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Dear all, I am dealing with the reading of a *.txt file. The txt file the following shape: 103001930 103001580 103001530 1998-10-01 00:00:00 0.6 0 0 1998-10-01 01:00:00 0.2 0...
Dear all, I have a set of data with has hourly value: # ID # Lo # L # Q Time, T, RH,PSFC,DIR,VEL10, PREC, RAD, CC,FOG yyyy-mm-dd hh:mm, ?C, %, hPa, ?N, m/s, mm/h,W/m...
Dear Jeff, Dear Rui, Dear all, Forget about the monthly things. I was trying to do two things at the same time. I try to explain myself. Thanks for your time and I really appreciate your help. I have a...
Dear Jeff, Dear Rui, Dear all, I will try Rui's solution as soon as possible. If I could ask: As a first step, I would like to follow Jeff's suggestion. I will represent the precipitation data with a...
Dear all, I have still problem with date. Could you please tel me how to use POSIXct. Indeed I have found this command: timeAverage, but I am not able to convert MyDate to properly date. Thank a lot I hope...
Dear Pikal, DEar all, I do not if it could help: if I print MyData%date, I get (at some point) [281] "1998-12-10 16:00:00 CET" "1998-12-10 17:00:00 CET" "1998-12-10 18...
Dear PIKAL, Dear all, thanks again a lot. I have finally understood what "in line" means. I would definitely read some "R-intro" and in this moment I am reading a R-tutorial. I would not post formatted messages. I...
Dear I have check the one of the line that gives me problem. I mean, which give NA after R processing. I think that is similar to the others: 10/12/1998 10:00,0,0,0 10/12/1998...
Dear Jim, Dear all, thanks a lot. Unfortunately, I get the following error: st1_daily<-by(MyData$st1,MyData$date,mean)Error in tapply(seq_len(0L), list(`MyData$date` = c(913L, 914L, 925L, : arguments must have same length This...
Dear Petr, I have read the file: MyData <- read.csv(file="obs_prec.csv",header=TRUE, sep=",") I have used POSIXct to convert properly the date MyData$date2<-as.POSIXct(MyData$date, format="%m/%d/%Y %H:%M") creating a...
Dear all, I have found and error in the date conversion. Now it looks like: MyData <- read.csv(file="obs_prec.csv",header=TRUE, sep=",") # change date to real MyData$date<-as.POSIXct(MyData$date, format="%*m*/%*d*/%Y %H...
Dear Pikal, Deal all, again really thank. it seems not working. Some specifications: My non data are -999, but I could change it. My final results is: 1 1 -55.86242 -55.84764660 -277.4775 2 2 -55.47554 -94...
Dear all, I am sorry, I did a lot of confusion. I am sorry, I have to relax and stat all again in order to understand. If I could I would like to start again, without mixing strategy and waiting...
Dear all, I have found the error, my fault. Sorry. There was an extra come in the headers line. Thanks again. If I can I would like to ask you another questions about the imported data. I would like to...
Dear all, I move to csv file because originally the date where in csv file. In addition, due to the fact that, as you told me, read.csv is a special case of read.table, I prefer start to learn...
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