Category Archives: Data Science

Drawing a simple line graph with 2 lines : R Programming

Problem: In our last post we read in the historical share information about a company, in this post I want to plot the daily share volume amounts against a line indicating the average volume. Solution: > df <- read.csv(‘tesco.txt’) > … Continue reading

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Reading text files and getting a column’s average value : R Programming

Problem: Before doing anything interesting in R, we need to have some data to play with. I want to read in a list of End of Day prices for a company, and working out the average volume of that share traded. … Continue reading

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Learning R Programming : The Tutorials

I’ve been trying to learn the programming language R for a couple of months now, and while following the course datacamp.com has been good – it is only by doing real (useful) tasks that I feel I can move my … Continue reading

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