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Data Science Blog

Beautiful decision plots in R with ggparty
3 months ago

Beautiful decision plots in R with ggparty

Beautiful decision plots in R with ggparty. An entire story in one picture: https://cran.r-project.org/web/packages/ggparty/vignettes/ggparty-graphic-partying.html

 

Model communication issues
3 months ago

Model communication issues

Not just for machine learning models: Communication problems are harder than technical problems: https://kdnuggets.us12.list-manage.com/track/click?u=4f2891ebb155b23f120ece0bd&id=28d594ddb0&e=2a6fad5624

A useful tool for looking at categorical data
3 months ago

A useful tool for looking at categorical data

https://alastairrushworth.github.io/Exploring-categorical-data-with-inspectdf/

 

Making sense of tangled analytics
3 months ago

Making sense of tangled analytics

Sometimes, we’re forced to take a look at legacy analytics that make no sense, this gentlemen has a good tutorial on how to do this:

https://rud.is/b/2019/06/11/makeover-jumbalaya-beating-dumbbells-into-slopegraphs-whilst-orchestrating-ethercalc/

R Workarounds for Big Data Projects
3 months ago

R Workarounds for Big Data Projects

One of the chief complaints about R is the lack of support for big data projects, but there are workarounds: https://www.r-bloggers.com/three-strategies-for-working-with-big-data-in-r/

An Ad-hoc method for calibrating models
3 months ago

An Ad-hoc method for calibrating models

What is model calibration? You want to pick parameter values on the basis of external (to your data) evidence, and compare the model’s predictions with the actual data:

https://www.r-bloggers.com/an-ad-hoc-method-for-calibrating-uncalibrated-models/

How to Build Disruptive Data Science Teams: 10 Best Practices
3 months ago

How to Build Disruptive Data Science Teams: 10 Best Practices

KDnuggets has an interesting article out on building data science teams. Granted, they’re talking about a pretty big team here!:

https://www.kdnuggets.com/2019/07/disruptive-data-science-teams-best-practices.html

Co-integration and Structural Breaks Time Series Analysis using R on 100 year bond yields
3 months ago

Co-integration and Structural Breaks Time Series Analysis using R on 100 year bond yields

An interesting tutorial at looking at breaks in the bond market using R and time series analysis:

https://www.datasciencecentral.com/profiles/blogs/co-integration-and-structural-breaks-time-series-analysis-using-r

Model Governance and Model Operations
3 months ago

Model Governance and Model Operations

O’Reilly article on organizational handing of mathematical models, a topic that is not covered enough in my opinion:   https://www.oreilly.com/ideas/what-are-model-governance-and-model-operations?fbclid=IwAR2HXtnERk_Kn5RQ85N0fHqcxTpRtp8yjIbmXWPVjAyAKDjndBUI-MuaoDk

R Job Scraping and Mapping
2 years ago

R Job Scraping and Mapping

In this post, I’m going to use R to scrape Indeed.com for some jobs, then plot the positions of the top jobs on a map, and save that map to …
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