Python package ismember returns array elements that are members of set array.
Project description
ismember
ismember
is a Python library that checks whether the elements in X is present in Y.
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Documentation pages
On the documentation pages you can find more information about ismember
with examples.
Install bnlearn from PyPI
pip install ismember # normal install pip install -U ismember # update if needed
Import ismember package
from ismember import ismember
Example: Check whether the elements of X are present in Y
Example: Determine the corresponding location of the values that are present in Y array
Example: Row wise comparison
Example: Elementwise comparison
Quick examples
import numpy as np from ismember import ismember # Example with lists a_vec = [1,2,3,None] b_vec = [4,1,2] [I,idx] = ismember(a_vec,b_vec) np.array(a_vec)[I] np.array(b_vec)[idx]
# Example with DataFrames a_vec = pd.DataFrame(['aap','None','mies','aap','boom','mies',None,'mies','mies','pies',None]) b_vec = pd.DataFrame([None,'mies','mies','pies',None]) I, idx = ismember(a_vec,b_vec) a_vec.values[I] b_vec.values[idx]
# Example with Numpy array a_vec = np.array(['boom','aap','mies','aap']) b_vec = np.array(['aap','boom','aap']) I, idx = ismember(a_vec,b_vec) a_vec[I] b_vec[idx]
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