Hi, I could not open the file. Can you load the data into R and then use the dput function?
The first link deals with dput. The latter 2 links are for dealing with NAs in data. http://www.inside-r.org/r-doc/base/dput dput {base} http://r.789695.n4.nabble.com/subset-without-removing-NAs-td3482011.html R help - subset without removing NAs http://stackoverflow.com/questions/2613420/handling-missing-incomplete-d ata-in-r-is-there-function-to-mask-but-not-remove Handling missing/incomplete data in R--is there function to mask but not remove NAs? - Stack Overflow Thank you. Irucka <-----Original Message-----> >From: elvina [via R] [ml-node+s789695n4665877...@n4.nabble.com] >Sent: 4/30/2013 6:55:52 PM >To: iruc...@mail2world.com >Subject: Re: log returns, error > >Thank you for an advice! I read the answers, but I am still confused about how to present files.... >The link is the data I use - stock price. Some of the numbers are NA, so it says log is not meaningful for >factors. How can I make him not to count them? >http://www.file-upload.net/download-7537530/daily.csv.html > >############################ >data <- read.csv("daily.csv", sep=",") >data >#Step 1: Daily Log Returns >daily_ret <- NULL >for (i in c(2:ncol(data))){ > subsample <- data[ ,i] > daily_ret_subsample <- diff(log(subsample)) > daily_ret <- cbind(daily_ret, daily_ret_subsample) >} >daily_ret <- cbind(tail(x=data[ ,1], n=nrow(daily_ret)), daily_ret) >colnames(daily_ret) <- colnames(data) >daily_ret <- as.data.frame(daily_ret) >daily_ret > #################################### > > > > >If you reply to this email, your message will be added to the discussion below: >http://r.789695.n4.nabble.com/log-returns-error-tp4665865p4665877.html >To unsubscribe from log returns, error, click here. >NAML <span id=m2wTl><p><font face="Arial, Helvetica, sans-serif" size="2" style="font-size:13.5px">_______________________________________________________________<BR>Get the Free email that has everyone talking at <a href=http://www.mail2world.com target=new>http://www.mail2world.com</a><br> <font color=#999999>Unlimited Email Storage – POP3 – Calendar – SMS – Translator – Much More!</font></font></span> [[alternative HTML version deleted]] ______________________________________________ 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 provide commented, minimal, self-contained, reproducible code.
