Re: [R] splitting a column of data into multiple columns

2019-06-28 Thread Jim Lemon
Hi Janet, This might help: jcdf<-read.table(text="scen trans evap flow 1 1.10.10.09 1 1.20.20.10 1 1.30.30.20 2 2.10.10.09 2 2.20.20.10 2 2.30.30.20 3 3.10.10.09 3 3.20.20.10 3

[R] splitting a column of data into multiple columns

2019-06-28 Thread Janet Choate
Hello R community, I have a data frame that has multiple observations in a single column that I would like to break into multiple columns. The data looks something like this: scen trans evap flow 1 1.10.10.09 1 1.20.20.10 1 1.30.30.20 2 2.10.1

Re: [R] Object and file sizes

2019-06-28 Thread Göran Broström
On 2019-06-28 15:26, Duncan Murdoch wrote: On 28/06/2019 7:35 a.m., Göran Broström wrote: Hello, I have two large data frames, 'liss' (170 million obs, 8 variables) and 'fobb' (52 million obs, 8 variables, same as for 'liss'), and checking their sizes I get   > object.size(liss) 7477492552

Re: [R] Object and file sizes

2019-06-28 Thread Duncan Murdoch
On 28/06/2019 7:35 a.m., Göran Broström wrote: Hello, I have two large data frames, 'liss' (170 million obs, 8 variables) and 'fobb' (52 million obs, 8 variables, same as for 'liss'), and checking their sizes I get > object.size(liss) 7477492552 bytes > object.size(fobb) 2494591736 bytes

[R] Assumptions ANOVA

2019-06-28 Thread Eleftheria Dalmaris
Dear all, I need to run the following ANOVA b <- aov(y ~ a +b*(factor(a)/b) + c + d + e) I'm checking the assumption of the normality of the residuals and then the Levene's Test for Homogeneity of Variance. I first transform my data so the normality assumption is met, but if I do that the

[R] Object and file sizes

2019-06-28 Thread Göran Broström
Hello, I have two large data frames, 'liss' (170 million obs, 8 variables) and 'fobb' (52 million obs, 8 variables, same as for 'liss'), and checking their sizes I get > object.size(liss) 7477492552 bytes > object.size(fobb) 2494591736 bytes Fair enough, but when I save them to disk

Re: [R] Regular expressions and 2 dots

2019-06-28 Thread Rui Barradas
Hello, Please always cc the list. To know more about the regular expressions used by r read help("regex") The one I used is not very complicated. \\. match a dot; it is a meta-character so it needs to be escaped. {2,} repeated at least 2 times, at most an undetermined number of times. .*

Re: [R] Regular expressions and 2 dots

2019-06-28 Thread Rui Barradas
Hello, Try s <- c( "colone..xx.","coltwo.ft..rr.","colthree.gh..az.","colfour.DG..lm.") sub("\\.{2,}.*$", "", s) #[1] "colone" "coltwo.ft" "colthree.gh" "colfour.DG" Às 09:00 de 28/06/19, lionel sicot via R-help escreveu: c(

[R] Regular expressions and 2 dots

2019-06-28 Thread lionel sicot via R-help
Hello, I have files from an equipment with column names including dots.I would like to simplify these names but all my attempts with sub and regular expressions are unsuccessful. I havec( "colone..xx.","coltwo.ft..rr.","colthree.gh..az.","colfour.DG..lm.")and I would like to have c(