Displaying 4 results from an estimated 4 matches for "ppt2".
Did you mean:
ppt
2011 Apr 12
1
How to set the dimension of a matrix correctly?
...x=plon,y=plat)pdim <- dim(pgrid) # (10230,2)
#plot(pgrid, cex=0.5)
lat <- coords[,1] lon <- coords[,2]
ppt1 <- ppt[,1:xx[2]] # 1:528
pptpred <- matrix(0,ncol=xx[2],nrow=1)
############# Only test one period data##################
ptemp <- ppt1[,3] ll <- which(ptemp>0)
ppt2 <- matrix(0,nrow=length(ll),ncol=3) # (lon,lat,ptemp)
ppt2[,1] <- lat[ll] # y-axis ppt2[,2] <- lon[ll] # x-axis ppt2[,3] <- ptemp[ll] # ppt
pptd <- as.geodata(ppt2)
bin1 <- variog(pptd) # plot(bin1) # fig1
bin2 <- variog(pptd,estimator.type="modulus")#...
2011 Jul 27
2
for loop help
..... thanks-Cassie
### label data ###
stnid <- dat1[,1] #list of stations
lat <- dat1[,2] #latitude of station
lon <- dat1[,3] #longitude of station
year <- dat1[,4] # data year
month <- dat1[,5] #data month
ppt <- dat2 #precipiation data
#### station's missing zero years ###
ppt2 <- matrix(ppt[,which(stnid == '140365')],ncol=1)
year2 <- year[which(stnid == '140365')]
year2 <- year2[which(duplicated(year2) == FALSE)]
month2 <- month[which(stnid == '140365')]
ppt3 <- matrix(ppt[,which(stnid == '140405')],ncol=1)
year3 <- ye...
2010 Jan 05
3
R matching lat/lon pairs from two datasets?
...V2 V3
1 -123.76 47.82 8
2 -123.75 47.82 11
> data[1:2]
V1 V2
1 47.82 -123.76
2 47.82 -123.75
3 47.82 -123.74
4 47.82 -123.73
#Subset of current R code :
lat <- data$V1
lon <- data$V2
yrs <- c(1,2,5,10,25,50,100,200,500,1000)
lon2 <- data2$V1
lat2 <- data2$V2
ppt2 <- data2$V3
for(i in 1:length(lat2)) {
loc <- match(lat2[i],lat)
loc2 <- match(lon2[i], lon)
print(loc); print(loc2)
#Need to test to make sure loc equals loc2
freq_ppt <-
c(data[i,4],data[i,6],data[i,8],data[i,10],data[i,12],data[i,14],data[i,...
2008 Jun 26
3
using contour() with x,y,z data?
Hello list,
I'm new to R and I have a problem :-) Below is what my data file that looks
like. I tried to import and contour this data by doing this:
cv_data <- read.table("cv_data.csv",sep=",",header=TRUE)
attach(cv_data)
contour(x,y,z)
I get the error "Error in contour.default(x,y,z) : increasing 'x', and 'y'
values expected" I