Once in a while, you embark on what looks like a simple computational procedure only to encounter frustration very early on. “I can’t even read my file into R!” you cry.
Step back, take a deep breath and take note of what the software is trying to tell you. Most times, you’ve just missed something very straightforward. Here’s an example.
Update: this post is not about how best to perform the task; it’s about how to cope with frustration. Please stop sending me your solutions :-)