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Correlation matrix : A quick start guide to analyze, format and visualize a...
What is correlation matrix?Compute correlation matrix in RR functionsImport your data into RCompute correlation matrixCorrelation matrix with significance levels (p-value)A simple function to format...
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Elegant correlation table using xtable R package
IntroductionCorrelation matrix analysisLower and upper triangular part of a correlation matrixUse xtable R package to display nice correlation table in html formatCombine matrix of correlation...
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Correlation Analyses in R
Previously, we described the essentials of R programming and provided quick start guides for importing data into R. Additionally, we described how to compute descriptive or summary statistics using R...
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One-Sample Wilcoxon Signed Rank Test in R
What’s one-sample Wilcoxon signed rank test?Research questions and statistical hypothesesVisualize your data and compute one-sample Wilcoxon test in RInstall ggpubr R package for data visualizationR...
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One-Sample T-test in R
What is one-sample t-test?Research questions and statistical hypothesesFormula of one-sample t-testVisualize your data and compute one-sample t-test in RInstall ggpubr R package for data visualizationR...
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Unpaired Two-Samples T-test in R
What is unpaired two-samples t-test?Research questions and statistical hypothesesFormula of unpaired two-samples t-testVisualize your data and compute unpaired two-samples t-test in RInstall ggpubr R...
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Unpaired Two-Samples Wilcoxon Test in R
Visualize your data and compute Wilcoxon test in RR function to compute Wilcoxon testImport your data into RCheck your dataVisualize your data using box plotsCompute unpaired two-samples Wilcoxon...
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Paired Samples T-test in R
What is paired samples t-test?Research questions and statistical hypothesesFormula of paired samples t-testVisualize your data and compute paired t-test in RR function to compute paired t-testImport...
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Paired Samples Wilcoxon Test in R
Visualize your data and compute paired samples Wilcoxon test in RR functionImport your data into RCheck your dataVisualize your data using box plotsCompute paired-sample Wilcoxon testOnline...
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One-Way ANOVA Test in R
What is one-way ANOVA test?Assumptions of ANOVA testHow one-way ANOVA test works?Visualize your data and compute one-way ANOVA in RImport your data into RCheck your dataVisualize your dataCompute...
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Two-Way ANOVA Test in R
What is two-way ANOVA test?Two-way ANOVA test hypothesesAssumptions of two-way ANOVA testCompute two-way ANOVA test in R: balanced designsImport your data into RCheck your dataVisualize your...
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MANOVA Test in R: Multivariate Analysis of Variance
What is MANOVA test?Asumptions of MANOVAInterpretation of MANOVACompute MANOVA in RImport your data into RCheck your dataCompute MANOVA testSee alsoInfosWhat is MANOVA test? In the situation where...
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Kruskal-Wallis Test in R
What is Kruskal-Wallis test?Visualize your data and compute Kruskal-Wallis test in RImport your data into RCheck your dataVisualize the data using box plotsCompute Kruskal-Wallis testInterpretMultiple...
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Comparing Means in R
Previously, we described the essentials of R programming and provided quick start guides for importing data into R. Additionally, we described how to compute descriptive or summary statistics and...
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Correlation matrix : An R function to do all you need
PrerequisitesExample of dataComputing the correlation matrixUpper triangle of the correlation matrixFull correlation matrixChange the colors of the correlogramDraw a heatmapFormat the correlation...
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F-Test: Compare Two Variances in R
What is F-test?When to you use F-test?Research questions and statistical hypothesesFormula of F-testCompute F-test in RR functionImport and check your data into RPreleminary test to check F-test...
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Compare Multiple Sample Variances in R
Statistical tests for comparing variancesStatistical hypothesesImport and check your data into RCompute Bartlett’s test in RCompute Levene’s test in RCompute Fligner-Killeen test in RInfosThis article...
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One-Proportion Z-Test in R
What is one-proportion Z-test?Research questions and statistical hypothesesFormula of the test statisticCompute one proportion z-test in RR functions: binom.test() & prop.test()Compute...
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