But: pose16$POSITION * pose16$SETTLEMENT is [1] -702.90 244.77 166.48 2273.80 24876.00 2985.00 80.90 -15.95 2512.50 -2423.00
not: c(702.9, -244.77, -166.48, -2273.8, -24876, -2985, -80.9, 15.95, -2512.5, 2423) On Wed, May 12, 2010 at 11:53 AM, arnaud Gaboury <arnaud.gabo...@gmail.com>wrote: > The result is different with your code. > > My result is : > > pose16 <- > structure(list(DESCRIPTION = structure(c(1L, 2L, 3L, 4L, 5L, > 6L, 7L, 8L, 9L, 12L), .Label = c("COPPER May/10", "COTTON NO.2 Jul/10", > "CRUDE OIL miNY May/10", "GOLD Jun/10", "ROBUSTA COFFEE (10) Jul/10", > "SOYBEANS Jul/10", "SUGAR NO.11 Jul/10", "SUGAR NO.11 May/10", > "WHEAT Jul/10", "PRIMARY NICKEL USD", "PRM HGH GD ALUMINIUM USD", > "SPCL HIGH GRADE ZINC USD", "STANDARD LEAD USD"), class = "factor"), > POSITION = c(2, -3, -2, -2, -18, -3, -5, 1, -5, 1), prix = c(702.9, > -244.77, -166.48, -2273.8, -24876, -2985, -80.9, 15.95, -2512.5, > 2423)), .Names = c("DESCRIPTION", "POSITION", "prix"), row.names = > c("1", > "2", "3", "4", "5", "6", "7", "8", "9", "51"), class = "data.frame") > > Your result is : > > pose16 <- > structure(list(DESCRIPTION = structure(c(1L, 2L, 3L, 4L, 5L, > 6L, 7L, 8L, 9L, 12L), .Label = c("COPPER May/10", "COTTON NO.2 Jul/10", > "CRUDE OIL miNY May/10", "GOLD Jun/10", "ROBUSTA COFFEE (10) Jul/10", > "SOYBEANS Jul/10", "SUGAR NO.11 Jul/10", "SUGAR NO.11 May/10", > "WHEAT Jul/10", "PRIMARY NICKEL USD", "PRM HGH GD ALUMINIUM USD", > "SPCL HIGH GRADE ZINC USD", "STANDARD LEAD USD"), class = "factor"), > POSITION = c(2, -3, -2, -2, -18, -3, -5, 1, -5, 1), prix = c(-702.9, > 244.77, 166.48, 2273.8, 24876, 2985, 80.9, -15.95, 2512.5, > -2423)), .Names = c("DESCRIPTION", "POSITION", "prix"), row.names = > c("1", > "2", "3", "4", "5", "6", "7", "8", "9", "51"), class = "data.frame") > > > > > From: Henrique Dallazuanna [mailto:www...@gmail.com] > Sent: Wednesday, May 12, 2010 3:32 PM > To: arnaud Gaboury > Cc: r-help@r-project.org > Subject: Re: [R] data frame subscription > > Try this: > > transform(pose16, prix = POSITION * SETTLEMENT, SETTLEMENT = NULL, POSITION > = POSITION * -1) > > On Wed, May 12, 2010 at 9:50 AM, arnaud Gaboury <arnaud.gabo...@gmail.com> > wrote: > Dear group, > > Here is my df : > > pose16 <- > structure(list(DESCRIPTION = structure(c(1L, 2L, 3L, 4L, 5L, > 6L, 7L, 8L, 9L, 12L), .Label = c("COPPER May/10", "COTTON NO.2 Jul/10", > "CRUDE OIL miNY May/10", "GOLD Jun/10", "ROBUSTA COFFEE (10) Jul/10", > "SOYBEANS Jul/10", "SUGAR NO.11 Jul/10", "SUGAR NO.11 May/10", > "WHEAT Jul/10", "PRIMARY NICKEL USD", "PRM HGH GD ALUMINIUM USD", > "SPCL HIGH GRADE ZINC USD", "STANDARD LEAD USD"), class = "factor"), > POSITION = c(-2, 3, 2, 2, 18, 3, 5, -1, 5, -1), SETTLEMENT = c(351.45, > 81.59, 83.24, 1136.9, 1382, 995, 16.18, 15.95, 502.5, 2423 > )), .Names = c("DESCRIPTION", "POSITION", "SETTLEMENT"), row.names = > c("1", > "2", "3", "4", "5", "6", "7", "8", "9", "51"), class = "data.frame") > > Here is my code : > > >pose16$prix<-pose16[,2]*pose16[,3] > >pose16<-pose16[,-3] > >pose16[,-1]<- -pose16[,-1] > > It works fine, as the resulting df is what I want. I am just wandering if > these 3 command lines can be writen in only 1 or 2 lines?? > > TY for the help. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O > > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.