[R] Return Misalignment in Return.portfolio function in PerformanceAnalytics Package

Dear R users, I am trying to calculate NAV of portfolio using Return.portfolio function in PerformanceAnalytics Package. I am having difficulties with how I should specify weight in the function. I tried to replicate using fixed weights with rebalance_on = "months" by specifying weights expl

[R] R Premanently Occupy Server Memory

can clear the occupied memory without restarting. Best Regards, Suphajak Ngamlak __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and

[R] Weight in Function RM

Sub3") Weight <- c(0.1,0.4,0.3,0.2) Result<- lm(formula = MatY~IndSub1+IndSub2+IndSub3-1, data = Data, weight = Weight) summary(Result) Data2 <- Data*Weight Result2<- lm(formula = MatY~IndSub1+IndSub2+IndSub3-1, data = Data2) summary(Result2) Best Regards, Suphajak Ngaml

[R] Execute SQL Stored Procedure in R

) However, it returned blank. Best Regards, Suphajak Ngamlak Equity and Derivatives Trading Phatra Securities Public Company Limited Tel: (66)2-305-9179 Email: supha...@phatrasecurities.com [[alternative HTML version deleted]] __ R-help@r-p

[R] Calculate Mean from List

. How could I get this efficiently? Thank you Best Regards, Suphajak Ngamlak Equity and Derivatives Trading Phatra Securities Public Company Limited Tel: (66)2-305-9179 Email: supha...@phatrasecurities.com [[alternative HTML version deleted

[R] Get File Names in Folder, Read Files, Update, and Write

t; write.table(Table, file= Export, sep = ",", col.names = TRUE) Thank you Best Regards, Suphajak Ngamlak Equity and Derivatives Trading Phatra Securities Public Company Limited Tel: +662-305-9179 Email: supha...@phatrasecurities.com [[alternative HTML version deleted]]

[R] SQLDF from Variable Matrix

') #Create function (This one does not work) GetAvg<-function(Input,Bygroup){ AVG<-fn$sqldf("select A, avg(B) as Average, median(B) as Median from $Input group by $Bygroup") return(AVG) } Result<-GetAvg(Test,'A') The only difference is with $Inp

[R] Apply function to two variables

ectors are large so I would like to avoid loop as much as possible. Thank you Best Regards, Suphajak Ngamlak Equity and Derivatives Trading Phatra Securities Public Company Limited Tel: +662-305-9179 Email: supha...@phatrasecurities.com [[alternative HTML version d

[R] Sequence from 2 Vectors

4,3,4,5) Thank you Best Regards, Suphajak Ngamlak Equity and Derivatives Trading Phatra Securities Public Company Limited Tel: +662-305-9179 Email: supha...@phatrasecurities.com [[alternative HTML version deleted]] __ R-help@r-project.o