get list of unique values in pandas column
a = df['column name'].unique() #returns a list of unique valuesget list of unique values in pandas column
a = df['column name'].unique() #returns a list of unique valuesunique values in dataframe column count
df.groupby('mID').agg(['count', 'size', 'nunique']).stack()
dID hID uID
mID
A count 5 5 5
size 5 5 5
nunique 3 5 5
B count 2 2 2
size 2 2 2
nunique 2 2 2
C count 1 1 1
size 1 1 1
nunique 1 1 1pandas get column values distinct
import pandas as pd
colors = {'color': ['green', 'blue', 'blue', 'red', 'green']}
df = pd.DataFrame.from_dict(colors)
print(df['color'].unique())dataframe python unique values rows
# get the unique values (rows)
df.drop_duplicates()Copyright © 2021 Codeinu
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