search for: noofday

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Did you mean: noofdays
2011 Jan 12
1
snowfall
...trading days myFinCenter="Asia/Singapore" getTimeToMaturity <- function(x){ tryCatch({ toDt <- as.Date(as.character(x['EXPIRY_DT']), "%Y-%m-%d") #Expiry Date fromDt <- as.Date(as.character(x['TIMESTAMP']), "%Y-%m-%d") #Trade Timestamp NoOfDays <- NROW(getTradingDates(toDt,fromDt)) return(NoOfDays/252) }, error = function (ex){ #print (paste("Error in",toDt,fromDt)) NoOfDays <- 0 return(NoOfDays/252) } ) } Question: The following two lines work but the third and parallel one doesn't ... why? 1) > app...
2010 Apr 12
1
N'th of month working day problem
...herever z.na does but has 1, 2, 3, ... >> # instead of z.na's data values and then use na.locf to fill in NAs >> >> idx<- na.locf(seq_along(z.na) + (0 * z.na)) >> >> # pick off elements of z.na corresponding to i'th of month >> >> noofday<- paste(day) >> >> if (day<10) noofday<-paste("0",day, sep="") >> >> tempdata<-z.na[idx[format(time(z.na), "%d") == noofday]] >> >> return(tempdata) >> >> } >> >> length(chooseday(D...
2011 May 10
1
Reading a large netCDF file using R
...I tried to get the variable values using this command > xx=get.var.ncdf(nc) Error: cannot allocate vector of size 2.1 Gb This file has six hourly data for the 199 x 99 points for 10 years. I wanted to aggregate this data into a monthly scale. I tried used a simple code like this for (i in 1:noofdays) { for (j in 0:3) { x= get.var.ncdf(nc,v1,start=c(1,1,(i+j)),count=c(199,99,1)) temp_data_mat=temp_data_mat+x } for (x1 in 1:199) { for (x2 in 1:99) { data_mat_89_99[x1,x2,ctr]=temp_data_mat[x1,x2] } } ctr=ctr+1 temp_data_mat=matrix(0,ncol=99,nrow=199) } I didnt think it worked...