Time for action – summarizing data

The data we will summarize will be for a whole business week, running from Monday to Friday. During the period covered by the data, there was one holiday on February 21, President's Day. This happened to be a Monday and the US stock exchanges were closed on this day. As a consequence, there is no entry for this day, in the sample. The first day in the sample is a Friday, which is inconvenient. Use the following instructions to summarize data:

  1. To simplify, just have a look at the first three weeks in the sample— later, you can have a go at improving this:
    close = close[:16]
    dates = dates[:16]

    We will be building on the code from the previous Time for action section.

  2. Commencing, we will find the first Monday in our ...

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