If you often use a computer for work, you've probably encountered some .csv files as part of your daily grind. On the surface, they may seem like a strange alternative to the far more well-known .xlsx ...

Each .csv contains a set of data points (say, from column 4, where rows 4, 5 and 9 are individual subjects of the graph) that I want to plot with the date along the X axis. Basically, what I want to ...