Re: [R] how to select an element from a vector based on a probability

- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Nordlund, Dan (DSHS/RDA) Sent: 10. april 2014 22:04 To: Simone Gabbriellini; Rui Barradas Cc: r-help@r-project.org Subject: Re: [R] how to select an element from a vector based on a probability

[R] how to select an element from a vector based on a probability

-- - Simone Gabbriellini, PhD Post-doctoral Researcher ANR founded research project DIFFCERAM GEMASS, CNRS Paris-Sorbonne. mobile: +39 340 39 75 626 email: simone.gabbriell...@cnrs.fr __ R-help@r-project.org mailing list https

Re: [R] how to select an element from a vector based on a probability

Hello, Rui, it does, indeed! thanks, Simone 2014-04-10 20:55 GMT+02:00 Rui Barradas ruipbarra...@sapo.pt: Hello, Use ?sample. sample(x, 1, prob = x) Hope this helps, Rui Barradas Em 10-04-2014 19:49, Simone Gabbriellini escreveu: Hello List, I have an array like: c(4, 3, 5, 4

[R] a problem with table() and duplicates

Dear List, I have a data.frame like this: name religion neighbor religion.neighbor pippo a minnie a pluto a mickey a paperino b donald a paperino b minnie b when I table(dataframe$religion) my data.frame, I get a b 2 2 of course, paperino is cited twice but should be counted once. Is there

Re: [R] a problem with table() and duplicates

, 2014 at 11:04 AM, Simone Gabbriellini simone.gabbriell...@gmail.com wrote: Dear List, I have a data.frame like this: name religion neighbor religion.neighbor pippo a minnie a pluto a mickey a paperino b donald a paperino b minnie b when I table(dataframe$religion) my data.frame, I get

Re: [R] help with plotmeans (gplots)

) - David L Carlson Associate Professor of Anthropology Texas AM University College Station, TX 77840-4352 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Simone Gabbriellini Sent: Wednesday, June 26, 2013 10:20 AM To: r-help@r

[R] help with plotmeans (gplots)

plotmeans, but I am unable to understand the syntax I should use. I tried: times-as.factor(seq(1,15)) plotmeans(data~times) with no luck... what should I tell to plotmeans in order to evaluate my dataset? Best regards, Simone -- Simone Gabbriellini, PhD PostDoc@DISI, University of Bologna

[R] how to set the row name of a specific row

Hello, I am adding rows to a matrix using rbind() and I would like to also add a row name to the added row in order to do some sorting after the adding rows part is finished. is this possible? Best, Simone -- Simone Gabbriellini, PhD PostDoc@DISI, University of Bologna mobile: +39 340 39 75

Re: [R] how to set the row name of a specific row

10:58, Simone Gabbriellini escreveu: Hello, I am adding rows to a matrix using rbind() and I would like to also add a row name to the added row in order to do some sorting after the adding rows part is finished. is this possible? Best, Simone -- Simone Gabbriellini, PhD PostDoc

[R] how to measure similarity between vectors of different length

by each random vectors. I am not a statistician, and I think that this solution may already have been implemented in R, but I do not know where to search for this, so I do welcome every suggestion/advice you might give me. Best regards, Simone -- Simone Gabbriellini, PhD PostDoc@DISI, University

[R] how to setdiff on lists of lists

aa back as result. Could you please point me in the right direction about the combination of functions that I need to accomplish this task? Best regards, Simone -- Simone Gabbriellini, PhD PostDoc@DISI, University of Bologna mobile: +39 340 39 75 626 email: simone.gabbriell...@unibo.it home

[R] how to

in listOfLists){ print(mean(graph.knn(g, i)$knn)) } Is there any way to convert this in a one-liner? I have tried to figure it out with lapply() or mapply() but with no success. Thank you in advance for your help. Simone -- Simone Gabbriellini, PhD PostDoc@DISI, University of Bologna mobile: +39

Re: [R] how to

] On Behalf Of Simone Gabbriellini Sent: Friday, February 01, 2013 12:54 PM To: r-help@r-project.org Subject: [R] how to Dear List, I have a list of lists and on each list I want to apply a function from the igraph package, graph.knn. I need to calculate graph.knn for each list on a graph g

Re: [R] Odds Ratio and Logistic Regression

Took some googling, but it was worth it! :) Best, Simone Sent from my iPhone. Please excuse brevity and odd typos Il giorno 30/dic/2012, alle ore 19:44, Bert Gunter gunter.ber...@gene.com ha scritto: Are you learning the ropes or on the ropes? __

Re: [R] Change boxplot color

Thanks! I missed that argument... :) 2012/9/22 Bert Gunter gunter.ber...@gene.com: ?boxplot ... and note the border argument -- Bert On Fri, Sep 21, 2012 at 6:57 PM, Simone Gabbriellini simone.gabbriell...@gmail.com wrote: Hello, I would like to change the color of the borders of my

[R] Change boxplot color

Hello, I would like to change the color of the borders of my boxplot. Using col= I am able only to change the inside background of the boxplot, while I would like to have it transparent andchange the border instead. Any hint aamore than welcome, Best, Simone Inviato da iPhone

[R] wireframe and par(mfrow)

(rank)-c(.25,0.50,0.75,1.00) wireframe(rank, scales=list(arrows=FALSE), drape=TRUE, colorkey=TRUE, xlab=η, ylab=π,zlab=corr, screen = list(z = 45, x = -70), zlim=c(0,1), main=Rank) } dev.off() any help more than welcome... best regards, Simone -- Dr. Simone Gabbriellini DigitalBrains srl

Re: [R] wireframe and par(mfrow)

Thanks a lot for pointing me to that! Best, Simone 2012/5/7 David Winsemius dwinsem...@comcast.net: On May 7, 2012, at 7:15 AM, Simone Gabbriellini wrote: Hello List, I have some plots with the wireframe() function, and I'd like to display them in a single jpeg file. I know that par(mfrow

[R] zero fill empty cell in data.frame

Hello List, I have a data frame like: V130V131V132V133V134V135V136 1 0 0 0.9 0 0.9 0 0 2 0 0 0 0 0

[R] how to simplify a data.frame and add the counts of duplicate rows as a new column

Hello List, I would like to simplify a data.frame like this columnA columnB user10 proj12 user10 proj19 user10 proj12 into something like: columnA columnB columnC user10 proj12 2 user10 proj19 1 I know unique() can simplify the

Re: [R] how to simplify a data.frame and add the counts of duplicate rows as a new column

) ) Scott On Wednesday, March 2, 2011 at 9:10 AM, Simone Gabbriellini wrote: Hello List, I would like to simplify a data.frame like this columnA columnB user10proj12 user10proj19 user10proj12 into something like: columnA columnB columnC user10

[R] fit a distribution

hello list, I have this array of distribution of frequencies: freq-c(45,18,10,8,13,5,9,3,4,1,2,2,2,3,4,4,1,1,2,1,2,1,1,1,1,1,2,3,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1) for this array of values:

Re: [R] how to invert the axes in the wireframe() plot

, alle ore 01.26, David Winsemius ha scritto: On Jan 3, 2011, at 7:07 PM, Simone Gabbriellini wrote: I am trying to reproduce this graph: http://www.digitaldust.it/materiali/their.png the default axes orientation of wireframe gives me this: http://www.digitaldust.it/materiali/mine.pdf

[R] how to invert the axes in the wireframe() plot

Dear List, I am using the wireframe function in the lattice package, and I am wondering if it is possible to invert the default axes orientation for x and y axes... what parameter should I look for? Best regards, Simone Gabbriellini __ R-help@r

Re: [R] how to invert the axes in the wireframe() plot

Il giorno 03/gen/2011, alle ore 23.45, David Winsemius ha scritto: On Jan 3, 2011, at 5:06 PM, Simone Gabbriellini wrote: Dear List, I am using the wireframe function in the lattice package, and I am wondering if it is possible to invert the default axes orientation for x and y axes

[R] boxplot of timeseries with different lengths

the tabled observations to the same length, in order to put them into a data frame? thanks in advance for any advice. best regards, Simone Gabbriellini __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

[R] subset a data.frame

07:18:36', but I have no idea about the sintax to do that. is something like this close to the correct way: active-data4['time'= as.POSIXct(2010-01-05 07:18:36, origin=1970-01-01 00:00:00-00)] thanks in advance for any help. best regards, Simone Gabbriellini

Re: [R] subset a data.frame

many thanks, works perfectly! best, Simone Il giorno 02/nov/2010, alle ore 17.17, David Winsemius ha scritto: On Nov 2, 2010, at 11:53 AM, Simone Gabbriellini wrote: Hello List, this should be simple, but cannot figure it out. I am trying to subset a data.frame like this: data4

[R] how to connect to a remote PostgreSQL database from R on mac osx

with it. For sure I can connect to remote server with RODBC, but since I am on a Mac OSX 10.6, I have quite difficulties to find ODBC drivers and compile them. Any advice is more than welcome. best regards, Simone Gabbriellini __ R-help@r-project.org mailing list

[R] how to simplify a table

Hello List, as a result of a table(), I have this: 0 1 3 4 5 6 7 9 11 12 13 14 16 17 18 19 20 21 22 24 27 28 27 2 2 2 2 2 1 2 1 3 2 1 2 1 1 3 1 1 1 2 1 1 I would like to simplify it by grouping like: 0 0-5 6-10 11-15 16-20 21-25 26-30 25 84

Re: [R] eps file with embedded font

(), or with ghostscript when executing the command generated by embedFonts(), or with both. I shal descibe the results of my esperminets, in the hope that some expert in embedFonts(), or in ghostscript, or in both, can make a useful suggestion. On 04-Sep-09 14:01:44, Simone Gabbriellini wrote: Dear list, I am trying

[R] eps file with embedded font

Dear list, I am trying to make eps file with embedded font. I use: postscript(ranking-exp-all.eps, horizontal=TRUE, onefile=FALSE, paper=special, height=8, width=12, family=Helvetica) # plot stuff dev.off() since R does not embed font, I then use: embedFonts(file=indegdistr.eps,

Re: [R] eps file with embedded font

thanks Jonathan, I was wondering about the difference between your second option and the Ted one: isn't it the same thing? regards, Simone 2009/9/4 Jonathan Baron ba...@psych.upenn.edu: A couple of other ideas about embedding fonts and setting bounding boxes.  These all work on Linux, so in

Re: [R] eps file with embedded font

, Simone Gabbriellini wrote: Dear list, I am trying to make eps file with embedded font. I use: postscript(ranking-exp-all.eps, horizontal=TRUE, onefile=FALSE, paper=special, height=8, width=12, family=Helvetica) # plot stuff dev.off() since R does not embed font, I then use: embedFonts

[R] Fwd: eps file with embedded font

-- Forwarded message -- From: Jonathan Baron ba...@psych.upenn.edu Date: 2009/9/4 Subject: Re: [R] eps file with embedded font To: Simone Gabbriellini simone.gabbriell...@gmail.com On 09/04/09 17:16, Simone Gabbriellini wrote: thanks Jonathan, I was wondering about

[R] how to estimate distribution?

Dear R-Experts, I have an empirical dataset with 150 subjects for 24 observations. In each observation, each subject can have a score in the range 0:3. I made then a simple index making the sum of the values in each row, so each subject have a score between 0 and 72. I was thinking about what

[R] simple question with table()

Dear List, my problem should be easy to fix, but I couldn't find a solution by myself... In my survey, there is a question with 14 possible answers. None of the respondents choose the 13th answer, so when I table() the results, R says: 1 2 3 4 5 6 7

[R] barplot labels

Dear List, is it possible to plot vertical labels under vertical bars? for vertical labels I mean to rotate 90 degrees horizontal labels I suppose yes, because if excel can do this, R should do it twice better... thank you, Simone __

[R] Fwd: simple question with table()

, Nov 30, 2008 at 5:05 AM, Simone Gabbriellini [EMAIL PROTECTED] wrote: Dear List, my problem should be easy to fix, but I couldn't find a solution by myself... In my survey, there is a question with 14 possible answers. None of the respondents choose the 13th answer, so when I table

Re: [R] about centralization

Weijia, if you only need degree centralization, Gabor suggests me those lines of code and they work great: ## undirected graph centralization-(sum(max(degree(g))-degree(g)))/(vcount(g)-1)/ (vcount(g)-2 ## directed graph centralization-(sum(max(degree(g))-degree(g)))/(2*vcount(g)-1)/

[R] how to select cases based on value of one or more variables

dear list, I have read a spss file with read.spss() now I have a list with all my variable stored as vectors. is it possible to selec cases based on the value of one or more variables? thank you, Simone __ R-help@r-project.org mailing list

Re: [R] how to select cases based on value of one or more variables

also suggest reading some of the documentation available from the R website (CRAN), notably, An Introduction to R. -Don At 9:36 PM +0100 11/30/08, Simone Gabbriellini wrote: dear list, I have read a spss file with read.spss() now I have a list with all my variable stored as vectors

Re: [R] how to select cases based on value of one or more variables

, Sex == 1) If you would rather keep the data as a list you could do something like lapply(students, function(x) x[students$Sex == 1]) hth, Kingsford Jones On Sun, Nov 30, 2008 at 2:15 PM, Simone Gabbriellini [EMAIL PROTECTED] wrote: sorry for my bad presentation... read.spss gives me

Re: [R] Agent-based social simulation and R

too), you can simply handle it via RPy. I've learned this strategy from Pietro Terna - http://web.econ.unito.it/terna/ hope it helps, Simone Gabbriellini Il giorno 07/nov/08, alle ore 13:06, Tom Backer Johnsen ha scritto: Do anyone know anything about the use of R for agent-based social

[R] cohesive blocks.. again

hello, I have a last question on cohesive blocks: if there are multiple links between some nodes in the graph, this is taken into account by cohesive blocks? or the multiple links are simply ignored? thank you, Simone __ R-help@r-project.org

Re: [R] how to interpolate a plot with a logistic curve

Dear Christian, it works great, and it is simple to understand, thank you very much. just a detail, is it possible to plot just the fitted curve and not the data? it's because I would like to have data in black and the fitted curve in red.. I don't know how to pick up the single parts, if

Re: [R] how to interpolate a plot with a logistic curve

Dear Christian, it works great, and it is simple to understand, thank you very much. just a detail, is it possible to plot just the fitted curve and not the data? it's because I would like to have data in black and the fitted curve in red.. I don't know how to pick up the single parts, if

[R] how to interpolate a plot with a logistic curve

hello, I have this simple question. This is my dataset size 1 57 2 97 3 105 4 123 5 136 6 153 7 173 8 180 9 193 10 202 11 213 12 219 13 224 14 224 15 248 16 367 17 496 18 568 19 618 20