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Timestamp:
07/24/13 11:24:40 (11 years ago)
Author:
ascheibe
Message:

#2031 added a rich text box dialog for displaying formatted help texts

File:
1 edited

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  • branches/StatisticalTesting/HeuristicLab.Analysis.Statistics/3.3/StatisticalTestingView.resx

    r9353 r9742  
    188188    <value>17, 17</value>
    189189  </metadata>
    190   <data name="infoLabel.ToolTip" xml:space="preserve">
    191     <value>This view offers tools for statistical analysis.
    192 
    193 Check for normality of the data is done using the Jarque-Bera test.
    194 It requires a sample size of at least 5 samples.
    195 
    196 Statistical hypothesis testing between all groups is performed using the Kruskal-Wallis test.
    197 
    198 For pairwise comparision of the groups the Mann-Whitney U test is used.
    199 It also requires sample sizes of at least 5 samples.
    200 
    201 The p-values calculated by the statistical tests are interpreted as follows:
    202 The null hypothesis states that the groups which are compared have the same distribution.
    203 A p-value &lt; 0.05 (this value is often chosen as significance level)  means the null hypothesis is rejected,
    204 which therefore means that the distributions are not equal.
    205 
    206 For the pariwise statistical test, in addition to the p-value, Cohen's d and Hedges' g are calculated.
    207 According to Wikipedia, these values can be interpreted as follows: "A lower Cohen's d indicates a necessity of larger sample sizes, and vice versa."</value>
    208   </data>
    209190</root>
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