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Hello I have a data frame and one of its columns is as follows: Col chr1:71310034 chr14:23354088 chr15:37759058 chr22:18262638 chrUn:31337214 chr10_random:4369261 chrUn:3545097 I would like to get rid of colon (:) and replace this column with two new columns containing the terms on each side of the colon. The new columns should look as follows: Col_a Col_b chr1

R-help, Sorry for this question (I guess it has been addressed before but I could not find it in the archives) but how can I see a function code when the following comes up: > svymean function (x, design, na.rm = FALSE, ...) { .svycheck(design) UseMethod("svymean", design) } <environment: namespace:survey> Thanks in advance

Hi, Given a test matrix, test <- matrix(c(1,2,3,NA,2,3,NA,NA,2), 3,3) A) How to compute the counts of each column (excluding the NA) i.e., 3, 2, 1 B) How to compute the counts of each column (excluding the NA) that are greater than the column means ? i.e., 1, 1, 0 I could write a for loop, but hope to use better alternative. [[alternative HTML version deleted]]

I have a very simple Samba 3.0.1 install without LDAP/ADS/winbind support compiled into it. I have noticed a strange problem with supplementary groups I noticed with Mac OS X (10.3.2). The SAMBA server is using 'ntdomain' authentication. When someone connects to the SAMBA server and gives their username in uppercase (the OS's default), then none of the secondary UNIX groups the