Tag: R

What’s New

I didn’t blog for a while in this first half March and there are bunches of new stuff to catch up: I had a new baby! He was delivered on time (and on budget!), lions tigers and bears, oh my… His brother is Tiger so I named him, Leo. And I got the latest SAS […]

R Tackles Big Garbage

April 1, 2013 – Although the capabilities of the R system for data analytics have been expanding with impressive speed, it has heretofore been missing important fundamental methods. A new function works with the popular plyr package to provide these missing … Continue reading

Github for Clinical/Statistical Programmers

PhUSE-FDA Working Group 5 (Development of Standard Scripts for Analysis and Programming) just adopted Google Code as collaborative programming platform. Google Code is one of the most popular and respected open source software hosting sites in the world and it is definitely a good choice for PhUSE-FDA WG5. But after viewing one of WG5’s working […]

LearningR!

I spent almost all of my blogging time last month to follow an online course in Coursera, Computing for Data Analysis (with R) by Dr. Roger  Peng of Johns Hopkins, Biostatistics Department. I already checked out bunch of Coursera courses just to take a look at what else MOOC look like, this R course was […]

Some differences of the data frames between R and Pandas

Pandas is an emerging open source framework on Python and a substitute to R. Both apply a data structure called DataFrame. Although their data frames look quite similar, there are some cautions for a R programmer who like to play Pandas. A …