[R] about time

How to use R to modify the time when the file is created, and the time when the file is modified ? Thanks! My best. __ 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.o

[R] how to copy files from one direction to another?

There's 10 files in c:\\ I wanna copy 3 of them to d:\\ How to do it via R? Thanks! __ 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 p

[R] how the break is calculated by R?

Hi all: As to hist,the help file says:" R's default with equi-spaced breaks (also the default) is to plot the counts in the cells defined by breaks." I wanna know how the break is calculated by R? In other words: break = (max - min)/(number of group) but how the "number of group" is calculate

[R] how to export ".xls" file with colorful cells?

Hi all: I wanna know how to expoort ".xls" file. And in the exported ".xls" file, how to set different cells with different color? Thanks a lot! My best. -- *** Xin Meng Capitalbio Corporation National Engineering Research

[R] about "normalized y" via covariance analysis

Hello sir: Here's a question on covariance analysis which needs your help. There're 3 experiments,and x refers to control while y refers to experimental result. The purpose is to compare the "y" values across the 3 experiments. experiment_1: x:0.1 0.2 0.3 0.4 0.5 y:0.5 0.6 0.6 0.7 0.9