Augmenting the data: Route summary statistics

We have constructed a dataset that is nearly ready for visualization, route_hod. Let's add in a few more variables that will be useful as cognostics as we anticipate interactively viewing the display.

For each route, calculate the total number of rides.
For each route, calculate the difference between the mean hourly rides during the work week and the mean hourly rides during the weekend. Note that the variable n already is aggregated to counts per hour, so, for example, the workweek mean is calculated with mean(n[weekday == "workweek"]).
For each route, add a variable containing a URL pointing to the route on Google Maps, using the provided make_gmap_url function, providing appropriate arguments from the data.

Exercise

Augmenting the data: Route summary statistics

Instructions

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Instructions

Exercise