[R] how to do the test for a significant difference across group mean vectors

Hello there, how to do the test for a significant difference between two groups mean vectors or across several group means vectors? Thank you, Shengzhe __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read

Re: [R] how to do the test for a significant difference across group mean vectors

wu sz wrote: > Hello there, > > how to do the test for a significant difference between two groups > mean vectors or across several group means vectors? This is not an R question. You cannot test on mean differences without assumptions re. the variance. Please read a basic textbook on statisti