Xu Cui

Using serial port to control ETG4000

To synchronize NIRS recording and your stimuli (visual, auditory, button press etc), your presentation program needs to talk to the NIRS machine. Hitachi ETG4000 allows serial communication between the NIRS machine and an external computer. You can u

February 25, 2011 9 2 min read

Do you work in evenings and weekends?

February 21, 2011 2 1 sec read

Recommending a free reference manager, Peaya Paper

Reference managing is pretty annoying. But you can’t do research without reading papers, and can’t write manuscript without citing papers. Here I recommend a program which will effectively solve this problem. Peaya Paper is like EndNote, but with the

February 21, 2011 1 1 min read

Cohort analysis

Cohort analysis is a good metric on how users engage to an application. To do this, you: Break the users into cohorts according to when they register (bin size usually a month) Count the number of users in each cohort who login in over time Plot it W

February 16, 2011 1 28 sec read