Pandas DataFrame 查看数据的统计信息和摘要信息

环境信息

• ModelArts
  • Notebook - Multi-Engine 2.0 (python3)
    • JupyterLab - Notebook - Conda-python3
      • pandas 0.22.0

Pandas DataFrame 查看数据的统计信息和摘要信息

import pandas as pd
import numpy as np
data = pd.DataFrame(np.random.randint(100,size=(5,8)))
data

# 查看摘要
data.info()

<class 'pandas.core.frame.DataFrame'>
RangeIndex: 5 entries, 0 to 4
Data columns (total 8 columns):
0    5 non-null int64
1    5 non-null int64
2    5 non-null int64
3    5 non-null int64
4    5 non-null int64
5    5 non-null int64
6    5 non-null int64
7    5 non-null int64
dtypes: int64(8)
memory usage: 400.0 bytes

# 查看统计信息
data.describe()

help

help(data.info)

Help on method info in module pandas.core.frame:

info(verbose=None, buf=None, max_cols=None, memory_usage=None, null_counts=None) method of pandas.core.frame.DataFrame instance
    Concise summary of a DataFrame.

help(data.describe)

Help on method describe in module pandas.core.generic:

describe(percentiles=None, include=None, exclude=None) method of pandas.core.frame.DataFrame instance
    Generates descriptive statistics that summarize the central tendency,
    dispersion and shape of a dataset's distribution, excluding
    ``NaN`` values.
    
    Analyzes both numeric and object series, as well
    as ``DataFrame`` column sets of mixed data types. The output
    will vary depending on what is provided. Refer to the notes
    below for more detail.

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