Learn what Crossfilter is, and how it can be used to power interactive web graphics.
Each aspect is a dimension in Crossfilter speak. Now let's say we just want to look at flights that were significantly late. We could add a filter on arrival delay there, and then we could filter again for long distance flights only. And you can see that now that we only have eight rows returned of our original 230,000. The charts for time and date look a bit different now. They're only showing the dates and times of day for the flights that have been returned. So each chart here is a coordinated view of the same dataset.
The course assumes that you have access to a database of your work. This might be through a reporting system, or direct access. If you don't have access to a database or a server, you can still follow the course by downloading software and sample data.
- Downloading Crossfilter
- Cross-filtering data
- Creating dimensions
- Grouping data
- Filtering by range and function
- Removing matching records