Re: [R] delete some lines of a dataframe

2013-09-17 Thread Arnaud Michel
: Tuesday, September 17, 2013 4:21 PM Subject: Re: [R] delete some lines of a dataframe Hi Arnaud, In that case: Try: Df1[duplicated(Df1$Mat),] Df1[duplicated(Df1$Mat,fromLast=TRUE),] #or A.K. - Original Message - From: Arnaud Michel To: arun Cc: R help Sent: Tuesday, September 1

Re: [R] delete some lines of a dataframe

2013-09-17 Thread arun
lete some lines of a dataframe Hi Arnaud, In that case: Try: Df1[duplicated(Df1$Mat),]  Df1[duplicated(Df1$Mat,fromLast=TRUE),] #or A.K. - Original Message - From: Arnaud Michel To: arun Cc: R help Sent: Tuesday, September 17, 2013 4:00 PM Subject: Re: [R] delete some lines of a

Re: [R] delete some lines of a dataframe

2013-09-17 Thread Arnaud Michel
Subject: [R] delete some lines of a dataframe Hi I have a dataframe Df1 dput(Df1) structure(list(Mat = c(141, 141, 157, 157, 188, 188, 232, 232, 253, 253, 253, 254, 254, 254, 254, 256, 256, 264, 264), Prenom = c("Pierre", "Pierre", "Jean-Claude", "Jean

Re: [R] delete some lines of a dataframe

2013-09-17 Thread arun
Hi, Try: Df1[duplicated(Df1),]  Df1[duplicated(Df1,fromLast=TRUE),] A.K. - Original Message - From: Arnaud Michel To: R help Cc: Sent: Tuesday, September 17, 2013 2:14 PM Subject: [R] delete some lines of a dataframe Hi I have a dataframe Df1 dput(Df1) structure(list(Mat = c(141

Re: [R] delete some lines of a dataframe

2013-09-17 Thread arun
Hi Arnaud, In that case: Try: Df1[duplicated(Df1$Mat),]  Df1[duplicated(Df1$Mat,fromLast=TRUE),] #or A.K. - Original Message - From: Arnaud Michel To: arun Cc: R help Sent: Tuesday, September 17, 2013 4:00 PM Subject: Re: [R] delete some lines of a dataframe Thank you Arun but

[R] delete some lines of a dataframe

2013-09-17 Thread Arnaud Michel
Hi I have a dataframe Df1 dput(Df1) structure(list(Mat = c(141, 141, 157, 157, 188, 188, 232, 232, 253, 253, 253, 254, 254, 254, 254, 256, 256, 264, 264), Prenom = c("Pierre", "Pierre", "Jean-Claude", "Jean-Claude", "Jean-Louis", "Jean-Louis", "Philippe", "Philippe", "Christophe", "Christophe",