I'm new at R. I have a big csv around 2.5 gb with 3 columns and 40 million rows. The datatypes of the column are interger, datetime and char. How to load this csv using ff package?
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Also there are some null values in each of the columns – user3094606 Dec 12 '13 at 09:15
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Doese Aashu's answer solve your problem? You should verify this answer if it help you – Vu Anh Dec 04 '14 at 03:41
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Well it will give you some idea and use existing links Save and load your bigData ,load big csv file
all <- read.csv("file.csv")
library("ff")
help(read.table.ffdf)
x<- read.csv.ffdf(file="file.csv", header=TRUE, VERBOSE=TRUE, first.rows=10000, next.rows=50000, colClasses=NA)
save.ffdf(ffdfname, dir=”/PATH/TO/STORE/FF/FILES”)
load.ffdf(dir=”/PATH/TO/STORE/FF/FILES”)
hope it will help you.
