Hi. I’m John. This is my Blog. I’m a  Senior Database Marketing Manager living in San Diego.

I’ve worked with top ad-tech companies and create scalable solutions for analytic and business teams.

Cheatsheet – Python & R codes for common Machine Learning Algorithms

By | August 25th, 2016|Categories: machine learning|Tags: |

I ran across this really cool cheatsheet on a great blog that I follow, Analytics Vindhya, so wanted to post it here to share. Admittedly, scikit-learn.org does have pretty great quick-start documentation, but I still find [...]

HDFS & Pig Notes

By | March 1st, 2016|Categories: Hadoop, Map Reduce|

Some pretty scrappy notes that got me through my time learning Pig & HDFS Setup the sshfs on local machine <> sshfs -p 22 hsohn@4.26.4.XX:/ebs/user/hsohn /Users/hsohn/Documents/remoteHome/dev/ -o auto_cache,reconnect,defer_permissions,negative_vncache,volname=dev Hadoop For dev access, do ssh bi@4.26.4.XX For prod access do ssh bi@4.26.4.XX Run a file [...]