NOTE:  Remote statistical consulting is restricted to researchers currently affiliated with UCLA. Non-UCLA researchers who enter the meeting room will be permanently removed. Remote consulting is available at these days/times: …
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Introduction The purpose of this workshop is to highlight statistical methods that are (relatively) easy to do with unweighted data and are (relatively) more difficult to do with weighted data. …
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Description: Regression models for data with a count outcome is part of the family of generalized linear models. This workshop is designed to give an overview on regression model with…
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Purpose This seminar will show you how to perform a confirmatory factor analysis using lavaan in the R statistical programming language. Its emphasis is on understanding the concepts of CFA…
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The interpretation of coefficients in an ordinal logistic regression varies by the software you use. In this FAQ page, we will focus on the interpretation of the coefficients in R,…
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The interpretation of coefficients in an ordinal logistic regression varies by the software you use. In this FAQ page, we will focus on the interpretation of the coefficients in Stata…
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Purpose This seminar will show you how to decompose, probe, and plot two-way interactions in linear regression using the emmeans package in the R statistical programming language. For users of…
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This is one of the books available for loan from Academic Technology Services (see Statistics Books for Loan for other such books, and details about borrowing).  See Where to buy…
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Introduction Stata has two built-in variables called _n and _N. _n is Stata notation for the current observation number. _n is 1 in the first observation, 2 in the second,…
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How can I use the hlm program to convert a Stata file to an HLM file? How can I run HLM in batch mode? How to use an SSM file?…
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