Monthly Archives: May 2016

Within-group analyses cannot be used to make between-group comparisons

Many research questions investigate how outcomes change (over time) in response to different test conditions or treatments. Participants are randomised into groups to receive a test condition or treatment to make the groups comparable in every way except the test condition or treatment that is received. Consequently, comparing outcomes between groups allows us to understand how outcomes change under different

Read more

Python: Working with text files, an example using PubMed references

My colleagues and I recently needed to identify all the PubMed references on a given topic and locate email addresses of the corresponding authors. The good news is that the Author information section of PubMed references contains one or more email addresses approximately half of the time. This meant that I could automate the extraction of these email addresses by

Read more