Home  >>  Current issue

Stata Journal Volume 18, Number 1 has been mailed

The printed copy of the Stata Journal was mailed to subscribers on April 3, 2018. Subscribers in the U.S. and Canada, please allow one week for your issue to arrive. Subscribers outside the U.S. and Canada, please allow two weeks for your issue to arrive.

The electronic copy of the Stata Journal was emailed to subscribers on March 28, 2018.

Here is the table of contents for this issue:

(Click on the title to view the abstract or to order the article.)

Articles and Columns

Announcement of the Stata Journal Editors' Prize 2018
Power and sample-size analysis for the Royston–Parmar combined test in clinical trials with a time-to-event outcome
P. Royston
Unit-root tests based on forward and reverse Dickey–Fuller regressions
J. Otero and C. F. Baum
validscale: A command to validate measurement scales
B. Perrot, E. Bataille, and J.-B. Hardouin
A command for fitting mixture regression models for bounded dependent variables using the beta distribution
L. A. Gray and M. Hernández Alava
Testing for serial correlation in fixed-effects panel models
J. Wursten
ldagibbs: A command for topic modeling in Stata using latent Dirichlet allocation
C. Schwarz
Exploring marginal treatment effects: Flexible estimation using Stata
M. E. Andresen
Fitting and interpreting correlated random-coefficient models using Stata
O. Barriga Cabanillas, J. D. Michler, A. Michuda, and E. Tjernström
heckroccurve: ROC curves for selected samples
J. A. Cook and A. Rajbhandari
Panel unit-root tests for heteroskedastic panels
H. Herwartz, S. Maxand, F. H. C. Raters, and Y. M. Walle
Some commands to help produce Rich Text Files from Stata
M. S. Gillman
Standard-error correction in two-stage optimization models: A quasi–maximum likelihood estimation approach
F. Rios-Avila and G. Canavire-Bacarreza
Assessing the health economic agreement of different data sources
D. Gallacher and F. Achana
Manipulation testing based on density discontinuity
M. D. Cattaneo, M. Jansson and X. Ma
Speaking Stata: Logarithmic binning and labeling
N. J. Cox
Stata tip 129: Efficiently processing textual data with Stata's new Unicode features
A. Koplenig

Software Updates

Programs (ado-files and hlp-files) from the Stata Journal can be installed on your machine from within Stata. If you have the current version of Stata and an Internet connection, type

     . net sj 18-1

and follow the displayed options and instructions. You could also select SJ and community-contributed programs from the Help menu. Select http://www.stata-journal.com/software from the resulting help window, then sj18-1, and follow the on-screen options and instructions.

See the Stata Journal FAQ for more details.

For those not currently subscribing to the Stata Journal, subscriptions may be ordered online from the Stata Bookstore.