Input data: Activities file

Demand for travel ($=$ trips) is driven by activities taking place at different locations. We encapsulate this fact into a simple activities file, as follows: 0.99acts An example is in

        http://www.matsim.org/files/studies/corridor/teach/0.acts .

For our work here, we will assume that activities always come in pairs, i.e. that each individual in the simulation starts at one location (``at home'') and goes to another location (``work''). We also assume that there is a desired arrival time for the work activity.

Task 14.1   Write a utility (e.g. using awk) that generates a new activity file which consists of a randomly selected 10% of the input activity file. This will be needed later.