Gestión de Data Frames con el paquete paquete dplyr

Part Six: Chi-Squared Test for Independence Simulation

First look at heavy metal concentrations in drainage sediments at abandoned tungsten mines in AZ.

Sample code for producing the tables and figures shown in Thorndike & Thorndike-Christ (2009), pages 28 - 38.

R para tarea de pre

dealing with text characters in r, part of chapter 14 of "R in data science-2e". most of the examples were taken from the book