Dear Jun, Try this:
do.call(c,lapply(your_list_with_the_t_tests,function(x) x$p.value)) HTH, Jorge On Wed, Apr 15, 2009 at 4:29 PM, Jun Shen <jun.shen...@gmail.com> wrote: > Hi, > > I have run a groups of t test and obtained a list of the t-test results > (about 30). How do I extract p-values from the 30 t-test results and make a > table output? Thanks > > Jun > > Example t-test output: > ============================ > $Lambda_z > > Welch Two Sample t-test > > data: x[PA1.BS.DN$Onecode == 2] and x[PA1.BS.DN$Onecode == 3] > t = -0.1128, df = 33.635, p-value = 0.9109 > alternative hypothesis: true difference in means is not equal to 0 > 95 percent confidence interval: > -0.001918987 0.001717230 > sample estimates: > mean of x mean of y > 0.004893264 0.004994143 > ...... > > > -- > Jun Shen PhD > PK/PD Scientist > BioPharma Services > Millipore Corporation > 15 Research Park Dr. > St Charles, MO 63304 > Direct: 636-720-1589 > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
