... of two groups under the assumption that both samples are random, independent, ... by the ggplot2 package for the one and two-sample independent t-tests. ... <看更多>
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... of two groups under the assumption that both samples are random, independent, ... by the ggplot2 package for the one and two-sample independent t-tests. ... <看更多>
The two-sample t-test does assume equal variances in the two groups. There is a slight modification called the Welch t-test that accounts for unequal variances. ... <看更多>
TL;DR. t_test_result = t.test(DataframeA$Column1, DataframeB$Column2, paired=TRUE). Explanation. If the data is paired, I assume that both ... ... <看更多>