Blog


Where I write.

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


Slope, Intercept and Distance

斜率、截距以及点到直线的距离


R profiling


R <<- operator


R apply family


Digest of Agile Software Development: Principles, Patterns, and Practices