Re: [R] multiple t-test with different species and treatments

2020-12-15 Thread Jeff Newmiller
Dear Lingling Wen: Bert has forwarded your message to the list because one person cannot usually answer every question... so many heads are better than one. However, you seem to have neglected his other advice about providing a complete example including data. Further, you are using several spe

Re: [R] multiple t-test with different species and treatments

2020-12-15 Thread Bert Gunter
Unless there is good reason not to, always cc r-help, which I have done here. Bert Gunter On Tue, Dec 15, 2020 at 1:16 AM Lingling Wen wrote: > Dear Bert Gunter, > Good day, > Thank you for your comments about the posting policy. I am sorry for > bothering you with the text against the postin

Re: [R] multiple t-test with different species and treatments

2020-12-13 Thread Bert Gunter
1. Please read and follow the posting guide linked below. 2. No html -- this is a plain text list. 3. Use ?dput to provide us your data so that we don't have to convert it for you. 4. We expect you to first make an effort to do your own coding. See ?t.test, which you could also have found yourself

[R] multiple t-test with different species and treatments

2020-12-13 Thread Lingling Wen
Dear R users, I would like to ask for help with the code of multiple t-test. I have a dataset as followed: Species Treatment var1 var2 var2 var4 var5 var6 Blue D 0.022620093 0.125079631 0.04522571 0.010105835 0.013418019 1.455646741 Blue D 0.02117295 0.073544277 0.0311234 0.008742305 0.03261776 0.9