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#<plfitAuto: Xmin, alpha, & Ntail per sample>
plfitAuto<- function(x){
nomiss <- function(x) { x[ !is.na(x) ] }
#source('plfit.r')
plfit_results<-matrix(,nrow=length(x),ncol=4)
plfit_results<-data.frame(plfit_results)
pb <- utils::txtProgressBar(min = 0, max = length(x), style = 3)
print("<<Xmin, alpha, and Ntail per sample initiated>>")
for (i in 1:length(x)) {
tryCatch(
plfit_results[i,1:3] <- plfit(nomiss(x[[i]])[nomiss(x[[i]])>0]),
error=function(e) { print(paste("Sample",i,": Problem with calculating Xmin, alpha, and Ntail")) }
)
utils::setTxtProgressBar(pb, i)
print(paste("Xmin, alpha, and Ntail:","Sample",i,"completed on",Sys.time() ))
}
NtailSize<- function(x){
if(x<50) {
out <- matrix('Ntail<50: Small sample size may bias results',nrow=1,ncol=1) }
else{ out<- matrix('Ntail>=50',nrow=1,ncol=1) }
}
for (i in 1:length(x)) {
tryCatch(
plfit_results[i,4] <- NtailSize(plfit(nomiss(x[[i]])[nomiss(x[[i]])>0])$Ntail),
error=function(e) { print(paste("Sample",i,": Problem with Ntail")) }
)
}
close(pb)
colnames(plfit_results) <- c("Xmin","alpha","Ntail","Note.on.Ntail")
return(plfit_results)
}
#if( plfit_results[i,3]<50 ) {
# plfit_results[i,4] <- matrix('Ntail<50: Small sample size may bias results',nrow=1,ncol=1) }
#else{ plfit_results[i,4] <- matrix('Ntail>=50',nrow=1,ncol=1) }
#print(paste... from: http://www.win-vector.com/blog/2012/10/error-handling-in-r/
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