Re: [R] Common elements in columns

2012-09-03 Thread Silvano Cesar da Costa
me(C1=sample(LETTERS[1:25],15,replace=FALSE),C2=1:15) >>> set.seed(3) >>> df3<-data.frame(C1=sample(LETTERS[1:10],10,replace=FALSE),B1=rnorm(10,3)) >>> set.seed(5) >>> df4<-data.frame(C1=sample(LETTERS[1:15],10,replace=FALSE),A2=rnorm(10,15)) >>> df1$

Re: [R] Common elements in columns

2012-09-03 Thread jim holtman
ple(LETTERS[1:15],10,replace=FALSE),A2=rnorm(10,15)) >> df1$C1[df1$C1%in%df2$C1[df2$C1%in%df3$C1[df3$C1%in%df4$C1]]] >> #[1] G E H J >> A.K. >> >> >> >> - Original Message - >> From: Silvano Cesar da Costa >> To: r-help@r-project.org &g

Re: [R] Common elements in columns

2012-09-03 Thread Silvano Cesar da Costa
E H J > A.K. > > > > - Original Message - > From: Silvano Cesar da Costa > To: r-help@r-project.org > Cc: > Sent: Sunday, September 2, 2012 7:05 PM > Subject: [R] Common elements in columns > > Hi, > > I have 4 files with 1 individuals in each

Re: [R] Common elements in columns

2012-09-02 Thread arun
2012 7:05 PM Subject: [R] Common elements in columns Hi, I have 4 files with 1 individuals in each file and 10 columns each. One of the columns, say C1, may have elements in common with the other columns C1 of other files. If I have only 2 files, I can do this check with the command: dat

[R] Common elements in columns

2012-09-02 Thread Silvano Cesar da Costa
Hi, I have 4 files with 1 individuals in each file and 10 columns each. One of the columns, say C1, may have elements in common with the other columns C1 of other files. If I have only 2 files, I can do this check with the command: data1[data1 %in% data2] data2[data2 %in% data1] How do I ch