[R] alternatives to mosiac plots and ?3D? mosiac plots

i had some great success with mosiacplots... http://stat.ethz.ch/R-manual/R-patched/library/graphics/html/mosaicplot.html http://stat.ethz.ch/R-manual/R-patched/library/graphics/html/mosaicplot.html ...does anyone know of any other hidden gems out there that allow you to examine the relationshi

[R] Whats happening to the forum???

Whats happening? everthings changing round here...plus alot less posts/users.. -- View this message in context: http://n4.nabble.com/Whats-happening-to-the-forum-tp913858p913858.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r

Re: [R] Whats happening to the forum???

im confused, everytime i try to get to the old forum i get redirected here though??? i dont know why. Sharpie wrote: > > > DispersionMap wrote: >> >> Whats happening? everthings changing round here...plus alot less >> posts/users.. >> > > R-Help is

Re: [R] Whats happening to the forum???

being updated or something like that. When i type in http://old.nabble.com/ then click I get redirected to... R http://n4.nabble.com/R-f789695.html ...?? David Winsemius wrote: > > > On Nov 28, 2009, at 12:26 PM, DispersionMap wrote: > >> >> Wha

[R] column of dates into time series

i have a column of dates in this format: data[,"Raised.Date"] <- as.Date(data[,"Raised.Date"], "%d/%m/%Y"); data[1:10,"Raised.Date"] [1] "2006-07-07" "2006-07-07" "2006-04-03" "2006-04-03" "2006-04-03" "2006-04-03" "2006-04-03" "2006-04-03" "2006-04-03" "2006-04-03" I can turn them into months

Re: [R] column of dates into time series

nstead. >> >> On Sun, Nov 29, 2009 at 8:44 PM, DispersionMap > > wrote: >>> >>> i have a column of dates in this format: >>> >>> data[,"Raised.Date"] <- as.Date(data[,"Raised.Date"], "%d/%m/%Y"); >>> dat

Re: [R] column of dates into time series

;, "2006-10-09", "2007-02-12", "2007-03-26", "2007-07-09", "2007-11-05", "2008-02-25", "2008-09-08", "2009-08-10", "2008-09-15", "2009-06-08", "2006-05-15", "2007-07-02", "

Re: [R] Learning R

Data Analysis and Graphics Using R - An Example-Based Approach John Maindonald and John Braun 2nd edn, Cambridge University Press, January 2007 susan jacobs wrote: > > Hi, > > im working in R but honestly i don t know how to apply the formulas in my > problem, can someone give some help?

[R] Ggplot2: Elegant Graphics for Data Analysis (Use R) (2009 Paperback)

Is this book worth its dollar? If so, why?, if not, why not? Cheers. -- View this message in context: http://n4.nabble.com/Ggplot2-Elegant-Graphics-for-Data-Analysis-Use-R-2009-Paperback-tp931702p931702.html Sent from the R help mailing list archive at Nabble.com.

[R] categorical vs numerical

What ways are there to plot categorical vs numerical data in R. I have two columns: one with categorical data in 5 categories a,b,c,d,e, and a numerical column with integers between 1 and 100. I have used a boxplot with a,b,c,d,e on the x-axis and an increasing numerical scale on the y-axis. T

Re: [R] categorical vs numerical

ld use jittered stripcharts. > They're more informative than boxplots and much less subject to > misinterpretation. One warning, I'm not fond of the default pch=0. > > -Peter Ehlers > > DispersionMap wrote: >> What ways are there to plot categorical vs numerical data in

Re: [R] categorical vs numerical

ould try density plots: >> If dat is your dataframe, y is your numerical vector and >> g is your factor, >> >> library(lattice) >> trellis.device(height=9, width=7) >> densityplot(~g|y, data=dat, plot.points=FALSE, layout=c(1,4)) >> >> See ?densityplot

Re: [R] categorical vs numerical

im using w7 ultimate Peter Ehlers wrote: > > pkg:lattice is installed as part of the base R distribution. > You don't need to install it. > > DispersionMap wrote: >> Thanks, ill give them whirl...when i was installing the lattice package i >> got >> the

[R] symbols plots - with circles

Im doing a plot where i look at clusters of data with circles indicating how big the cluster is: palette(rainbow(1000, end = 0.9)) symbols(data$lab, data$bak, circles = var21, main = "Circles Plot", fg = "grey", bg = 1:1000) As i have lots and lots of data points to plot i get alot of circles.

[R] forecasting

I have some data that i ran a regression on and got the usual r output, with the a intercept and b coefficient for my independent variable. i want to forecast the number of future events using these parameters. What function / packages in R would you recommend to be used in good effect for the

Re: [R] forecasting

ict > > HTH > Stephan > > DispersionMap schrieb: >> >> I have some data that i ran a regression on and got the usual r output, >> with >> the a intercept and b coefficient for my independent variable. >> >> i want to forecast the number of futur

Re: [R] forecasting

What about validating forecasting results. I have 5 years of data and have been forecasting the following three years i.e. 2010 to 2012. How can i check my forecast. Why types of tests are out there that can be implemented in R?? -- View this message in context: http://n4.nabble.com/forecasti

Re: [R] forecasting

Very good patrick, lol. does anyone have any useful ideas Patrick Burns wrote: > > DispersionMap wrote: >> >> What about validating forecasting results. I have 5 years of data and >> have >> been forecasting the following three years i.e. 2010 to 2012. >

[R] testing the fit of a regression and comparing regressn models

I got the usual regression output from a model i did in R. Im looking for alternative test criteria that can be done in R which are not in the standard lm output. I need to: a) asses the fit of a logistic regression model and of a linear regression model b) compare the fit of models against

[R] Logistic regression

can you do Logistic regression in R, if so how do you do it and how do you test the fit of a model? -- View this message in context: http://n4.nabble.com/Logistic-regression-tp1059870p1059870.html Sent from the R help mailing list archive at Nabble.com. _

Re: [R] testing the fit of a regression and comparing regressn models

anyone? -- View this message in context: http://n4.nabble.com/testing-the-fit-of-a-regression-and-comparing-regressn-models-tp1055033p1101383.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://st

[R] weighted least squares vs linear regression

I need to find out the difference between the way R calculates weighted regression and standard regression. I want to plot a 95% confidence interval around an estimte i got from least squares regression. I cant find he documentation for this ive looked in ?stats ?lm ?predict.lm ?weights ?res

Re: [R] weighted least squares vs linear regression

sorry, i ommited some important information. this is a documentation question! i meant to ask how to find out how R calculates the standard error and how it differs between the two models -- View this message in context: http://n4.nabble.com/weighted-least-squares-vs-linear-regression-tp13879