bash

Working with Functions in Bash: Reference and Examples

31 Mar 2021   Simple examples and common use cases for functions in shell scripting using bash (bourne-again shell).

markdown

Markdown cheatsheet and Reference: Using Images

31 Mar 2021   Quick cheatsheet with common fixes to use images in markdown documents, such as github READMEs.

gradient-boosting feature-engineering

Features in Boosted Tree Algorithms: Engineering, Encoding, Interaction, etc

30 Mar 2021   How to encode and engineer features correctly for use in tree boosting algorithms? How are features allowed to interact and sort of information do data scientists need to provide via manual engineering? How?

paper-summary model-evaluation

Paper Summary: The Precision-Recall Plot Is More Informative than the ROC Plot When Evaluating Binary Classifiers on Imbalanced Datasets

29 Mar 2021   Summary of the 2015 article "The Precision-Recall Plot Is More Informative than the ROC Plot When Evaluating Binary Classifiers on Imbalanced Datasets" by Saito and Hemsmeier.

The Great Financial Crisis was Triggered by a Series of Unrelated Factors

21 Mar 2021   Thoughts on the Great Financial Crisis. Techy summary of the book "The Big Short" by Michael Lewis

splunk regex

Splunk Regular Expressions: Rex Command Examples

21 Mar 2021   Examples of common use cases and for Splunk's rex command, for extracting and matching regular expressions from log data.

splunk

Splunk Eval Examples

21 Mar 2021   Collection of examples of Splunk's eval command

splunk

Splunk Groupby: Examples with Stats

20 Feb 2021   Examples on how to do aggregate operations on Splunk using the stats and timechart commands.

python datetime timezones

Python Datetime with Timezones: Examples and Reference

03 Jan 2021   Examples on how to work with datetimes and timezones, using the standard python library, datetime.

splunk

Splunk Examples: Timecharts

19 Dec 2020   Examples and reference for common configurations and use cases for the splunk timechart directive