Scraping craigslist

Posted on Sun 30 August 2015 in computation, munging, scraping • Tagged with python, programming

Overview

In this notebook, I'll show you how to make a simple query on Craigslist using some nifty python modules. You can take advantage of all the structure data that exists on webpages to collect interesting datasets.

Coherence correlation

Posted on Wed 27 May 2015 in neuroscience • Tagged with python, programming, timeseries, correlation

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Note - you can find the nbviewer of this post here

Coherence vs. Correlation - a simple simulation

A big question that I've always wrestled with is the difference between correlation and coherence. Intuitively, I think of these two things as very similar to one another. Correlation is a way to determine the extent to which two variables covary (normalized to be between -1 and 1). Coherence is similar, but instead assesses "similarity" by looking at the similarity for two variables in frequency space, rather than time space.


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