Re: [R] subset data based on values in multiple columns

: Tuesday, July 3, 2012 2:55 AM Subject: [R] subset data based on values in multiple columns Dear list members, I am trying to create a subset of a data frame based on conditions in two columns, and after spending much time trying (and search R-help) have not had any luck. Essentially, I h

Re: [R] subset data based on values in multiple columns

Hi > > Dear list members, > > I am trying to create a subset of a data frame based on conditions in two > columns, and after spending much time trying (and search R-help) have not > had any luck. Essentially, I have a data frame that is something like this: > > date<-as.POSIXct(as.characte

[R] subset data based on values in multiple columns

Dear list members, I am trying to create a subset of a data frame based on conditions in two columns, and after spending much time trying (and search R-help) have not had any luck. Essentially, I have a data frame that is something like this: date<-as.POSIXct(as.character(c("2012-01-25","2012-0