Re: [R] Self-starting nonlinear power law function

2015-09-29 Thread tiago
Hi Christoph! Actually I had this doubt and thanks for the help! Although i have kind of a problem: while you just have one variable (x) i have three and respective interactions (let's say x1, x2 and x3 where x2 and x3 are categorical variables) the self-construct is still applicable? Best regar

Re: [R] Matrix element-by-element multiplication

2015-09-29 Thread David Winsemius
On Sep 29, 2015, at 4:49 PM, waddawanna wrote: > Hello Steven, > > It looks like, there is no in-built function that can do GAUSS ".*" > element-wise multiplication. > Now, if you want to make the desired computations in R, it is actually > preatty straightforward. > >> a<-c(1,2,3) >> b<-matrix

Re: [R] Matrix element-by-element multiplication

2015-09-29 Thread Rolf Turner
On 30/09/15 12:49, waddawanna wrote: Hello Steven, It looks like, there is no in-built function that can do GAUSS ".*" element-wise multiplication. Now, if you want to make the desired computations in R, it is actually preatty straightforward. a<-c(1,2,3) b<-matrix(rep(1:9,1),3,3,byrow=TRUE) a

[R] Calculate Total CORRECTED SS for non linear regression

2015-09-29 Thread Michael Eisenring
Hello I started to work on nonlinear regressions recently, I want to compare a set of models and would like to use an equivalent of R2 for nonlinear regression models. I learned that a good alternative is to calculate the following corrected formula: 1 - (Residual SS/Total Corrected SS)

Re: [R] [FORGED] cumulative distribtuion function for multinomial distribution in R

2015-09-29 Thread Rolf Turner
On 30/09/15 01:35, peter dalgaard wrote: On 29 Sep 2015, at 04:16 , Rolf Turner wrote: On 29/09/15 14:58, li li wrote: Hi all, In R, is there a function for the cumulative distribution function for multinomial distribution? I only see pmultinom and rmultinom which are the prabability mass fu

[R] X Stacked bars of Y values, with bar segments colored according to Z

2015-09-29 Thread Daler
I'm trying to generate a bar plot from the following data frame seq leftdeleted right mh 1 125 175 132 0 2 125 225 82 3 3 200 150 82 3 4 300 80 52 2 5 165 205 62 7 where x="seq", y is a stack of

Re: [R] Fwd: Regex: just keep the money and not the description

2015-09-29 Thread Engin Toksoz
gsub(pattern = "(S[^/]{0,}/.)([:space:]{0,})([0-9,]{0,})(\n){0,}",replace="", TV_Precios2) -Original Message- From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Omar André Gonzáles Díaz Sent: Tuesday, September 29, 2015 11:31 AM To: r-help@R-project.org Subject: [R] Fwd: Reg

[R] Fwd: Regex: just keep the money and not the description

2015-09-29 Thread Omar André Gonzáles Díaz
Excuse me, here is the vector: TV_Precios2 <- c("S/. 2,499.00S/. 1,999.00", "S/. 2,299.00 S/. 1,599.00", "S/. 2,299.00 S/. 1,599.00", "S 40\" FULL HD 40LF6350S/. 1,999.00S/. 1,699.00", "S/. 5,999.00S/. 4,799.00", "S/. 3,499.00S/. 2,999.00", "S/. 4,799.00S/. 3,699.00", "S/. 599.00", "S/. 1,299.00

Re: [R] flatten a list

2015-09-29 Thread Giorgio Garziano
To mention also: temp <- list(1:3, list(letters[1:3], duh= 5:8), zed=15:17) library(rlist) list.flatten(temp) [[1]] [1] 1 2 3 [[2]] [1] "a" "b" "c" $duh [1] 5 6 7 8 $zed [1] 15 16 17 --- Giorgio Garziano [[alternative HTML version deleted]] ___

Re: [R] Analysis of causal relations between rare (categorical) events

2015-09-29 Thread markshanks
Thanks Giorgio and Jim. This info is exactly what I needed. -- View this message in context: http://r.789695.n4.nabble.com/Analysis-of-causal-relations-between-rare-categorical-events-tp4712801p4712951.html Sent from the R help mailing list archive at Nabble.com. __

Re: [R] flatten a list

2015-09-29 Thread Giorgio Garziano
If you need further info on flattening a list, check this out: http://stackoverflow.com/questions/8139677/how-to-flatten-a-list-to-a-list-without-coercion/8139959#8139959 [[alternative HTML version deleted]] __ R-help@r-project.org mailing l

Re: [R] plot changes usr?

2015-09-29 Thread William Dunlap
If you want to set the axis limits to exactly your given xlim and ylim, also use xaxs="i" and yaxs="i" (x or y "axis style" is "internal") in your plot command. E.g., plot(xaxs="i", yaxs="i", 1:10, 87:96, xlim=c(-0.75, 13.2), ylim=c(81.03,100.2)) par("usr") #[1] -0.75 13.20 81.03 100.20 as

Re: [R] flatten a list

2015-09-29 Thread Gabor Grothendieck
> do.call(c, lapply(temp, function(x) if (is.list(x)) x else list(x))) [[1]] [1] 1 2 3 [[2]] [1] "a" "b" "c" $duh [1] 5 6 7 8 $zed [1] 15 16 17 On Tue, Sep 29, 2015 at 11:00 AM, Therneau, Terry M., Ph.D. < thern...@mayo.edu> wrote: > I'd like to flatten a list from 2 levels to 1 level. This

[R] Regex: just keep the money and not the description

2015-09-29 Thread Omar André Gonzáles Díaz
Hi R users, I have a character vector with 2 numbers: old price, new price. The problem is that some rows (4,23, for example) contain a little description of the product, which I don't need. I've tried a lot of thins, like this one: TV_Precios3 <- gsub("^S ^[0-9]{2}\\$","",TV_Precios2) Without r

[R] flatten a list

2015-09-29 Thread Therneau, Terry M., Ph.D.
I'd like to flatten a list from 2 levels to 1 level. This has to be easy, but is currently opaque to me. temp <- list(1:3, list(letters[1:3], duh= 5:8), zed=15:17) Desired result would be a 4 element list. [[1]] 1:3 [[2]] "a", "b", "c" [[duh]] 5:8 [[zed]] 15:17 (Preservation of the names is n

Re: [R] writing an equation with multiple summation

2015-09-29 Thread Maram SAlem
My first problem is that the counters involved in the summation are dependent, For instance for each r[i], 0 wrote: > Dear All, > > I'm trying to write and evaluate an equation which involves multiple > summations but can't figure out how to do it. > > I've an numeric vector r > r<-vector(mode = "

Re: [R] Creating World Map with Points

2015-09-29 Thread Giorgio Garziano
I had to update low/up longitude and latitude attributes of the zoom=1 map with those of zoom=2 map. library(ggmap) # the zoom=2 map works with ggmap(), however it does not show Americas and all Pacific Ocean map <- get_map(location = 'India', zoom=2) bb <- attr(map, "bb") bb # the zoom=1 show

Re: [R] [FORGED] cumulative distribtuion function for multinomial distribution in R

2015-09-29 Thread peter dalgaard
On 29 Sep 2015, at 04:16 , Rolf Turner wrote: > On 29/09/15 14:58, li li wrote: >> Hi all, >> In R, is there a function for the cumulative distribution function >> for multinomial distribution? I only see pmultinom and rmultinom which >> are the prabability mass function and the function for g

Re: [R] merging tables based on both row and column names

2015-09-29 Thread Giorgio Garziano
Another approach: test1 <- data.frame(rbind(c(0.1,0.2),0.3,0.1)) rownames(test1) = c('y1','y2','y3') colnames(test1) = c('x1','x2'); test2 <- data.frame(rbind(c(0.8,0.9,0.5),c(0.5,0.1,0.6))) rownames(test2) = c('y2','y5') colnames(test2) = c('x1','x3','x2') > test1 x1 x2 y1 0.1 0.2 y2 0.3 0.

Re: [R] How to find out if two cells in a dataframe belong to the same pre-specified factor-level

2015-09-29 Thread Tim Richter-Heitmann
Thank you, that turned out to work very well. If you want to, you can answer it here: http://stackoverflow.com/questions/32809249/how-to-find-out-if-two-cells-in-a-dataframe-belong-to-the-same-pre-specified-fac/ The question wasnt properly answered, which is why i switched to R-list. On 28.09

Re: [R] [FORGED] cumulative distribtuion function for multinomial distribution in R

2015-09-29 Thread Rolf Turner
On 29/09/15 14:58, li li wrote: Hi all, In R, is there a function for the cumulative distribution function for multinomial distribution? I only see pmultinom and rmultinom which are the prabability mass function and the function for generating multinomial random variables respectively. Denn

[R] Stats course: Lisbon, Portugal

2015-09-29 Thread Highland Statistics Ltd
Apologies for cross-posting We would like to announce the following statistics course: Course: Data exploration, regression, GLM & GAM with introduction to R Where: Lisbon, Portugal When: 8-12 February 2016 Course website: http://www.highstat.com/statscourse.htm Flyer: http://highstat.com/Course

Re: [R] cumulative distribtuion function for multinomial distribution in R

2015-09-29 Thread ruipbarradas
Hello, Actually, the probability mass function should be dmultinom. I think pmultinom is what you want. Hope this helps, Rui Barradas   Citando li li : > Hi all, > In R, is there a function for the cumulative distribution function > for multinomial distribution? I only see pmultinom and rmulti