Re: [R] starta.sampling with many (1000 times) and average them

2014-03-31 Thread PIKAL Petr
Hi see in line -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- project.org] On Behalf Of Kristi Glover Sent: Friday, March 28, 2014 7:04 PM To: R-help Subject: [R] starta.sampling with many (1000 times) and average them Hi R Users, I was trying to

Re: [R] Computing predictive values

2014-03-31 Thread PIKAL Petr
Hi create index variable in your data e.g. Model.Update$idx - rep(1:n, each=5) or Model.Update$idx - c(0,1:nrow(Model.Update)%/%5) After that you can use aggregate or by with elaborated function, something like fn - function(dat) { fit - lm(y ~ x + z, data=dat) result - predict(fit) } or

Re: [R] about lm()

2014-03-31 Thread Helios de Rosario
El día 30/03/2014 a las 15:23, Si Qi L. liusiqi.n...@gmail.com escribió: Hi I have a problem with linear regression. This is my codes: acc1‑ lm(data$acc ~ dummy + data$Reqloanamount + data$Code + data$Code.1 + data$EmpNetMonthlyPay + data$Customer_Age + data$RTI) summary(acc1)

Re: [R] cov.wt gives different results from other (co)variance functions (cov, wtd.var)

2014-03-31 Thread Andrews, Chris
I don't think cov.wt uses frequency weights. However, I don't think this is mentioned in its help page. Here is some information about the difference: http://stats.stackexchange.com/questions/61225/correct-equation-for-weighted-unbiased-sample-covariance The frequency version isn't hard to

Re: [R] cov.wt gives different results from other (co)variance functions (cov, wtd.var)

2014-03-31 Thread peter dalgaard
On 31 Mar 2014, at 00:30 , Emilio Torres Manzanera tor...@uniovi.es wrote: Dear Sir, I am not sure about the precision of the cov.wt function. It seems that it provides different results when using frequency weights. This discrepancy only occurs with the covariance matrix, not with the

Re: [R] select maximum values

2014-03-31 Thread Sébastien Durier
hello, It's also possible to use the quantile function : vec0 - c(0.1,0.2, 0.5, 0.1,0.8, 0.4, 0.9) which(vec0 = quantile(vec0, 0.7, type = 1)) SD 2014-03-29 18:02 GMT+01:00 arun smartpink...@yahoo.com: Hi, Try: vec1 - setNames(c(0.1,0.2, 0.5, 0.1,0.8, 0.4, 0.9), 1:7) vec2 -

Re: [R] about lm()

2014-03-31 Thread Si Qi L.
Hi, I am very new on R so I will remember to post in plain text next time. Thank you all for your help. I think I can figure it out now~ Many thanks!:) Best regards, Siqi 2014-03-31 11:43 GMT+01:00 Helios de Rosario helios.derosa...@ibv.upv.es: El día 30/03/2014 a las 15:23, Si Qi L.

[R] Default argument not passed to subfunction when argument name matches default expression

2014-03-31 Thread Philippe Grosjean
Hello, I have difficulties to understand this one: foo - function (y = 2) { bar - function (y = y) y^2 bar() } foo() #! Error in y^2 : 'y' is missing foo(3) #! Error in y^2 : 'y' is missing Note that this one works: foo - function (y = 2) { bar - function (y = y) y^2 bar(y) #

[R] Setting Plot() Window Shape

2014-03-31 Thread Rich Shepard
I've read ?plot, ?plot.default, and ?plot.window to learn how to change the shape of the plot from a square to a rectangle. plot.window suggests that the aspect (asp) parameter is appropriate but that associates the x axis size to the value of the y axis and, plot.window suggests that it is

Re: [R] Default argument not passed to subfunction when argument name matches default expression

2014-03-31 Thread Duncan Murdoch
On 31/03/2014 10:40 AM, Philippe Grosjean wrote: Hello, I have difficulties to understand this one: foo - function (y = 2) { bar - function (y = y) y^2 bar() } foo() #! Error in y^2 : 'y' is missing foo(3) #! Error in y^2 : 'y' is missing This is simply a misunderstanding about

Re: [R] Default argument not passed to subfunction when argument name matches default expression

2014-03-31 Thread Tierney, Luke
Compiled code gives a better error message (not clear why the interpreter doesn't do this as well): cmpfun(foo)() Error in bar() : promise already under evaluation: recursive default argument reference or ear$ The environment in which default arguments are evaluated is the environment of the

Re: [R] Default argument not passed to subfunction when argument name matches default expression

2014-03-31 Thread Bert Gunter
Note that the fact that bar() is defined within foo() is irrelevant. ## At the top level/global prompt: y - 2 bar- function(y=y)y^2 bar() Error in y^2 : 'y' is missing ## but bar(y) [1] 4 This is due to lazy evaluation and promises: The formal argument y is not evaluated until it's used

Re: [R] Setting Plot() Window Shape

2014-03-31 Thread Rich Shepard
On Mon, 31 Mar 2014, Rich Shepard wrote: I've read ?plot, ?plot.default, and ?plot.window to learn how to change the shape of the plot from a square to a rectangle. plot.window suggests that the aspect (asp) parameter is appropriate but that associates the x axis size to the value of the y

[R] monthly sum

2014-03-31 Thread eliza botto
Dear useRs, I have the data of following format. I have only pasted some part of the data. The data starts from 1961 and ends up in december 1987. dat - read.table(text=Date A B C D1-Jan-61 0.00 1.27 8.128 0.252-Jan-61 6.10 9.144 94.742 15.493-Jan-61 0.00 0.508 1.27 0.004-Jan-61 0.00 0 NA

Re: [R] monthly sum

2014-03-31 Thread Rui Barradas
Hello, Maybe the following will do. library(zoo) ym - as.yearmon(dat$Date, %d-%B-%y) aggregate(dat[,-1], list(ym), FUN = sum, na.rm = TRUE) Also, please use dput() to post data examples. Hope this helps, Rui Barradas Em 31-03-2014 18:31, eliza botto escreveu: Dear useRs, I have the data

Re: [R] Please help

2014-03-31 Thread Zilefac Elvis
Thanks AK. Great job. I appreciate your effort. Atem. On Monday, March 31, 2014 11:28 AM, arun smartpink...@yahoo.com wrote: Hi, replace `lst2` with: #Subset of data lst1Sub - lapply(lst1Not1970,function(x) x[c(1:25, 18707:18708)]) lst2 - lapply(lst1Sub,function(x) {dateSite -

Re: [R] Setting Plot() Window Shape [RESOLVED]

2014-03-31 Thread Rich Shepard
On Mon, 31 Mar 2014, Rich Shepard wrote: What do I do to retain the specified width and height in the pdf output? Use the height and width options to pdf(). Thanks to Don McQueen for pointing me to the solution. Rich __ R-help@r-project.org

[R] NA to NA

2014-03-31 Thread eliza botto
Dear useRs, Sorry for such a ridiculous question but i really need to know that what is the difference between NA and NA and how to convert NA to NA. Thankyou very much in advance Eliza [[alternative HTML version deleted]]

Re: [R] monthly sum

2014-03-31 Thread eliza botto
Dear Rui, Thanks for your reply. But the command seems not to be working. I am getting the following error. Error in FUN(X[[1L]], ...) : invalid 'type' (character) of argument Any idea? :( Thanks, Eliza Date: Mon, 31 Mar 2014 18:48:08 +0100 From: ruipbarra...@sapo.pt To:

Re: [R] NA to NA

2014-03-31 Thread Marc Schwartz
On Mar 31, 2014, at 1:29 PM, eliza botto eliza_bo...@hotmail.com wrote: Dear useRs, Sorry for such a ridiculous question but i really need to know that what is the difference between NA and NA and how to convert NA to NA. Thankyou very much in advance Eliza NA

Re: [R] Default argument not passed to subfunction when argument name matches default expression

2014-03-31 Thread Gabor Grothendieck
On Mon, Mar 31, 2014 at 11:08 AM, Tierney, Luke luke-tier...@uiowa.edu wrote: The environment in which default arguments are evaluated is the environment of the function call itself, not the environment of the caller or the lexical enclosure (the same here). So the two 'y' used in function(y =

Re: [R] NA to NA

2014-03-31 Thread Bert Gunter
x - factor(c(whoops,NA,NA,B)) x [1] whoops NA NA B Levels: B NA whoops is.na(x) [1] FALSE FALSE TRUE FALSE If this doesn't explain it for you, then read about missing values and factors in An Introduction to R. -- Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374

[R] Fwd: rbind error - duplicated row.names not allowed

2014-03-31 Thread Jefferson Ferreira Ferreira
There are other issues here addressing the same question, but I don't realize how to solve my problem based on it. So, I have 5 data frames that I want to merge rows in one unique data frame using rbind, but it returns the error: Error in row.names-.data.frame(*tmp*, value = value) : 'row.names'

Re: [R] Please help

2014-03-31 Thread arun
Hi, replace `lst2` with: #Subset of data lst1Sub - lapply(lst1Not1970,function(x) x[c(1:25, 18707:18708)]) lst2 - lapply(lst1Sub,function(x) {dateSite - gsub((.*G.{3}).*,\\1,x); dat1 - data.frame(Year=as.numeric(substr(dateSite,1,4)),

Re: [R] monthly sum

2014-03-31 Thread Rui Barradas
Hello, Sorry, but I have no idea why the error message, with me it works correctly. Are you sure that the four columns A, B, C and D are numeric? What does str(dat) say? Rui Barradas Em 31-03-2014 19:40, eliza botto escreveu: Dear Rui, Thanks for your reply. But the command seems not to be

Re: [R] monthly sum

2014-03-31 Thread William Dunlap
Converting data from a non-R format to R's internal format is a common place to run into errors. Use the str() function to examine any data you read in to make sure R is seeing it the way that you expect. If that looks ok try using summary() or plot() for more checks that the data import went

Re: [R] monthly sum

2014-03-31 Thread eliza botto
Dear Rui, Here is the complete data. dput(dat) structure(list(Date = c(1-Jan-61, 2-Jan-61, 3-Jan-61, 4-Jan-61, 5-Jan-61, 6-Jan-61, 7-Jan-61, 8-Jan-61, 9-Jan-61, 10-Jan-61, 11-Jan-61, 12-Jan-61, 13-Jan-61, 14-Jan-61, 15-Jan-61, 16-Jan-61, 17-Jan-61, 18-Jan-61, 19-Jan-61, 20-Jan-61, 21-Jan-61,

Re: [R] monthly sum

2014-03-31 Thread Rui Barradas
Hello, You have several columns of class character that must be converted to numeric before the code I previously posted can work: dat[,-1] - lapply(dat[,-1], as.numeric) Then use aggregate(). Rui Barradas Em 31-03-2014 20:24, eliza botto escreveu: Dear Rui, I noticed that the previous

Re: [R] monthly sum

2014-03-31 Thread Rui Barradas
One more thing, as.yearmon considers dates such as 1-Jan-61 to be of year 2061 when they may be of year 1961. There's no problem with that if the only use for them is in aggregate(). Rui Barradas Em 31-03-2014 21:22, Rui Barradas escreveu: Hello, You have several columns of class character

Re: [R] Fwd: rbind error - duplicated row.names not allowed

2014-03-31 Thread Rolf Turner
On 01/04/14 05:42, Jefferson Ferreira Ferreira wrote: There are other issues here addressing the same question, but I don't realize how to solve my problem based on it. So, I have 5 data frames that I want to merge rows in one unique data frame using rbind, but it returns the error: Error in

Re: [R] regsubsets

2014-03-31 Thread Mohammad Ahmed
I would like to share the answer I have received from Thomas Lumley For models of the same size all those criteria reduce to picking the model with the smallest residual sum of squares, which is what the code does.    -thomas Thanks Bert and Dennis for the information but although it does not

[R] Label axis tick marks with a simple function of axis value

2014-03-31 Thread Hurr
How can I label existing axis tick marks with a simple function of axis value like 1/AxisValue? It seems like this should be an operation where I just use the formula. -- View this message in context:

Re: [R] Setting Plot() Window Shape

2014-03-31 Thread Jim Lemon
On 04/01/2014 02:42 AM, Rich Shepard wrote: On Mon, 31 Mar 2014, Rich Shepard wrote: I've read ?plot, ?plot.default, and ?plot.window to learn how to change the shape of the plot from a square to a rectangle. plot.window suggests that the aspect (asp) parameter is appropriate but that

Re: [R] Label axis tick marks with a simple function of axis value

2014-03-31 Thread Jim Lemon
On 04/01/2014 09:25 AM, Hurr wrote: How can I label existing axis tick marks with a simple function of axis value like 1/AxisValue? It seems like this should be an operation where I just use the formula. Hi Hurr, You can do this with boxed.labels (plotrix) if you know the position of the axis

[R] labelling a plot in binom library function call

2014-03-31 Thread Chris
Hi, I'm using  a function in the binom library. I'd like to add a title(s) to the plot generated by binom.bayes.densityplot. I get an error message when trying to use the title function The error message is: Error in title(main = my plot) : plot.new has not been called yet occurs after running

[R] grf in geoR

2014-03-31 Thread ioanna ioannou
Hello all, A simple question. When I use grf from the package 'geoR' , I adopt the exponential model. For this model is the parameter range in m or km? Best ioanna [[alternative HTML version deleted]] __ R-help@r-project.org mailing

[R] distribution modeling help

2014-03-31 Thread Timothy Yoo
Hi, I have some data from 1 year ago that is a measure of the number of days a person used a certain product. I used fitdist to build a mle for this data and got a pretty good fit. My issue is that this data is outdated. I have new data from Januarry of this year and would like to build a

Re: [R] grf in geoR

2014-03-31 Thread ioanna ioannou
Hello all, A simple question. When I use grf from the package 'geoR' , I adopt the exponential model. For this model is the parameter phi in m or km? Best ioanna [[alternative HTML version deleted]] __ R-help@r-project.org

[R] help with fitting a distribution

2014-03-31 Thread Timothy Yoo
Hi All, I am trying to model a set of data that's a little bit complicated. Let's say a person can live 365 more days from time t=0. I have data on 100 people, but I only know who died between day 0 and day 30. Everyone else would've died between days 31 and day 365. Is there any way to fit a

[R] Getting rid of spaces in plot math

2014-03-31 Thread Dennis Fisher
R 3.0.2 OS X Colleagues I am trying to label a graphic: Cortisol (µg/ml) A simplified version of the code is: plot(1) ; mtext(bquote(Cortisol (~mu~g/ml))) This code inserts spaces around the mu: Cortisol ( µ g/ml) How can I suppress those spaces? Dennis Dennis Fisher

Re: [R] Getting rid of spaces in plot math

2014-03-31 Thread arun
Hi, Try: mtext(bquote(Cortisol~(mu*g/ml)))  A.K. On Monday, March 31, 2014 10:05 PM, Dennis Fisher fis...@plessthan.com wrote: R 3.0.2 OS X Colleagues I am trying to label a graphic:     Cortisol (µg/ml) A simplified version of the code is:     plot(1) ; mtext(bquote(Cortisol (~mu~g/ml)))

[R] colors in violin plot, ggplot2

2014-03-31 Thread Monica Pisica
Hi, I am using ggplot and geom_violin to build a violin plot of some with only 2 categories. All is good except that I cannot set up the colors I want or the violin plots. Either I have same color for both my categories or colors from probably rainbow(2), which are red and blue. What if I