Posted on Categories data science, TutorialsTags , , , , 1 Comment on data_algebra/rquery as a Category Over Table Descriptions

data_algebra/rquery as a Category Over Table Descriptions

Introduction

I would like to talk about some of the design principles underlying the data_algebra package (and also in its sibling rquery package).

The data_algebra package is a query generator that can act on either Pandas data frames or on SQL tables. This is discussed on the project site and the examples directory. In this note we will set up some technical terminology that will allow us to discuss some of the underlying design decisions. These are things that when they are done well, the user doesn’t have to think much about. Discussing such design decisions at length can obscure some of their charm, but we would like to point out some features here.

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Posted on Categories Programming, Statistics, TutorialsTags , , , , , , 6 Comments on Some Neat New R Notations

Some Neat New R Notations

The R package wrapr supplies a few neat new coding notations.


abacus

An Abacus, which gives us the term “calculus.”

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