Last week i created some plots, always for 1 feature. Today I started working on the full script that creates all these plots, 1 per feature. This means, using for loops in R. Let’s see how this is going to work out. Today I mostly worked on data...
Posts Tagged ‘ Data Manipulation ’
Friday function triple bill: with vs. within vs. transform
When you first learnt about data frames in R, I’m sure that, like me, you thought “This is a lot of hassle having to type the names of data frames over and over in order to access each column”. library(MASS) anorexia$wtDiff <- anorexia$Postwt - anorexia$Prewt #I have to type anorexia how many times? Indeed, any 
Programming with R – Processing Football League Data Part II
Following on from the previous post about creating a football result processing function for data from the football-data.co.uk website we will add code to the function to generate a league table based on the results to date. To create the league table we need to count various things such as the number of games played, number
Useful functions for data frames
The R software system is primarily command line based so when there are large sets of data it is not easy to browse the data frames. There are various useful functions for working with data frames. For example, after loading data from a text file we might want to view the first few lines of a
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
