[R-sig-Geo] questions on spatial interpolation exercise(NL)

Edzer Pebesma edzer.pebesma at uni-muenster.de
Mon Nov 24 09:41:56 CET 2014


Mengxi, please provide a minimal script that reproduces your error.

On 11/23/2014 11:51 PM, Mengxi Yang wrote:
> Dear list,
> I have a question on write.table. I found an nice exercise on spatial
> interpolation from
> http://spatial-analyst.net/wiki/index.php?title=Spatial_interpolation_exercises_(NL)#Spatial_prediction_of_daily_precipitation_in_the_Netherlands
> 
> In this exercise, the date is 200906. but when I change to 201310. there is
> a wrong message like:
> 
>> tmp <- readLines(paste(getwd(), "/", "monv_201310.txt", sep=""))
>> tmp <- gsub(pattern=' . ', replacement=' 0.0 ', tmp, fixed = TRUE)
>> tmp <- gsub(pattern='[[:space:]]{2,7}', replacement=',', tmp)
>> write.table(t(matrix(unlist(strsplit(tmp, ",")[-c(1:8)]), nrow=41)),
> "tmp.txt", col.names=FALSE, row.names=FALSE)
> Warning message:
> In matrix(unlist(strsplit(tmp, ",")[-c(1:8)]), nrow = 41) :
>   data length [13625] is not a sub-multiple or multiple of the number of
> rows [41]
> 
> 
> I checked several month, some success but some not.
> Does anyone know what is the wrong with it? should I change something?
> 
> Thank you very much.
> 
> Mengxi Yang
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Edzer Pebesma,  Co-Editor-in-Chief Computers & Geosciences
Institute for Geoinformatics (ifgi), University of Münster
Heisenbergstraße 2, 48149 Münster, Germany. Phone: +49 251
83 33081 http://ifgi.uni-muenster.de GPG key ID 0xAC227795

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