Re: [R] using if else function to complete a column in data frame

> On Jan 8, 2017, at 9:21 PM, Cacique Samurai wrote: > > Hello all! > > I´m trying to complete the "movimento" column in dataframe based in > the values of "kmr" column in two sequential lines, as below: > > data example (dput in the end of email): > > IDkmr movimento > 510.70

Re: [R] using if else function to complete a column in data frame

est.s) test but assigned in this case is not factor but numeric vector, which seems to me strange. Maybe somebody could explain this behaviour Cheers Petr > -Original Message- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Cacique > Samurai > Sent: Monday, Ja

[R] using if else function to complete a column in data frame

Hello all! I´m trying to complete the "movimento" column in dataframe based in the values of "kmr" column in two sequential lines, as below: data example (dput in the end of email): IDkmr movimento 510.700 314.20NA 110.700 278.74NA 210.700 278.74N

Re: [R] Using If loop in R how to extract even and odd ids

Hi, May be this helps: set.seed(24) dat1<- data.frame(ID=1:500,value=rnorm(500)) res<- split(dat1,dat1$ID%%2) A.K. - Original Message - From: ravi.raghava1 To: r-help@r-project.org Cc: Sent: Wednesday, July 31, 2013 3:46 AM Subject: [R] Using If loop in R how to extract even a

Re: [R] Using If loop in R how to extract even and odd ids

Hello, Who told you you need a loop or an if? even <- function(x) x %% 2 == 0 x <- 1:50 idx <- even(x) x[idx] Hope this helps, Rui Barradas Em 31-07-2013 08:46, ravi.raghava1 escreveu: I have 500 ids ; i want to take out even and odd ids separately and store it another data files. How can

[R] Using If loop in R how to extract even and odd ids

I have 500 ids ; i want to take out even and odd ids separately and store it another data files. How can it be done in R by using *If and for loop* ?? -- View this message in context: http://r.789695.n4.nabble.com/Using-If-loop-in-R-how-to-extract-even-and-odd-ids-tp4672707.html Sent from the

Re: [R] Using if

HI, May be this: RiskTest<-ifelse(EvHint==1 & MinTex==1,1,0) RiskTest # [1] 0 0 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 A.K. - Original Message - From: Virgile Capo-Chichi To: r-help@r-project.org Cc: Sent: Tuesday, November 20, 2012 2:08 PM Subject: [R] Using if Dear R users, A

Re: [R] Using if

8 a.m. To: Virgile Capo-Chichi; r-help@r-project.org Subject: Re: [R] Using if ?ifelse Quite distinct from if () {} else {}. --- Jeff NewmillerThe . . Go Live... DCN:Basics: ##.

Re: [R] Using if

Try this (convert the logical TRUE to the value 1): > EvHint<-c(0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0) > MinTex<-c(0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0) > > RiskTest <- (EvHint == 1 & MinTex == 1) + 0L > rbind(EvHint, MinTex, RiskTest) [,1] [,2]

Re: [R] Using if

; Behalf > Of Virgile Capo-Chichi > Sent: Tuesday, November 20, 2012 11:09 AM > To: r-help@r-project.org > Subject: [R] Using if > > Dear R users, > > As a new comer to R, I would like to create a new variable using if > statements but don't know how to do it. Basical

Re: [R] Using if

Hi, Thanks for providing a reproducible example. On Tue, Nov 20, 2012 at 2:08 PM, Virgile Capo-Chichi wrote: > Dear R users, > > As a new comer to R, I would like to create a new variable using if > statements but don't know how to do it. Basically, I have two variables > (EvHint and MinTex). I

Re: [R] Using if

?ifelse Quite distinct from if () {} else {}. --- Jeff NewmillerThe . . Go Live... DCN:Basics: ##.#. ##.#. Live Go... Live: OO#.

[R] Using if

Dear R users, As a new comer to R, I would like to create a new variable using if statements but don't know how to do it. Basically, I have two variables (EvHint and MinTex). I want to create a third variable called RiskTest. In SPSS, my syntax would look like Compute RiskTest=0. if (EvHint=1 &

Re: [R] Using if and else in a data frame

Hello, Your example code has a bug, there's no fata.frame called 'AB'. It's corrected below. pannigh wrote > > Dear list, > I get the ifelse function to work on a data frame but don't know how to do > something similar (only more conditions) with the combination of if and > else like in the exa

[R] Using if and else in a data frame

Dear list, I get the ifelse function to work on a data frame but don't know how to do something similar (only more conditions) with the combination of if and else like in the example: A <- c("a","a","b","b","c","c") B <- c(rep(2,6)) dat <- data.frame(A,B) dat$C <- if(AB$A=="a") {AB$B^2} else

Re: [R] using if then statements in a dataframe

On Aug 10, 2011, at 7:34 PM, Ward, Michael Patrick wrote: I used this service several months ago and was very pleased with the response. I have a dataframe with several thousand lines and to each line I need to apply a series of "if else" statements. For each row I need either a value

Re: [R] using if then statements in a dataframe

Mike, One thing I noticed that '&&' should be replaced by '&'. The former is applied to the first element of the vector while the latter applicable to the whole vector. HTH Weidong Gu On Wed, Aug 10, 2011 at 7:34 PM, Ward, Michael Patrick wrote: > > I used this service several months ago and

[R] using if then statements in a dataframe

I used this service several months ago and was very pleased with the response. I have a dataframe with several thousand lines and to each line I need to apply a series of "if else" statements. For each row I need either a value or a blank/NA. Below is the series of if else statements I have bee

[R] using if statment and loops to create data layout of recurrent events

Hi , I have a data set with recurrence time (up to four) of myocardial infarction (MI). Part of the file is showing below: Num1Trt Sex TimeT1 T2 T3 T4 10111 1 9 12110 1 59

Re: [R] Using if statement on function

On 28/06/2010 5:50 AM, Etienne Stockhausen wrote: Hello everybody, I'm trying to use a if-statment on a function. For a better understanding I want to present a small example: FUN=mean # could also be median,sd or any other function if (FUN == mean)

Re: [R] Using if statement on function

You could also consider isTRUE(all.equal(FUN, mean)) > isTRUE(all.equal(mean, mean)) [1] TRUE > isTRUE(all.equal(mean, median)) [1] FALSE HTH Keith J "Patrick Burns" wrote in message news:4c28777f.1040...@pburns.seanet.com... > If I understand the problem properly, > you want something li

Re: [R] Using if statement on function

If I understand the problem properly, you want something like this: function(FUN, ...) { FunName <- deparse(substitute(FUN)) if(FunName == "mean") { ... } else if(FunName == "median") { ... } } Using 'switch' is an alternative to 'i

[R] Using if statement on function

Hello everybody, I'm trying to use a if-statment on a function. For a better understanding I want to present a small example: FUN=mean # could also be median,sd or any other function if (FUN == mean) plot(...) if (FUN == median) plot(...)

Re: [R] using IF command

On Mon, Aug 11, 2008 at 08:23:19AM +1200, Gareth Campbell wrote: > Hey team, > > If I have a matrix: > > 1, 2, > 3, 4, > 4, 0, > 1, 3, > 0, 3 > > 2 columns. > > I want to write an if command that looks at (in this case) row 3 and looks > to see if either [3,1] or [3,2] has a zero in it. IF it

[R] using IF command

Hey team, If I have a matrix: 1, 2, 3, 4, 4, 0, 1, 3, 0, 3 2 columns. I want to write an if command that looks at (in this case) row 3 and looks to see if either [3,1] or [3,2] has a zero in it. IF it does have a zero I want the zero to be placed in another matrix in the same position. I know

Re: [R] Using if, else statements

t;wed","thu","fri","sat","sun") my.df$NewAdm <- my.df$admissions * weight[as.character(my.df$d.o.w)] my.df Gabriela - Original Message ----- From: "Robin Williams" <[EMAIL PROTECTED]> To: Sent: Wednesday, July 23, 2008 12:44

Re: [R] Using if, else statements

Just to clarify, if you have two data.frame, one with your data, other with data-admissions, just use data.merge<-merge(my.df, data.weigth, by.x="data", by.y="data", all=T) miltinho On 7/23/08, milton ruser <[EMAIL PROTECTED]> wrote: > > Hi Rob Williams > > I think it is one way of you do the j

Re: [R] Using if, else statements

Hi Rob Williams I think it is one way of you do the job. Cheers, miltinho astronauta brazil my.df<-data.frame(cbind(data=sample(c("mon","sat","sun"), 20, replace=T), values=rnorm(20))) my.df$values<-as.numeric(my.df$values) data.weigth<-read.table(stdin(), head=T, sep=",") data,weigt

Re: [R] Using if, else statements

atistical package. Any code much appreciated. -Original Message- From: Patrick Burns [mailto:[EMAIL PROTECTED] Sent: 23 July 2008 17:44 To: Robin Williams Subject: Re: [R] Using if, else statements You might have found 'ifelse' in S Poetry, which is one way of solving your problem.

Re: [R] Using if, else statements

One more try and I quit: This is what happens if someone does not sent a sample of data you have to create things on the fly without testing. days <- list(list("Sat", 1.21), list("Sun", 1.22), list("Mon", 0.91)) for (i in days){ .subset <- data$d.o.w == i[[1]] # subset of data that matches

Re: [R] Using if, else statements

My fingers slipped on the keyboard. Here what they intended to write. This sets up a list of the data and the matches on a subset for processing days <- list(list("Sat", 1.21), list("Sun", 1.22), list("Mon", 0.91)) for (i in days){ .subset <- data$d.o.w == i[[1]] # subset of data that matc

Re: [R] Using if, else statements

You would have something that looks like this: if (data$d.o.w == "Sat") data$admission <- round(data$admission * 1.21) if (data$d.o.w == "Sun") ... On Wed, Jul 23, 2008 at 11:44 AM, Robin Williams <[EMAIL PROTECTED]> wrote: > Hi all, > > Again I have searched the net and so on, without find

[R] Using if, else statements

Hi all, Again I have searched the net and so on, without finding an answer to this surely simple problem. A short bit of code would be appreciated. I have a object named `data' with the following column headings. Date, maxitemp, minitemp, admissions, d.o.w. Where d.o.w. is day of the week,