Threat to biodiversity (about butterfly, polar bears and Brad Pitt);

Everyone care about the environment and enjoy a sunny day walk through the woods (apart for certain categories of people like hardcore gamers), yet these nice places and their biodiversity are threatened partly due to human actions partly to other factors. My mother recently asked me 'Why is there less bees?' my answer was (as …

Manipulating data frame in R

Here you will learn about transforming, merging, ordering a data frame, changing the column order, removing a variable, subsetting and indexing Transforming; This means put the rows as columns and the columns as the rows, this is done very easily in one line: > data(mtcars) > mtcars<-t(mtcars) Merging two Data Frame; Often it happen that …

The 6 functions that save your life (in R)

In this article I will introduce to you the functions that make your life in R so much easier. For example purposes I will use the “mtcars” data frame. The ? functions: This is the most important one, it print the help content related to the functions, for example: > ?plot Will provide you with …

R at your fingertips

R is an open source statistical software, which mean that it is free and that you can access all the codes that you are using. You can also create your own functions and packages and the community will use and test them. Most of us (Biologist or non-Math scientific) do not need to go that …