read.csv – Page 2 – Tarik Billa

Specify custom Date format for colClasses argument in read.table/read.csv

December 30, 2022 by Tarik

You can write your own function that accepts a string and converts it to a Date using the format you want, then use the setAs to set it as an as method. Then you can use your function as part of the colClasses. Try: setAs(“character”,”myDate”, function(from) as.Date(from, format=”%d/%m/%Y”) ) tmp <- c(“1, 15/08/2008”, “2, 23/05/2010”) … Read more

Specifying colClasses in the read.csv

December 22, 2022 by Tarik

You can specify the colClasse for only one columns. So in your example you should use: data <- read.csv(‘test.csv’, colClasses=c(“time”=”character”))

‘Incomplete final line’ warning when trying to read a .csv file into R

December 11, 2022 by Tarik

The message indicates that the last line of the file doesn’t end with an End Of Line (EOL) character (linefeed (\n) or carriage return+linefeed (\r\n)). The original intention of this message was to warn you that the file may be incomplete; most datafiles have an EOL character as the very last character in the file. … Read more