如何创建与现有 DataFrame 具有相同列和类型的空 pandas DataFrame

create_empty_dataframe.py

empty_df = pd.DataFrame(columns=df.columns).astype(df.dtypes)

empty_df = pd.DataFrame(columns=df.columns).astype(df.dtypes)

完整示例

create_empty_dataframe_example.py

import pandas as pd

# Initialize data to lists.
data = {'Name': ['Tom', 'Nick', 'John'],
        'Age': [20, 21, 19]}

# Create DataFrame
df = pd.DataFrame(data)

empty_df = pd.DataFrame(columns=df.columns).astype(df.dtypes)

import pandas as pd

# Initialize data to lists.
data = {'Name': ['Tom', 'Nick', 'John'],
        'Age': [20, 21, 19]}

# Create DataFrame
df = pd.DataFrame(data)

empty_df = pd.DataFrame(columns=df.columns).astype(df.dtypes)

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