The latest issue (volume 7, number 3) of The Stata Journal is now available online to PRI affiliates. To access the journal, log in with your POP username and password.

Contents of this issue:

Articles and Columns
Multiple imputation of missing values: further update of ice, with an emphasis on interval censoring
Enhanced routines for instrumental variables/generalized method of moments estimation and testing
Causal inference with observational data
A generic function evaluator implemented in Mata
Mata Matters: Structures
Speaking Stata: Counting groups, especially panels

Notes and Comments
Stata tip 52: Generating composite categorical variables
Stata tip 53: Where did my p-values go?
Stata tip 54: Post your results
Stata tip 55: Better axis labeling for time points and time intervals

Software Updates