rbind: number of columns of result is not a multiple of vector length (arg 1)
it works perfectly!!!! thank you for your help.... what if i want to seperate each stations data and save in a .csv file?? while i'm asking you these i'm also finding some ways to do so.. thank you again.
jholtman wrote:
try using: data.info <- rbind(data.info, cbind(station.id, year, date, max.discharge)) On Tue, Feb 17, 2009 at 9:26 PM, CJ Rubio <cjrubio at kongju.ac.kr> wrote:
i have the following constructed and running very well,, thanks to Gabor Grothendieck for his help.
data.info <- c("station.id", "year", "date", "max.discharge")
for(i in 1:num.files) {
+ station.id <- substring(data[i], 1,8)
+ DF <- read.table(data[i], sep=",", blank.lines.skip = TRUE)
+ z <- zoo(DF[,4], as.Date(as.character(DF[,3]), "%m/%d/%Y"))
+ f <- function(x) time(x) [which.max(x)]
+ ix <- tapply(z, floor(as.yearmon(time(z))),f)
+ year <- (1988:2005)
+ date <- time(z[ix])
+ max.discharge <- coredata(z[ix])
+ data.info <- rbind(data.info, c(station.id, year, date, max.discharge))
+ }
my problem with my code occurs in the part where I arrange my results..
after running this code, i get this warning:
Warning message:
In rbind(data.info, c(station.id, year, date, max.discharge)) :
number of columns of result is not a multiple of vector length (arg 1)
i can't figure out what to do to produce the result i wanted:
(for each station, it should look like this:)
data.info "station.id" "year" "date" "max.discharge"
"01014000" 1988 "1988-11-07" 4360
"01014000" 1989 "1989-05-13" 20000
"01014000" 1990 "1990-10-25" 9170
"01014000" 1991 "1991-04-22" 12200
"01014000" 1992 "1992-03-29" 11800
....
"01014000" 2005 "2005-04-04" 22100
thanks in advence for your help..
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