Transcription of One-way ANOVA
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One-way ANOVA
One-way ANOVA We are often interested in determining whether the means from more than two populations or groups are equal or not. To test whether the difference in means is statistically significant we can perform analysis of variance ( ANOVA ) using the R function aov(). If the ANOVA F-test shows there is a significant difference in means between the groups we may want to perform multiple comparisons between all pair-wise means to determine how they differ. A. Analysis of Variance The first step in our analysis is to graphically compare the means of the variable of interest across groups. It is possible to create side-by-side boxplots of measurements organized in groups using the function plot().
One-way ANOVA We are often interested in determining whether the means from more than two populations or groups are equal or not. To test whether the difference in means
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