Re: [R] Extracting a subset from a dataframe

tely and delete this email. Fra: [EMAIL PROTECTED] på vegne af [EMAIL PROTECTED] Sendt: fr 23-02-2007 07:26 Til: R-help@stat.math.ethz.ch Emne: [R] Extracting a subset from a dataframe Good day everyone, Can anyone suggest an effective method to solve the following problem: I have

Re: [R] Extracting a subset from a dataframe

Try: D1[setdiff(D1$dates,D2$dates) , ] Xiaohui [EMAIL PROTECTED] wrote: > Good day everyone, > > Can anyone suggest an effective method to solve > the following problem: > > I have 2 dataframes D1 and D2 as follows: > > D1: > dates ws wc pwc > 2005-10-19:12:00 10.8 80 81 > 20

[R] Extracting a subset from a dataframe

Good day everyone, Can anyone suggest an effective method to solve the following problem: I have 2 dataframes D1 and D2 as follows: D1: dates ws wc pwc 2005-10-19:12:00 10.8 80 81 2005-10-20:12:00 12.3 5 15 2005-10-21:15:00 12.3 3 15 2005-10-22:15:00 11.3 13 95