search for: sumbythirtyminute

Displaying 1 result from an estimated 1 matches for "sumbythirtyminute".

2006 Mar 07
3
Applying strptime() to a data set or array
I'm sure this is just the result of a basic misunderstanding of the syntax of R, but I am stumped. A <- read.table(file="sumByThirtyMinute.csv",sep=",",col.names=c("date","pandl")) A now consists of thousands of rows, but A$date is a string... ... 3183 2006-02-28 12:00:00 548.470 3184 2006-02-28 12:30:00 515.240 3185 2006-02-28 13:00:00 140.120 3186 2006-02-28 13:30:00 450.940 3187 2006-...