[10709] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14185] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[10709] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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[10905] | 23 | using System.Collections.Generic;
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[10709] | 24 | using System.Drawing;
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[12676] | 25 | using System.Globalization;
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| 26 | using System.Linq;
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| 27 | using System.Text;
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[10709] | 28 | using System.Windows.Forms;
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| 29 | using HeuristicLab.Core.Views;
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| 30 | using HeuristicLab.MainForm;
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| 31 |
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| 32 | namespace HeuristicLab.DataPreprocessing.Views {
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| 33 | [View("Manipulation Chart View")]
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[10712] | 34 | [Content(typeof(ManipulationContent), true)]
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[10709] | 35 | public partial class ManipulationView : ItemView {
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| 36 | private Action[] validators;
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| 37 | private Action[] manipulations;
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| 38 |
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[15110] | 39 | public new ManipulationContent Content {
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| 40 | get { return (ManipulationContent)base.Content; }
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| 41 | set { base.Content = value; }
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| 42 | }
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| 43 |
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[10709] | 44 | public ManipulationView() {
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| 45 | InitializeComponent();
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[10776] | 46 | cmbReplaceWith.SelectedIndex = 0;
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[10709] | 47 | tabsData.Appearance = TabAppearance.FlatButtons;
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| 48 | tabsData.ItemSize = new Size(0, 1);
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| 49 | tabsData.SizeMode = TabSizeMode.Fixed;
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| 50 | tabsPreview.Appearance = TabAppearance.FlatButtons;
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| 51 | tabsPreview.ItemSize = new Size(0, 1);
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| 52 | tabsPreview.SizeMode = TabSizeMode.Fixed;
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| 53 |
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[15110] | 54 | validators = new Action[] {
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| 55 | () => ValidateDeleteColumnsInfo(),
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| 56 | () => ValidateDeleteColumnsVariance(),
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| 57 | () => ValidateDeleteRowsInfo(),
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| 58 | () => ValidateReplaceWith(),
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| 59 | () => ValidateShuffle()
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[10709] | 60 | };
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[10737] | 61 |
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[15110] | 62 | manipulations = new Action[] {
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| 63 | () => Content.ManipulationLogic.DeleteColumnsWithMissingValuesGreater(GetDeleteColumnsInfo()),
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| 64 | () => Content.ManipulationLogic.DeleteColumnsWithVarianceSmaller(GetDeleteColumnsVariance()),
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| 65 | () => Content.ManipulationLogic.DeleteRowsWithMissingValuesGreater(GetRowsColumnsInfo()),
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| 66 | () => ReplaceMissingValues(),
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| 67 | () => Content.ManipulationLogic.Shuffle(shuffleSeparatelyCheckbox.Checked)
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[10709] | 68 | };
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| 69 | }
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| 70 |
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[10905] | 71 | protected override void OnContentChanged() {
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| 72 | base.OnContentChanged();
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| 73 | if (Content != null) {
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| 74 | cmbVariableNames.Items.Clear();
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[11002] | 75 | foreach (var name in Content.ManipulationLogic.VariableNames) {
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[10905] | 76 | cmbVariableNames.Items.Add(name);
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| 77 | }
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| 78 | cmbVariableNames.SelectedIndex = 0;
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[10977] | 79 | CheckFilters();
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[10905] | 80 | }
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| 81 | }
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| 82 |
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[10737] | 83 | protected override void RegisterContentEvents() {
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| 84 | base.RegisterContentEvents();
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[10970] | 85 | Content.FilterLogic.FilterChanged += FilterLogic_FilterChanged;
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[10737] | 86 | }
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| 87 |
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| 88 | protected override void DeregisterContentEvents() {
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[11070] | 89 | Content.FilterLogic.FilterChanged -= FilterLogic_FilterChanged;
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[10737] | 90 | base.DeregisterContentEvents();
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| 91 | }
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| 92 |
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[10970] | 93 | private void FilterLogic_FilterChanged(object sender, EventArgs e) {
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| 94 | if (Content != null) {
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[10977] | 95 | CheckFilters();
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[10970] | 96 | }
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| 97 | }
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| 98 |
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[10977] | 99 | private void CheckFilters() {
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[10970] | 100 | if (Content.FilterLogic.IsFiltered) {
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| 101 | tabsPreview.SelectedIndex = 0;
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| 102 | lstMethods.Enabled = false;
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| 103 | tabsData.Enabled = false;
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| 104 | tabsPreview.Enabled = false;
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| 105 | lblPreviewInActive.Visible = true;
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| 106 | btnApply.Enabled = false;
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| 107 | } else {
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| 108 | lblPreviewInActive.Visible = false;
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| 109 | tabsData.Enabled = true;
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| 110 | tabsPreview.Enabled = true;
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| 111 | lstMethods.Enabled = true;
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| 112 | lstMethods_SelectedIndexChanged(null, null);
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| 113 | }
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| 114 | }
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| 115 |
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[15110] | 116 | private double GetDeleteColumnsInfo() {
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[10737] | 117 | return double.Parse(txtDeleteColumnsInfo.Text);
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| 118 | }
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| 119 |
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[15110] | 120 | private double GetDeleteColumnsVariance() {
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[10737] | 121 | return double.Parse(txtDeleteColumnsVariance.Text);
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| 122 | }
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| 123 |
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[15110] | 124 | private double GetRowsColumnsInfo() {
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[10737] | 125 | return double.Parse(txtDeleteRowsInfo.Text);
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| 126 | }
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| 127 |
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[15110] | 128 | private void ReplaceMissingValues() {
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[15269] | 129 | var missingValuesIndices = new List<int>();
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[10905] | 130 | var columnIndex = cmbVariableNames.SelectedIndex;
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[15269] | 131 | var columnIndices = new Dictionary<int, IList<int>> { { columnIndex, missingValuesIndices } };
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[10905] | 132 |
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[15269] | 133 | for (int rowIndex = 0; rowIndex < Content.ManipulationLogic.PreProcessingData.Rows; rowIndex++)
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| 134 | if (Content.ManipulationLogic.PreProcessingData.IsCellEmpty(columnIndex, rowIndex))
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| 135 | missingValuesIndices.Add(rowIndex);
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| 136 |
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[10905] | 137 | switch (cmbReplaceWith.SelectedIndex) {
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[10776] | 138 | case 0: //Value
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[10905] | 139 | Content.ManipulationLogic.ReplaceIndicesByValue(columnIndices, txtReplaceValue.Text);
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[10776] | 140 | break;
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| 141 | case 1: //Average
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[10905] | 142 | Content.ManipulationLogic.ReplaceIndicesByAverageValue(columnIndices);
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[10776] | 143 | break;
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| 144 | case 2: //Median
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[10905] | 145 | Content.ManipulationLogic.ReplaceIndicesByMedianValue(columnIndices);
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[10776] | 146 | break;
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| 147 | case 3: //Most Common
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[10905] | 148 | Content.ManipulationLogic.ReplaceIndicesByMostCommonValue(columnIndices);
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[10776] | 149 | break;
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| 150 | case 4: //Random
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[10905] | 151 | Content.ManipulationLogic.ReplaceIndicesByRandomValue(columnIndices);
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[10776] | 152 | break;
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| 153 | }
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| 154 | }
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| 155 |
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[15110] | 156 | private void ValidateDeleteColumnsInfo() {
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| 157 | ValidateDoubleTextBox(txtDeleteColumnsInfo.Text);
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[10737] | 158 | if (btnApply.Enabled) {
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[15110] | 159 | var filteredColumns = Content.ManipulationLogic.ColumnsWithMissingValuesGreater(GetDeleteColumnsInfo());
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[12676] | 160 | int count = filteredColumns.Count;
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| 161 | int columnCount = Content.FilterLogic.PreprocessingData.Columns;
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[13796] | 162 | lblPreviewColumnsInfo.Text = string.Format("{0} column{1} of {2} ({3}) were detected with more than {4}% missing values.", count, (count > 1 || count == 0 ? "s" : ""), columnCount, string.Format("{0:F2}%", 100d / columnCount * count), txtDeleteColumnsInfo.Text);
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| 163 |
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| 164 | //only display column names more than 0 and fewer than 50 are affected
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| 165 | if (count > 0 && count < 50) {
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[12676] | 166 | StringBuilder sb = new StringBuilder();
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| 167 | sb.Append(Environment.NewLine);
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| 168 | sb.Append("Columns: ");
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[15269] | 169 | sb.Append(Content.ManipulationLogic.VariableNames.ElementAt(filteredColumns.ElementAt(0)));
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[12676] | 170 | for (int i = 1; i < filteredColumns.Count; i++) {
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[15269] | 171 | string columnName = Content.ManipulationLogic.VariableNames.ElementAt(filteredColumns.ElementAt(i));
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[12676] | 172 | sb.Append(", ");
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| 173 | sb.Append(columnName);
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| 174 | }
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| 175 | sb.Append(Environment.NewLine);
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| 176 | sb.Append("Please press the button \"Apply Manipulation\" if you wish to delete those columns.");
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| 177 |
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| 178 | lblPreviewColumnsInfo.Text += sb.ToString();
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[10737] | 179 | }
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[13796] | 180 |
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| 181 | btnApply.Enabled = count > 0;
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[10737] | 182 | } else {
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| 183 | lblPreviewColumnsInfo.Text = "Preview not possible yet - please input the limit above.";
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| 184 | }
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| 185 | }
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| 186 |
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[15110] | 187 | private void ValidateDeleteColumnsVariance() {
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| 188 | ValidateDoubleTextBox(txtDeleteColumnsVariance.Text);
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[10737] | 189 | if (btnApply.Enabled) {
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[15110] | 190 | var filteredColumns = Content.ManipulationLogic.ColumnsWithVarianceSmaller(GetDeleteColumnsVariance());
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[12676] | 191 | int count = filteredColumns.Count;
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| 192 | int columnCount = Content.FilterLogic.PreprocessingData.Columns;
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[13796] | 193 | lblPreviewColumnsVariance.Text = string.Format("{0} column{1} of {2} ({3}) were detected with a variance smaller than {4}.", count, (count > 1 || count == 0 ? "s" : ""), columnCount, string.Format("{0:F2}%", 100d / columnCount * count), txtDeleteColumnsVariance.Text);
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| 194 |
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| 195 | //only display column names more than 0 and fewer than 50 are affected
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| 196 | if (count > 0 && count < 50) {
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[12676] | 197 | StringBuilder sb = new StringBuilder();
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| 198 | sb.Append(Environment.NewLine);
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| 199 | sb.Append("Columns: ");
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[15269] | 200 | sb.Append(Content.ManipulationLogic.VariableNames.ElementAt(filteredColumns.ElementAt(0)));
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[12676] | 201 | for (int i = 1; i < filteredColumns.Count; i++) {
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[15269] | 202 | string columnName = Content.ManipulationLogic.VariableNames.ElementAt(filteredColumns.ElementAt(i));
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[12676] | 203 | sb.Append(", ");
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| 204 | sb.Append(columnName);
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| 205 | }
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| 206 | sb.Append(Environment.NewLine);
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| 207 | sb.Append("Please press the button \"Apply Manipulation\" if you wish to delete those columns.");
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| 208 |
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| 209 | lblPreviewColumnsVariance.Text += sb.ToString();
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[10737] | 210 | }
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[13796] | 211 |
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| 212 | btnApply.Enabled = count > 0;
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[10737] | 213 | } else {
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| 214 | lblPreviewColumnsVariance.Text = "Preview not possible yet - please input the limit for the variance above.";
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| 215 | }
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| 216 | }
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| 217 |
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[15110] | 218 | private void ValidateDeleteRowsInfo() {
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| 219 | ValidateDoubleTextBox(txtDeleteRowsInfo.Text);
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[10737] | 220 | if (btnApply.Enabled) {
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[15110] | 221 | int count = Content.ManipulationLogic.RowsWithMissingValuesGreater(GetRowsColumnsInfo()).Count;
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[11045] | 222 | int rowCount = Content.FilterLogic.PreprocessingData.Rows;
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| 223 | lblPreviewRowsInfo.Text = count + " row" + (count > 1 || count == 0 ? "s" : "") + " of " + rowCount + " (" + string.Format("{0:F2}%", 100d / rowCount * count) + ") were detected with more than " + txtDeleteRowsInfo.Text + "% missing values.";
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[10737] | 224 | if (count > 0) {
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| 225 | lblPreviewRowsInfo.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to delete those rows.";
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| 226 | } else {
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| 227 | btnApply.Enabled = false;
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| 228 | }
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| 229 | } else {
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| 230 | lblPreviewRowsInfo.Text = "Preview not possible yet - please input the limit above.";
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| 231 | }
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| 232 | }
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| 233 |
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[15110] | 234 | private void ValidateReplaceWith() {
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[10776] | 235 | btnApply.Enabled = false;
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[10905] | 236 | string replaceWith = (string)cmbReplaceWith.SelectedItem;
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| 237 | int columnIndex = cmbVariableNames.SelectedIndex;
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| 238 |
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[10776] | 239 | if (cmbReplaceWith.SelectedIndex == 0) {
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[10905] | 240 | string errorMessage;
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| 241 | string replaceValue = txtReplaceValue.Text;
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| 242 | if (string.IsNullOrEmpty(replaceValue)) {
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| 243 | lblPreviewReplaceMissingValues.Text = "Preview not possible yet - please input the text which will be used as replacement.";
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[11002] | 244 | } else if (!Content.ManipulationLogic.PreProcessingData.Validate(txtReplaceValue.Text, out errorMessage, columnIndex)) {
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[10905] | 245 | lblPreviewReplaceMissingValues.Text = "Preview not possible yet - " + errorMessage;
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| 246 | } else {
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| 247 | btnApply.Enabled = true;
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| 248 | }
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| 249 | replaceWith = "\"" + replaceValue + "\"";
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[10776] | 250 | } else {
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| 251 | btnApply.Enabled = true;
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| 252 | }
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| 253 | if (btnApply.Enabled) {
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[15269] | 254 | int count = 0;
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| 255 | for (int rowIndex = 0; rowIndex < Content.ManipulationLogic.PreProcessingData.Rows; rowIndex++)
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| 256 | if (Content.ManipulationLogic.PreProcessingData.IsCellEmpty(columnIndex, rowIndex)) count++;
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| 257 |
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[11070] | 258 | int cellCount = Content.FilterLogic.PreprocessingData.Rows * Content.FilterLogic.PreprocessingData.Columns;
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[10905] | 259 | lblPreviewReplaceMissingValues.Text = count + " cell" + (count > 1 || count == 0 ? "s" : "")
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[11045] | 260 | + " of " + cellCount + " (" + string.Format("{0:F2}%", 100d / cellCount * count) + ") were detected with missing values which would be replaced with " + replaceWith;
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[10776] | 261 | if (count > 0) {
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| 262 | lblPreviewReplaceMissingValues.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to perform the replacement.";
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| 263 | } else {
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| 264 | btnApply.Enabled = false;
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| 265 | }
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| 266 | }
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| 267 | }
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| 268 |
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[15110] | 269 | private void ValidateShuffle() {
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[11381] | 270 | btnApply.Enabled = true;
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| 271 | lblShuffleProperties.Enabled = false;
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| 272 | lblShuffleProperties.Visible = false;
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| 273 | shuffleSeparatelyCheckbox.Enabled = true;
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| 274 | shuffleSeparatelyCheckbox.Visible = true;
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| 275 | }
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| 276 |
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[10709] | 277 | private void lstMethods_SelectedIndexChanged(object sender, System.EventArgs e) {
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| 278 | int index = lstMethods.SelectedIndex;
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| 279 | tabsData.SelectedIndex = index + 1;
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| 280 | tabsPreview.SelectedIndex = index + 1;
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| 281 | btnApply.Enabled = false;
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| 282 |
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[10737] | 283 | //in order that button is enabled if necessary input was already entered
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[10710] | 284 | if (index >= 0) {
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| 285 | validators[index]();
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| 286 | }
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[10709] | 287 | }
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| 288 |
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| 289 | private void btnApply_Click(object sender, System.EventArgs e) {
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| 290 | manipulations[lstMethods.SelectedIndex]();
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[10737] | 291 | switch (lstMethods.SelectedIndex) {
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| 292 | case 0:
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| 293 | lblPreviewColumnsInfo.Text = "columns successfully deleted.";
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| 294 | break;
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| 295 | case 1:
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| 296 | lblPreviewColumnsVariance.Text = "columns successfully deleted.";
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| 297 | break;
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| 298 | case 2:
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| 299 | lblPreviewRowsInfo.Text = "rows successfully deleted.";
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| 300 | break;
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| 301 | case 3:
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[10905] | 302 | lblPreviewReplaceMissingValues.Text = "missing values successfully replaced.";
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| 303 | btnApply.Enabled = false;
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| 304 | break;
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| 305 | case 4:
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[10737] | 306 | lblPreviewShuffle.Text = "dataset shuffled successfully.";
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| 307 | btnApply.Enabled = false;
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| 308 | break;
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| 309 | }
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[10709] | 310 | }
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| 311 |
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[15110] | 312 | private void ValidateDoubleTextBox(String text) {
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[10709] | 313 | btnApply.Enabled = false;
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| 314 | if (!string.IsNullOrEmpty(text)) {
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| 315 | double percent;
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[12676] | 316 | if (Double.TryParse(text, NumberStyles.Number ^ NumberStyles.AllowThousands, CultureInfo.CurrentCulture, out percent)) {
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[10709] | 317 | btnApply.Enabled = true;
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| 318 | }
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| 319 | }
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| 320 | }
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| 321 |
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| 322 | private void txtDeleteColumnsInfo_TextChanged(object sender, EventArgs e) {
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[15110] | 323 | ValidateDeleteColumnsInfo();
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[10709] | 324 | }
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| 325 |
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| 326 | private void txtDeleteColumnsVariance_TextChanged(object sender, EventArgs e) {
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[15110] | 327 | ValidateDeleteColumnsVariance();
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[10709] | 328 | }
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| 329 |
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| 330 | private void txtDeleteRowsInfo_TextChanged(object sender, EventArgs e) {
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[15110] | 331 | ValidateDeleteRowsInfo();
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[10709] | 332 | }
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[10737] | 333 |
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[10776] | 334 | private void cmbReplaceWith_SelectedIndexChanged(object sender, EventArgs e) {
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| 335 | bool isReplaceWithValueSelected = cmbReplaceWith.SelectedIndex == 0;
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| 336 | lblValueColon.Visible = isReplaceWithValueSelected;
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| 337 | txtReplaceValue.Visible = isReplaceWithValueSelected;
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[15110] | 338 | ValidateReplaceWith();
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[10776] | 339 | }
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| 340 |
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| 341 | private void txtReplaceValue_TextChanged(object sender, EventArgs e) {
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[15110] | 342 | ValidateReplaceWith();
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[10776] | 343 | }
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[10709] | 344 | }
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| 345 | }
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