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

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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 … Continue reading Manipulating data frame in R