ttApp {grapesAgri1}

t-test and Paired t-test

Description

ttApp() function opens up an interactive shiny app which will allow user to easily perform one sample t-test, unpaired two sample t-test, unpaired two sample Welch t-test, paired t-test, test for homogeneity of variance (F-test), and obtain plots like boxplot and paired plot by uploading CSV file.

Usage

ttApp()

Details

This app uses t.test function to calculate t statistic.Descriptive statistics were calculated using stat.desc function of pastecs package. var.test function is used for F-test.ggboxplot function of ggpubr package is used to draw boxplot. Paired plot is obtained using paired function of package PairedData.

Value

Nothing

References

R Core Team (2021). R: A Language and Environment for Statistical Computing. https://www.R-project.org/.

Chang W, Cheng J, Allaire JJ, Sievert C, Schloerke B, Xie Y, Allen J, McPherson J, Dipert A, Borges B (2021). shiny: Web Application Framework for R. R package version 1.6.0, https://CRAN.R-project.org/package=shiny.

Perrier V, Meyer F, Granjon D (2021). shinyWidgets: Custom Inputs Widgets for Shiny. R package version 0.6.0, https://CRAN.R-project.org/package=shinyWidgets.

Wickham H, François R, Henry L, Müller K (2021). dplyr: A Grammar of Data Manipulation. R package version 1.0.4, https://CRAN.R-project.org/package=dplyr.

Kassambara A (2020). ggpubr: 'ggplot2' Based Publication Ready Plots. R package version 0.4.0, https://CRAN.R-project.org/package=ggpubr.

Grosjean P, Ibanez F (2018). pastecs: Package for Analysis of Space-Time Ecological Series. R package version 1.3.21, https://CRAN.R-project.org/package=pastecs.

Gupta SP (1985). Statistical methods. Sultan Chand \& Sons. https://books.google.co.in/books?id=4n9dcgAACAAJ.

Champely S (2018). PairedData: Paired Data Analysis. R package version 1.1.1, https://CRAN.R-project.org/package=PairedData.

Examples

if (interactive()) {
  ttApp()
}