Time-dependent Cox regression in R creates a major challenge for researchers analyzing survival data that evolves over time. Standard Cox models assume fixed predictors, yet most real datasets include ...

Employee motivation and job performance are crucial variables in organizational research, often linked to productivity, retention, and overall workplace effectiveness. Survey research is a common way ...

This command takes a URL as input and downloads and opens a data file. It can be used to download and save files of other typ es, but these will not be opened. IBM SPSS Statistics 18 or later and the ...

There is also write support for all the data formats, but not the metadata formats. The produced SAS7BDAT files still cannot be read by SAS, but feel free to contribute your binary-format expertise ...

While children with typical language development may capitalize on general language skills to grasp the content of others’ minds, those with challenges in mind-reading could rather rely more ...

We present the data from a crowdsourced project seeking to replicate findings in independent laboratories before (rather than after) they are published. In this Pre-Publication Independent Replication ...

Testing of therapies for disease or injury often involves the analysis of longitudinal data from animals. Modern analytical methods have advantages over conventional methods (particularly when some ...

In 2005, Holy and Guo advanced the idea that male mice produce ultrasonic vocalizations (USV) with some features similar to courtship songs of songbirds. Since then, studies showed that male mice emit ...

Lisa McGuire, at Virginia Tech, sent me a note asking if I would elaborate on the use of the Weight Cases command in SPSS to run a chi-square analysis on a contingency table. I was scheduled to do ...