Pandas Practice Set-1: Pass a list of data types to only describe certain types of diamonds DataFrame
Pandas Practice Set-1: Exercise-25 with Solution
Write a Pandas program to pass a list of data types to only describe certain types of diamonds DataFrame.
Sample Solution:
Python Code:
import pandas as pd
diamonds = pd.read_csv('https://raw.githubusercontent.com/mwaskom/seaborn-data/master/diamonds.csv')
print("Original Dataframe:")
print(diamonds.head())
print("\nList of data types to only describe certain types:")
print(diamonds.describe(include=['object', 'float64']))
Sample Output:
Original Dataframe: carat cut color clarity depth table price x y z 0 0.23 Ideal E SI2 61.5 55.0 326 3.95 3.98 2.43 1 0.21 Premium E SI1 59.8 61.0 326 3.89 3.84 2.31 2 0.23 Good E VS1 56.9 65.0 327 4.05 4.07 2.31 3 0.29 Premium I VS2 62.4 58.0 334 4.20 4.23 2.63 4 0.31 Good J SI2 63.3 58.0 335 4.34 4.35 2.75 List of data types to only describe certain types: carat cut ... y z count 53940.000000 53940 ... 53940.000000 53940.000000 unique NaN 5 ... NaN NaN top NaN Ideal ... NaN NaN freq NaN 21551 ... NaN NaN mean 0.797940 NaN ... 5.734526 3.538734 std 0.474011 NaN ... 1.142135 0.705699 min 0.200000 NaN ... 0.000000 0.000000 25% 0.400000 NaN ... 4.720000 2.910000 50% 0.700000 NaN ... 5.710000 3.530000 75% 1.040000 NaN ... 6.540000 4.040000 max 5.010000 NaN ... 58.900000 31.800000 [11 rows x 9 columns]
Python Code Editor:
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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
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