Hacker News: dtjon

New comment by dtjon in "WeWork has bought Flatiron School"

dtjon — Mon, 23 Oct 2017 15:35:34 +0000

Also interesting, and related, that the Flat Iron School was fined for almost a half million dollars for fraudulent salary claims and operating without a license [1]

[1] https://ag.ny.gov/press-release/ag-schneiderman-announces-37...

New comment by dtjon in "Ask HN: What maths are critical to pursuing ML/AI?"

dtjon — Mon, 28 Aug 2017 15:44:30 +0000

+1 for "Elements of Statistical Learning", this is the basis for most rigorous intro to ML classes

New comment by dtjon in "Ask HN: What maths are critical to pursuing ML/AI?"

dtjon — Mon, 28 Aug 2017 15:41:32 +0000

Great class and great professor. One of my favorite classes from my degree.

New comment by dtjon in "Ask HN: What maths are critical to pursuing ML/AI?"

dtjon — Mon, 28 Aug 2017 15:40:34 +0000

Probability, and thus multivariate calculus and partial differential equations. Linear algebra. Convex Optimization, and thus multivariate and partial differential equations. Some principals of statistics is usually helpful

New comment by dtjon in "Show HN: Kim – A Python serialization and marshaling framework"

dtjon — Wed, 12 Apr 2017 16:47:14 +0000

pyarrow has methods to convert to pandas, which scikit supports

http://pyarrow.readthedocs.io/en/latest/pandas.html

New comment by dtjon in "Show HN: Kim – A Python serialization and marshaling framework"

dtjon — Wed, 12 Apr 2017 16:32:37 +0000

Wow this is great. I've been working around the jvm to integrate sklearn and some spark jobs that produce Parquet. This is a huge relief

New comment by dtjon in "Discovering Anomalies in Real-Time with Apache Flink"

dtjon — Thu, 16 Feb 2017 18:34:40 +0000

We ditched Spark Structured Streaming for Flink for a Kafka consumer, processing 3B events per day. Its been extremely stable so far, and half the cost of the spark cluster