Exercise

Selecting data from data range

Pulling data that meets specific conditions is one of the most powerful and commonly used operations with DataFrames. You can try it now with Alphabet stock data. Provided is the DataFrame alphabet and the datetimes start_date and end_date. The DataFrame's head looks like this:

date close volume open high low
2019-08-02 1196.32 1745450 1203.00 1209.500 1190.00
2019-08-01 1211.78 1771271 1217.63 1236.298 1207.00
2019-07-31 1218.20 1997999 1224.87 1234.910 1208.18
2019-07-30 1228.00 1430775 1227.00 1236.910 1225.32
2019-07-29 1241.84 2069127 1242.50 1248.995 1230.20

Instructions

100 XP
  • Create a mask of historical dates in the given date range.
  • A mask can be used to make a selection of rows from a DataFrame.