Missing delays?
The last exercise showed you that there are columns in flights containing missing values. The result of the describe() function is below. You don't care too much about missing values in most columns, but missing values in the departure_delay column are problematic - that's one of the main columns you want to study.
Row variable nmissing
Symbol Int64
__________________________________
1 year 0
2 month 0
3 day 0
4 day_of_week 0
5 airline 0
6 flight_number 4
7 origin_airport 0
8 destination_airport 3
9 scheduled_departure 7
10 departure_time 3
11 departure_delay 56
12 scheduled_time 0
The DataFrames package and flights dataset have been loaded for you.
Bu egzersiz
Data Manipulation in Julia
kursunun bir parçasıdırEgzersiz talimatları
- Drop missing values only from the
departure_delaycolumn, saving the result in place. - Print the result of
describe()to check your work.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Drop missing values from departure_delay
____
# Print describe
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