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check max length of each column pandas

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peamdev answered on June 3, 2020 Popularity 5/10 Helpfulness 1/10

answer check max length of each column pandas

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check max length of each column pandas

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import pandas as pd

# Example DataFrame
data = {'col1': ['apple', 'banana', 'cherry'],
        'col2': [1, 22, 333],
        'col3': ['short', 'longer', 'longest']}
df = pd.DataFrame(data)

# Calculate max length for each column
max_lengths = df.apply(lambda col: col.str.len().max() if col.dtype == 'object' else col.max())

print(max_lengths)

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Tags: each max pandas python

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Contributed on Dec 09 2024

peamdev

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get max value column pandas

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max_value_column = df["column_name"].max()

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Contributed on Jun 03 2020

Healthy Hawk

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Contributed on Aug 09 2022

Adrien LE BG

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Contributed on May 02 2021

oubaydos

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Contributed on Aug 09 2022

Adrien LE BG

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pandas print max length of any columns

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import pandas as pd
import numpy as np

df = pd.DataFrame({'A': ['abc', 'de', 'abcd'],
                   'B': ['a', 'abcde', 'abc'],
                   'C': [1, 2.5, 1.5]})

measurer = np.vectorize(len)

# All Columns
res1 = dict(zip(df, measurer(df.values.astype(str)).max(axis=0)))

{'A': 4, 'B': 5, 'C': 3}

# Columns that only data type = object
df_object = df.select_dtypes(include=[object])
res2 = dict(zip(df_object, measurer(df_object.values.astype(str)).max(axis=0)))

{'A': 4, 'B': 5}

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Source: stackoverflow.com

Tags: any max pandas pa

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Contributed on Jan 04 2023

peamdev

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root@NagiosDebian:/home/nagios/downloads# wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.2.tar.gz
--2018-11-23 10:16:53-- https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.2.tar.gz
Résolution de assets.nagios.com (assets.nagios.com)…2600:3c00::f03c:91ff:fedf:b821, 72.14.181.71
Connexion à assets.nagios.com (assets.nagios.com)|2600:3c00::f03c:91ff:fedf:b821|:443… connecté.
requête HTTP transmise, en attente de la réponse… 200 OK
Taille : 11301454 (11M) [application/x-gzip]
Sauvegarde en : `nagios-4.4.2.tar.gz`
nagios-4.4.2.tar.gz 100%[==============================================================>] 10,78M 956KB/s in 13s
2018-11-23 10:17:06 (880 KB/s) — `nagios-4.4.2.tar.gz` sauvegardé [11301454/11301454]

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Contributed on Sep 17 2021

Alert Aardvark

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Contributed on Feb 07 2022

Panicky Panda

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Contributed on Mar 01 2022

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Contributed on Apr 03 2022

Chalokoz Roblox

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pandas print max length of any columns

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res1 = dict(zip(df, measurer(df.values.astype(str)).max(axis=0)))

{'A': 4, 'B': 5, 'C': 3}

df_object = df.select_dtypes(include=[object])
res2 = dict(zip(df_object, measurer(df_object.values.astype(str)).max(axis=0)))

{'A': 4, 'B': 5}

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Source: stackoverflow.com

Tags: any max pandas pa

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Contributed on Dec 29 2022

peamdev

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check max length of each column pandas

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