Answers for "count number of rows in a dataframe"

1

pandas df row count

df = pd.DataFrame({"Letters": ["a", "b", "c"], "Numbers": [1, 2, 3]})
index = df.index
number_of_rows = len(index)
Posted by: Guest on March-30-2021
6

get number of rows pandas

number_of_rows = len(df)
Posted by: Guest on June-02-2020
0

pandas count number of rows with value

In [37]:
df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()

Out[37]:

   a
a   
a  2
b  3
s  2

[3 rows x 1 columns]
Posted by: Guest on October-25-2020
0

python - count total numeber of row in a dataframe

# Option 1
df.A.count()
# Option 2
df['A'].count()
# Option 3
number_of_rows = len(df) 
# Option 4
df.count()
Posted by: Guest on July-03-2020

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