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Category Archives: Article

To Revisit

To Revisit An Introduction to Statistical Learning The Elements of Statistical Learning Data Preparation for Data Mining The Grammar of Graphics Advanced R In-depth introduction to machine learning in 15 hours of expert videos A hands-on introduction to statistics with R

Org-Mode Details To Accompany Questions

The details that are likely to help questions to be answered on the org mailing list. #+begin_src emacs-lisp (print emacs-version) #+end_src #+begin_src emacs-lisp (print org-version) #+end_src #+begin_src emacs-lisp (print (pp-to-string org-babel-default-header-args)) #+end_src #+begin_src emacs-lisp (print (pp-to-string org-babel-default-header-args:R)) #+end_src Eg: “24.3.1” “8.2.10” “((:eval . \”always\”) (:padline . \”yes\”) (:noweb . \”no-export\”) (:exports . \”both\”) (:results . […]

Starting OSX Apps From The Command Line

open /Applications/ –args -Q

Milwaukee Data Science: Making Sense of Data Science via a Metromap & Lightning Talks

This could be the start of something valuable community; can’t wait to see wherever it leads!

An example cause of burnout

There are many recipes for burnout. One of them by analogy is to operate a 28 ton earth moving machine powered by a 2 horsepower (hp) engine attached to an unlimited fuel supply (use your imagination). It doesn’t matter how capable the machine is or the value of the fuel you are using, the engine […]

Happiness vs Enjoyment

Happiness and enjoyment are easily confused because they mostly feel the same. Their major difference though seems to be the duration of the feeling and the ease by which the state may be entered. Happiness seems to be more long-lived while enjoyment seems to me short-lived. Happiness seems to be mostly independent of the circumstances […]

A Question’s Worth

We all know that answers have worth. Questions do too, though. A big part of being a successful human, and scientist, is being able to assess the value of both.

Teaching and Entertainment

Every “modern” teacher knows that teaching requires a non-zero amount of entertainment in order for attention to be held. Entertainment, on the other hand, requires no teaching for the viewer’s attention to be held, although it often results in a more moving experience for the consumer. For the consumer, it is definitely worth their time […]

Cleaning Up Your Messes

There is a camper’s philosophy that “one should should leave the area cleaner than the state in which it was found”. That is a beautiful philosophy because it doesn’t matter who made the mess, as the fact remains that the mess must be cleaned up. Unless legal action is required, perhaps it is not even […]

Useful functions in R never mentioned anywhere

which ifelse exists