Please submit a zip file. The zipped file should contain three separate ipython notebook files 1-generator.ipynb, 2-HOF.ipynb, and 3- generator-HOF.ipynb for the first, second and third problems respectively.
import pandas as pd df = pd.read_csv("citibike.csv") rows = df.values.tolist()
(a) Determine the number trips that gender 1 made, and that gender 2 made. We can do this by just counting the number of occurrences of 1 and 2 in the gender column (2pt):
<Read file> <YOUR HOF EXPRESSION>
# After this, you should get something like # (37805, 7848)
(b) Count the number of trips per birth year using higher order functions (2pt):
<Read file> <YOUR HOF EXPRESSION>
# After this, you should get something like # {"1900.0": 22, "1901.0": 1, "1910.0": 2, "1922.0": 4, ... "1995.0": 256, "1996.0": 124, "1997.0": 94, "1998.0": 59, "1999.0": 17}
What to submit:Turn in an ipython notebook print out the results for problems (a) and (b)
3. Extract the first ride of the day from a Citibike data stream. The first ride of the day is interpreted as the ride with the earliest starting time of a day. For the sample data, which is a week worth of citibike records, your program should only generate 7 items (one for each day).Streaming Computation: you are asked to complete the task using steaming computation methods. You can only iterate the data set once using yield as shown in Codes/Lab3. You can store a container (e.g. list, dictionary, DataFrame,etc.) with maximum 7 elements in memory. The data set has been sorted by the starting time.What to submit:Turn in an ipython notebook print out the birth years of the first riders each day for problem.
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