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Pandas Pivot Titanic: Separate the gender according to whether they traveled alone or not to get the probability of survival

Pandas: Pivot Titanic Exercise-18 with Solution

Write a Pandas program to create a Pivot table and separate the gender according to whether they traveled alone or not to get the probability of survival. Go to Editor

Sample Solution:

Python Code :

import pandas as pd
import numpy as np
df = pd.read_csv('titanic.csv')
result = df.pivot_table( 'survived' , [ 'sex' , 'alone' ] , 'class' )
print(result)

Sample Output:

class            First    Second     Third
sex    alone                              
female False  0.966667  0.931818  0.416667
       True   0.970588  0.906250  0.616667
male   False  0.425532  0.277778  0.180723
       True   0.333333  0.097222  0.121212

Python Code Editor:


Pivot Titanic.csv:


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Previous: Write a Pandas program to create a Pivot table and gender wise sum of survival and cabin class wise mean value of fare.
Next: Write a Pandas program to create a Pivot table and find the probability of survival by class, gender, solo boarding and port of embarkation.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m