Phân tích hoạt động của cảnh sát với pandas
Kevin Markham
Founder, Data School
female = ri[ri.driver_gender == 'F']female.shape
(23774, 13)
female_and_arrested = ri[(ri.driver_gender == 'F') &
(ri.is_arrested == True)]
&) represents the and operatorfemale_and_arrested.shape
(669, 13)
female_or_arrested = ri[(ri.driver_gender == 'F') |
(ri.is_arrested == True)]
|) represents the or operatorfemale_or_arrested.shape
(26183, 13)
Ampersand (&): only include rows that satisfy both conditions
Pipe (|): include rows that satisfy either condition
Each condition must be surrounded by parentheses
Conditions can check for equality (==), inequality (!=), etc.
Can use more than two conditions
Analyze the relationship between gender and stop outcome
Not going to draw any conclusions about causation
Phân tích hoạt động của cảnh sát với pandas