Numpy random for string

Python select random subset from numpy array

fruits = ['apple', 'banana', 'orange', 'grape']
subset_size = int(0.7 * len(fruits))
np.random.choice(fruits, subset_size, replace=False)
# array(['grape', 'banana'], dtype='<U6')

Source: docs.scipy.org

Numpy random for string

>>> aa_milne_arr = ['pooh', 'rabbit', 'piglet', 'Christopher']>>> np.random.choice(aa_milne_arr, 5, p=[0.5, 0.1, 0.1, 0.3])array(['pooh', 'pooh', 'pooh', 'Christopher', 'piglet'],   dtype='|S11')fruits = ['apple', 'banana', 'orange', 'grape']
subset_size = int(0.7 * len(fruits))
np.random.choice(fruits, subset_size, replace=False)
# array(['grape', 'banana'], dtype='<U6')

Source: docs.scipy.org

Similar codes

1 vote186 views3 answers
Rgb to grayscale python
Python
1 vote152 views1 answer
Convert to lowercase command python
Python
0 vote282 views1 answer
Python quiet future warning
Python
92 votes183 views3 answers
Renaming column in dataframe pandas
Python
0 vote174 views1 answer
To install a specific version, type the package name followed by the required version:
Python
0 vote189 views1 answer
Python find equal rows of two numpy arrays
Python
0 vote123 views1 answer
Count number of pages in pdf python pdfminer
Python
16 votes162 views2 answers
How to fillna in all columns with their mean values
Python
0 vote159 views1 answer
Entropy formula pyhon
Python
0 vote176 views1 answer
Megre pandas in dictionary
Python