Python - 檢查 Pandas 索引是否僅包含數字資料
若要檢查 Pandas 索引是否僅包含數字資料,請使用 index.is_numeric() 方法。首先,匯入所需的庫 -
import pandas as pd import numpy as np
建立包含整數、浮點數和 NaN 的 Pandas 索引
index = pd.Index([5, 10.2, 25, 50, 75.2, 100, np.nan])
顯示 Pandas 索引 -
print("Pandas Index...\n",index)檢查索引值是否僅包含數字資料。數字資料包含整數、浮點數和 NaN -
index.is_numeric()
示例
以下為程式碼 -
import pandas as pd
import numpy as np
# Creating Pandas index with integer, float and NaNs
index = pd.Index([5, 10.2, 25, 50, 75.2, 100, np.nan])
# Display the Pandas index
print("Pandas Index...\n",index)
# Return the number of elements in the Index
print("\nNumber of elements in the index...\n",index.size)
# Return the dtype of the data
print("\nThe dtype object...\n",index.dtype)
# Check whether index values has only numeric data.
# Numeric data includes integer, floats and NaNs
print("\nIndex values only consists of numeric data?\n",index.is_numeric())輸出
將產生以下輸出 -
Pandas Index... Float64Index([5.0, 10.2, 25.0, 50.0, 75.2, 100.0, nan], dtype='float64') Number of elements in the index... 7 The dtype object... float64 Index values only consists of numeric data? True
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