Horje
random choice sampling numpy Code Example
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
random choice sampling numpy 
>>> np.random.choice(5, 3, replace=False)
array([3,1,0])
>>> #This is equivalent to np.random.permutation(np.arange(5))[:3]
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



Python

Related
rnadom number python Code Example rnadom number python Code Example
python cholesky Code Example python cholesky Code Example
scrape email in a list from website python Code Example scrape email in a list from website python Code Example
how to sum the revenue from every day in a dataframe python Code Example how to sum the revenue from every day in a dataframe python Code Example
python how to see what pip packages are installed Code Example python how to see what pip packages are installed Code Example

Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
 Admin
Views:
 7



 

Horje