Kamil Slowikowski
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Create a quantile-quantile plot with ggplot2

After performing many tests for statistical significance, the next step is to check if any results are more significant than we would expect by random chance. One way to do this is by comparing the distribution of p-values from our tests to the uniform distribution with a quantile-quantile (QQ) plot. Here’s a function to create such a plot with ggplot2.

How to ssh to a remote server without typing your password

Here are a few tips to use ssh more effectively. Login to your server using public key encryption instead of typing a password. Use the ~/.ssh/config file to create short and memorable aliases for your servers. Also, use aliases to connect through a login server into a work server.