search for: liuwensui

I remember in one slide of Prof. Ripley's presentation overhead, he said the most popular data analysis software is excel. So is there any resource or tutorial on this topic? Thank you so much!

I really have headache when I do google search for information about "R". Any tricks or tips? thx.

Right now, I am using SAS and S+/R. As a new year resolution, I am planning to learn a scripting language. from statisticians' point of view, which scripting language is worth to learn, perl, python, or any other recommendation? (Most likely, I will be learning it in windows.) Since I am not in research, I will prefer one widely used in industry and related to statistical work. if you

Dear All, Monthly and Quarterly ts obj. is easy to understand. But I couldn't find an example in R manual how to create daily or weekly ts object. Could you please shed some light on it? I really appreciate it.

Sometimes, it is too costly to read the whole data file into R. I am looking for solution in scan() and read.Lines() but don't they work. Thank you so much! -- ============================== WenSui Liu Acquisition Risk, Chase Blog : statcompute.spaces.live.com Tough Times Never Last. But Tough People Do. - Robert Schuller

Good morning, dear listers I am wondering if you could recommend a good tutorial / book for r scripting. thank you so much in advance! WenSui Liu Credit Risk Manager, 53 Bancorp wensui.liu at 53.com 513-295-4370

I checked GlmmML package. However, it can only do binomial and poisson distribution. How about others such as gamma or neg binomial? Thank you so much! wensui

i am just wondering if there is an effective way to include other external codes into the program. thanks. [[alternative HTML version deleted]]

Dear Lister, plot() is using the data range as the default limits of yaxis. Is there any way I can change the limits? I just look at the help of plot() and par() and couldn't find answers. Thanks. -- WenSui Liu (http://spaces.msn.com/statcompute/blog) Senior Decision Support Analyst Health Policy and Clinical Effectiveness Cincinnati Children Hospital Medical Center

Dear Listers, Is there any good paper about how to use R together with VB? Thank you so much! -- WenSui Liu (http://statcompute.blogspot.com) Senior Decision Support Analyst Cincinnati Children Hospital Medical Center [[alternative HTML version deleted]]

Good morning, everyone, I am sorry for this off-topic post but think I can get great answer from this list. My question is what is the best OS on PC (laptop) for statistical computing and why. I really appreciate your insight. Have a nice day.

Dear Listers, I've been a big fan of R since graduate school. After working in the industry for years, I haven't had many opportunities to use R and am mainly using SAS. However, I am still forcing myself really hard to stay close to R by reading R-help and books and writing R code by myself for fun. But by and by, I start realizing I have hard time to keep up with R and am afraid that I

Hi R-experts, I have data from four conditions of an experiment. I tried to create four subsets of the data with read.table, for example, read.table("Experiment.csv",subset=(condition=="1")) . I found a similar post in the archive, but the answer to that post was no. Any new ideas about reading subsets of data with read.table? Thanks! Feng [[alternative HTML version

...gt; > and > > http://www.stat.uiowa.edu/~jcryer/JSMTalk2001.pdf > > > > Greg Snow, Ph.D. > > Statistical Data Center, LDS Hospital > > Intermountain Health Care > > greg.snow at ihc.com > > (801) 408-8111 > > > > >>> Wensui Liu <liuwensui at gmail.com> 07/19/05 03:22PM >>> > > I remember in one slide of Prof. Ripley's presentation overhead, he > > said the most popular data analysis software is excel. > > > > So is there any resource or tutorial on this topic? > > > > Thank you...

Dear Listers, I know it is far off topic. But I do know there must be some people here who know it very well. Sorry for bothering others. Thanks. -- WenSui Liu, MS MA Senior Decision Support Analyst Division of Health Policy and Clinical Effectiveness Cincinnati Children Hospital Medical Center

Dear Listers, I have 2 questions regarding xml. 1) how to read/write tables in xml? 2) compared with csv, is xml a better way to transfer data cross systems/applications? Thank you so much for your insight. -- WenSui Liu (http://statcompute.blogspot.com) Senior Decision Support Analyst Health Policy and Clinical Effectiveness Cincinnati Children Hospital Medical Center [[alternative HTML

Using forecast package. http://www-personal.buseco.monash.edu.au/~hyndman/Rlibrary/forecast/ Best Regards. Message: 50 Date: Thu, 18 May 2006 18:50:15 -0400 From: "Wensui Liu" <liuwensui en gmail.com> Subject: To: Michael <comtech.usa en gmail.com> Cc: R-help en stat.math.ethz.ch Message-ID: <1115a2b00605181550i1e718124p3ec01f4f70ed9f02 en mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed what is your criterion of 'best arima'? th...

Dear Lister, If I have a list of number, say x<-c(0.1, 0.5, 0.6...), how to use a for() to loop through each number in x one by one? Thank you so much! wensui [[alternative HTML version deleted]]

Dear Lister, Is there a way to create many objects with sequencial names, say lm1, lm2...lm100? Thanks.

Dear Listers, If I have several glm objects with names glm1, glm2.... and want to apply new data to these objects. Instead of typing "predict(glm1, newdata)..." 100 times, is there way I could do so in a loop? Thank you so much! wensui [[alternative HTML version deleted]]