jeremy.miles's articles:

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Re: SPSS vs SAS #2 0 194 (3/5/2010 9:37:44 PM) comp.soft-sys.sas On 5 March 2010 12:38, Joe Matise wrote: > File size issues rather depends on what you're doing with it, I would > imagine. SPSS unless i'm mistaken loads the file into memory, while SAS > only does that... jeremy

Re: Multicollinearity problem #11 0 48 (2/24/2010 11:11:54 PM) comp.soft-sys.sas As I've already said, you can find the determinant by pasting your correlation matrix into Excel (or OpenOffice Calc) and using the mdeterm() function. In most programs, if you run an exploratory factor analys... jeremy

Re: Multicollinearity problem #8 1 34 (2/24/2010 7:22:08 PM) comp.soft-sys.sas OK, that's weird then. I'd like to know the determinant of your matrix, to see if it's very, very low (like 0.0000000001), 0, or negative. Also, do you have missing data? Jeremy On 24 February 2010 09:50, ... jeremy

Re: Multicollinearity problem #7 1 32 (2/24/2010 4:52:16 PM) comp.soft-sys.sas Hayden Multilcollinearity means two very closely related things. The first is high correlations (or multiple correlations) amongst your variables. This is a problem in that your standard errors will be infl... jeremy

Re: Multicollinearity problem #5 1 49 (2/23/2010 10:56:08 PM) comp.soft-sys.sas You've got a problem in your data that you need to fix. Either you're very, very unlucky, or you've made a mistake somewhere. The most common cause of this error is that you have one variable that is the sum ... jeremy

Weird problem with ODS PDF - searching within PDF doesn't work 0 32 (2/19/2010 6:02:27 PM) comp.soft-sys.sas Hi All, I've got a weird problem, which might be SAS 9.2 (windows) only. I output a PDF file (using ODS PDF), then I search in the PDF using find, in either acrobat reader or a 3rd party reader. But I don't f... jeremy

Re: multilevel modeling 1 204 (1/17/2010 3:07:10 AM) comp.soft-sys.sas If the data have three levels (e.g. children in classes in schools) you need to incorporate those three levels to get correct parameter estimates. You can't just ignore one. However, you can collapse to t... jeremy

Re: Loop within a Proc Mixed or Proc Autoreg statement #2 0 39 (12/16/2009 6:09:30 PM) comp.soft-sys.sas This web page describes how to do this pretty clearly: http://www.ats.ucla.edu/stat/SAS/seminars/sas_macros_introduction/default.htm You need the section titled: A macro program for repeating a procedure mult... jeremy

Re: Predicted probabilities in GLIMMIX #2 0 31 (12/11/2009 9:50:07 PM) comp.soft-sys.sas Thanks Dale, that makes sense. In my real example, the predicted probabilities weren't just a little off, they were way, way off - but now I understand why - my outcome was smoking at different ages for indivi... jeremy

Predicted probabilities in GLIMMIX 3 376 (12/10/2009 6:43:08 PM) comp.soft-sys.sas Hello everyone, I'm calculating predicted probabilities for a logistic regression model in GLIMMIX, and there's something I don't understand (and can't work out). My predicted probabilities (based either ... jeremy

jeremy.miles's replies:

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Need basic information on SAS 4 25 (6/12/2007 2:45:33 PM) comp.soft-sys.sas Hi, I would like to learn sas and need more information on the same, is there a link where i can get some manuals/pdf files on the same. Regards Hipul ... hipull (2)

SAS vs STATA 4 45 (6/27/2007 2:48:06 PM) comp.soft-sys.sas Hi, all Is there anybody have experience of both SAS and STATA? Since there is a potential probability that our company may switch from SAS to STATA, I want to know the strength and weakness of STATA. I have ... jieli20 (17)

Proc mixed #10 2 41 (7/2/2007 5:37:49 PM) comp.soft-sys.sas SAS-L Users, I have a panel dataset of firm-year observations. Because observations from the same firm may be correlated I am using random effects. To give you some background on my data/scope of the study...I... pk263021 (1)

extract those rows that contain a specific string 5 32 (7/5/2007 6:44:05 PM) comp.soft-sys.sas I have a database I am trying to analyze. I would like to extract those rows where the variable "label" contains the string exerc. Below is my (quite pathetic) attempt to do so. I would need a much more flexib... gerard_faurejr (1)

memory question 2 38 (7/7/2007 11:28:59 PM) comp.soft-sys.sas I'm running proc mixed on a dataset with only 22000 observations. A simple model with only one variable in level 1 and random intercept at level2. But SAS keeps giving me "out of memory" warning. I found many ... lee.kitty (84)

Factor analysis in SAS vs. SPSS 2 53 (7/12/2007 10:02:29 PM) comp.soft-sys.sas Hi everyone, I am working to construct a household wealth index using data from the Demograhpic and Health Surveys. In a methodology conceived by the World Bank, dichotomous indicators of the posession of hou... maren.jimenez (2)

2000 variables PCA and Corr procedure 3 13 (6/7/2009 6:20:56 PM) comp.soft-sys.sas Hi all, I'm intrested in running a PCA and Corr procedure on a data set of about 2000 variables. Should this be possible? I keep getting the following message : Window is full and must be cleared. Select F to... talila.ar (28)

Converting SAS Code to Stata 3 229 (12/7/2009 8:01:06 PM) comp.soft-sys.sas Hello All, Is there a way to convert a SAS code into Stata? I have about 500 lines of SAS code that I would to convert into Stata. I appreciate any of your suggestions. ... okie_dude2003 (6)

Predicted probabilities in GLIMMIX 3 376 (12/10/2009 6:43:08 PM) comp.soft-sys.sas Hello everyone, I'm calculating predicted probabilities for a logistic regression model in GLIMMIX, and there's something I don't understand (and can't work out). My predicted probabilities (based either ... jeremy.miles (78)

Loop within a Proc Mixed or Proc Autoreg statement 5 317 (12/16/2009 5:32:19 PM) comp.soft-sys.sas Hello, I have a spreadsheet of time series data. I have the returns of 25 different indices. And I want to do a AR 1 model of the market returns (var y) against each of the 25 portfolios. I am using a Pr... SAS