by Andrea Spanò | Mar 7, 2017 | Articles, R blog
[Here you can see the Building views with R cheat sheet at a full resolution] Queries In database theory a query is a request for data or information from a database table or combination of tables. Since dplyr we have something that quite closely conceptually...
by Veronica Giro | Jul 4, 2016 | Articles, R blog
If you want to compute arbitrary operations on a data frame returning more than one number back, use dplyr do()! This post aims to explore some basic concepts of do(), along with giving some advice in using and programming. do() is a verb (function) of dplyr. dplyr is...
by Enrico Pegoraro | Jul 4, 2016 | Articles, R blog
Introduction R is an object-oriented (OO) language. This basically means that R is able to recognize the type of objects generate from analysis and to apply the right operation on different objects. For example, the summary(x) method performs different operations...