Today I’m at the 46th position of the Online Product Sales leadership board. Not a raving result, but it’s a start. And moreover, it is the improvements that come with each model that make me want to try more and do better.
I think I have squeezed most of the improvements randomForest is able to give me. Now I need to look for other techniques. Maybe blending a few models together, or feed models into a neural network or something. *rub hands together* I have one more week to play around before I start preparing myself for the corporate world again.
Exploring and venting about quantitative issues
Using large digital libraries to advance literary history
Zoom out, zoom in, zoom out.
Blog to document and reflect on Columbia Data Science Class
A Quick-R Companion
[R] + applied economics.
Scientific computing, data viz and general geekery, with examples in R and MATLAB.