VisualizationFunctions for data visualization. |
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A histogram |
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A density plot |
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A two dimensional scatterplot |
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A Tukey box-and-whisker plot |
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Make a scatterplot matrix |
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Make a interaction line plot |
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Descriptive statisticsFunctions for doing descriptive statistics. |
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Calculate descriptive statistics |
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Apply multiple descriptive functions to multiple variables |
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Descriptive statistics for variables with missing values |
Test for Correlation Between Paired Samples |
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Test for Correlation Between Paired Samples for 2 or More Variables |
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A pairs plot |
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Psychometric data analysisFunctions for use in psychometric data analysis |
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Recode specified values by new values |
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Calculate Cronbach's alpha for sets of psychometric scale items |
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Calculate the total scores from sets of scores |
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Data wranglingFunctions to help with general data wrangling |
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Remove an additional header row from a data frame |
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Rename selected columns as a sequence |
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Drop rows if all values on selected columns are missing |
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Format Numeric Columns to Fixed Digits |
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Statistical analysisFunctions for statistical analysis. |
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Independent samples t-test |
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Paired samples t-test |
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Pairwise t-test |
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Shapiro-Wilk normality test |
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Cohen's d and Hedges g effect size |
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Show the dummy code of a categorical variable |
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Analysis of variance |
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Data setsIncluded data sets. |
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Anthropometric data from US Army Personnel |
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Faithfulness from a Photo? |
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Visual versus Verbal Perception and Responses |
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Age of Onset of Schizophrenia Data |
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Paired sleep data |
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Job Satisfaction Data for Two-Way ANOVA |
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Self-Esteem Score Data for One-way Repeated Measures ANOVA |
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Self Esteem Score Data for Two-way Repeated Measures ANOVA |
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Self Esteem Score Data for Two-way Repeated Measures ANOVA: Long format |
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Psychometrics raw data from testing or demo purposes |