用 SeaBorn 建立點圖 – Python Pandas
seaborn.pointplot() 用於建立點圖。假設我們的資料集採用了 CSV 檔案形式 - Cricketers.csv
首先,匯入所需的 3 個庫 -
import seaborn as sb import pandas as pd import matplotlib.pyplot as plt
將資料從 CSV 檔案載入至 Pandas DataFrame 中 -
dataFrame = pd.read_csv("C:\Users\amit_\Desktop\Cricketers.csv")
使用 Age 和 Weight 列繪製點圖 -
sb.pointplot(x =dataFrame["Age"], y = dataFrame["Weight"], data = dataFrame)
示例
如下是程式碼 -
import seaborn as sb
import pandas as pd
import matplotlib.pyplot as plt
# Load data from a CSV file into a Pandas DataFrame
dataFrame = pd.read_csv("C:\Users\amit_\Desktop\Cricketers.csv")
# plotting point plot with Age and Weight column
sb.pointplot(x =dataFrame["Age"], y = dataFrame["Weight"], data = dataFrame)
# label
plt.ylabel("Weight (kgs)")
# display
plt.show()輸出
將會產生如下輸出 -

示例
讓我們來看另一個設定了 hue 引數的示例 -
import seaborn as sb
import pandas as pd
import matplotlib.pyplot as plt
# Load data from a CSV file into a Pandas DataFrame
dataFrame = pd.read_csv("C:\Users\amit_\Desktop\Cricketers.csv")
# plotting point plot with Age and Weight column
# we have set the hue parameter as Role columns
sb.pointplot(dataFrame['Age'],dataFrame['Weight'], hue=dataFrame['Role'])
# label
plt.ylabel("Weight (kgs)")
# display
plt.show()輸出
將會產生如下輸出 -

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