ggplot2 Time Series Heatmaps
[This article was first published on MarginTale, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
How do you easily get beautiful calendar heatmaps of time series in ggplot2? E.g:Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
 |
| From MarginTale |
How do you attack the problem? Looking at the example output above:
- We facet_grid by “months” and “years”
- The data itself is plotted by “week of month” and “day of week” and coloured according to the value of interest
So, given a time series we just have to fiddle with time indexes to create a data.frame containing the time series as well as per observation the corresponding “month”, “year”, “week of month”, “day of week”. The rest is then a one-liner of code with Hadley’s wonderful ggplot2 system.
The following code contains step by step comments:
The following code contains step by step comments:
It should be easy to wrap into a function and I hope its useful.
To leave a comment for the author, please follow the link and comment on their blog: MarginTale.
R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other topics. Click here if you're looking to post or find an R/data-science job.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.