Blog


Where I write.

R: Getting and Cleaning Data


What are Confounding Factors and How do they Affect Studies?


What are the differences among different study designs, and what are the relative advantages of each?


An Example of Experimental Design


Types of Data Science Questions


R console theme


Octave: fmincg and Anonymous Functions


R Generating Random Numbers and Random Sampling


R Debugging


Derivative and Partial Derivative

导数与偏导数