Re: [R] How should one handle "NA" properly in a .csv dataset?

Hi, I find the problem. Some of the numbers like "1357" are presented as "1,357". After deleting the comma, everything is ok. Thank you for your attention! Miao 2012/8/22 jpm miao > Hi, > >I am reading several .csv file of time series. Some values of the time > series are unavailable. S

[R] How should one handle "NA" properly in a .csv dataset?

Hi, I am reading several .csv file of time series. Some values of the time series are unavailable. Some of the unavailable series are marked "NA", and some are just blank. The "NA" value can be read, but the blank cannot be read. Then I change the change the blank to "NA", but they can't be pro