Re: [R] deldir package - voronoi

2007-08-13 Thread zubin
(ddd,wlines=tess) #play with colors *ccc - colors()[1:20] or ccc -heat.colors(20) or ccc -terrain.colors(20)* plot(ttt,polycol=ccc,close=T) Rolf Turner wrote: On 12/08/2007, at 1:22 PM, zubin wrote: Hello! I am using the deldir package to visualize my data, pretty neat. However, i need

[R] deldir package - voronoi

2007-08-11 Thread zubin
Hello! I am using the deldir package to visualize my data, pretty neat. However, i need to fill the colors using polycol =, fill with colors like a heatmap - more of a gradient fill. The only colors i get are very blocky - how do i assign the correct colors for a gradient, even a

[R] R contractor Needed - Atlanta GA

2006-09-24 Thread zubin
and can work on this for 2-3 months. -zubin __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained

[R] lasso for variable selection

2006-08-12 Thread zubin
in predicting change of a Y variable. -zubin __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained

[R] proc standardize data frame x and y

2006-08-12 Thread zubin
Hello! i know these are basic but i cannot seem to find the answer thru my searches.. 1) Can someone recommend an equivalent to SAS PROC Standardize in R? I am in need to frequently standardize a data frame, with z-scores, or squash to 0-1 scale - is there a slick function or package someone

[R] zero values in LHS and RHS

2006-08-01 Thread zubin
handle zeros on the LHS and RHS. i guess my question is fitting a poisson GLM, are zeros allowed? If so, how is this estimated with a log link function? -zubin __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE

[R] voronoi tessellations

2006-07-18 Thread zubin
Hello, looking to draw a voronoi tessellations in R - can anyone recommend a package that has tackled this? some background: i have a economic data set and created a sammons projection, like to now overlay a voronoi tessellation over the sammons 2-D solution for a slick visual, and

[R] Data Manipulations - Group By equivalent

2006-07-01 Thread zubin
to consolidate the monthly records using an average into 1000 occupancy numbers - just a simple average of the 12 months by hotel. In SQL this operation is pretty easy, a group by query (group by hotel where year = 2005, avg occupancy) - how is this done in R? (in R language not SQL). Thx! -zubin

[R] R Reporting - PDF/HTML mature presentation quality package?

2006-06-24 Thread zubin
Hello, searching for the key packages so i can output, Text, Tables ,and Graphics into a HTML or PDF report - have R create these reports in an easy and efficient way without LaTeX - I have searched the R pages but don't see any mature packages - anyone have any advice on a easy to use R

[R] R Training in the USA

2006-06-20 Thread zubin
Hello - need advice on a company or individual who will offer custom training in R in Atlanta Georgia. Specifically need training on data manipulations (equivalent to SAS data steps in R) and R Graphics. Does anyone know folks who train on R or any Firms? Google searches are coming up

[R] bayesian belief networks to determine causality

2006-05-18 Thread zubin
Hello, does R estimate belief networks to estimate chains of causality. Anyone point me to the right direction, or the most developed library? looking at DEAL __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help

[R] random coefficients in R - simultaneity in panel data

2005-02-11 Thread zubin
hello - using SAS proc mixed to estimate random coefficients - R has a similar command. However, i need to estimate random coefficients when there exists Simultaneity bias in the cross sectional time series panels - specifically Simultaneity, endogeneity, and lagged dependent variables in

RE: [R] JDBC DB access in R

2004-10-23 Thread zubin
3:03 AM To: zubin Cc: [EMAIL PROTECTED] Subject: Re: [R] JDBC DB access in R The J is for Java (I presume, you did't actually say), and R is written in C. So `all' you need to do is to call a Java wrapper from R and call JDBC from that. I believe it has been done via RSJava. But if all you

[R] JDBC DB access in R

2004-10-22 Thread zubin
Hello, i see packages referencing using ODBC access to databases via R, are there any packages that use JDBC to submit SQL to a database and return into a data frame? -zubin __ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r

[R] r dev site is down

2004-05-02 Thread zubin
the R developer site has been down for some time, what gives? http://developer.r-project.org/ __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide!

RE: [R] multi-user engine

2004-04-21 Thread zubin
To: Barry Rowlingson Cc: zubin; [EMAIL PROTECTED] Subject: Re: [R] multi-user engine Barry Rowlingson [EMAIL PROTECTED] writes: A.J. Rossini wrote: zubin [EMAIL PROTECTED] writes: I am presently a SAS user and wanted to configure R to work in a multi-user enteprise environment. Client

[R] multi-user engine

2004-04-20 Thread zubin
they can share to help me get jump-started on setting up R in this environment? Does each user have their own worksession with the serving executing the submitted R code? Has it been done, any feedback? thx in advance.. -zubin __ [EMAIL PROTECTED