Answers for "if column contains value then look up value from another colums pandas"

0

pandas look for values in column with condition

# The common syntax is df.loc[], the condition is put in the bracket

#Eg, look for rows with column1 > 5 and column2 = 3
df.loc[(df['column_1'] > 5) & (df['column_2'] = 3)]
Posted by: Guest on May-30-2021
0

pandas check if any of the values in one column exist in another

df["exists"] = df.drop("target", 1).isin(df["target"]).any(1)
print(df)

    target  A       B       C       exists
0   cat     bridge  cat     brush   True
1   brush   dog     cat     shoe    False
2   bridge  cat     shoe    bridge  True
Posted by: Guest on March-19-2020

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