Re: [R] Blanking out specific cells in a data frame

2010-05-19 Thread Stefan Grosse
Am 19.05.2010 20:08, schrieb Sabatier, Jennifer F. (CDC/OID/NCHHSTP): I do know that you can't actually have unequal column lengths. The reality is I am creating a pretty table to export to EXCEL and it Now that I have Stefan's solution, which turns all the un-needed info into NAs I can use NAT

Re: [R] Blanking out specific cells in a data frame

2010-05-19 Thread Sabatier, Jennifer F. (CDC/OID/NCHHSTP)
ct: Re: [R] Blanking out specific cells in a data frame Hi Jen, You cannot have a dataframe with unequal column lengths, so you have two options (well maybe more, but two that come to mind): set the values to missing instead of deleting them, or store your data in a list instead of a data frame. Fo

Re: [R] Blanking out specific cells in a data frame

2010-05-19 Thread Sabatier, Jennifer F. (CDC/OID/NCHHSTP)
(CDC/OID/NCHHSTP) Subject: Re: [R] Blanking out specific cells in a data frame Am 19.05.2010 19:36, schrieb Sabatier, Jennifer F. (CDC/OID/NCHHSTP): > mydf<-data.frame(matrix(rnorm(102), ncol=6) > you mean something like: mydf[2:length(mydf[,1]),6]&l

Re: [R] Blanking out specific cells in a data frame

2010-05-19 Thread Ista Zahn
Hi Jen, You cannot have a dataframe with unequal column lengths, so you have two options (well maybe more, but two that come to mind): set the values to missing instead of deleting them, or store your data in a list instead of a data frame. For option 1 (recommended) all you need is mydf[-1, 6]

Re: [R] Blanking out specific cells in a data frame

2010-05-19 Thread Stefan Grosse
Am 19.05.2010 19:36, schrieb Sabatier, Jennifer F. (CDC/OID/NCHHSTP): mydf<-data.frame(matrix(rnorm(102), ncol=6) you mean something like: mydf[2:length(mydf[,1]),6]<-NA hth Stefan __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

[R] Blanking out specific cells in a data frame

2010-05-19 Thread Sabatier, Jennifer F. (CDC/OID/NCHHSTP)
Hi R-Help, I am a new R user. I have used SAS for many years (just FYI on what I am used to and possible obstacles it presents). I have a data frame: mydf <-data.frame(matrix(rnorm(102), ncol=6) I would like to be able to delete ALL the information in column 6 for rows 2 through r, where r=#ro