R2ex Project Description
R2ex is a statistics add-in for Excel 2013. It helps students and data analysts to perform statistical tests without the need for expensive or complex software.

R2ex is a statistics add-in for Excel 2013. It helps students and data analysts to perform statistical tests without the need for expensive or complex software. Simply add your data to an Excel document, click the test you would like to perform, select the data and you get the result!

The following tests are supported:

• Confidence intervals
• T-test (paired, independent, one-sided, two-sided, single population for the mean)
• F-test for equal variance
• Chi-square test for indepenence
• Analysis of variance (ANOVA)
• Correlation coefficient
• Linear regression
• Wilcoxon rank-sum test
• Wilcoxon signed-rank test
• Kruskal-Wallis test
• Jarque-Bera test for normally distributed data
• Spearman rank correlation
• Forecasting with Simple- and Weighted Moving Average
• Forecasting with Exponential Smoothing
• Forecasting with Exponential Smoothing with Trend Adjustment

R2ex is free to use for both private and commercial purposes.