用 SeaBorn 创建点图 – Python Pandas
seaborn.pointplot() 用于创建点图。假设我们的数据集采用了 CSV 文件形式 - Cricketers.csv
首先,导入所需的 3 个库 -
import seaborn as sb import pandas as pd import matplotlib.pyplot as plt
将数据从 CSV 文件加载至 Pandas DataFrame 中 -
dataFrame = pd.read_csv("C:\Users\amit_\Desktop\Cricketers.csv")
使用 Age 和 Weight 列绘制点图 -
sb.pointplot(x =dataFrame["Age"], y = dataFrame["Weight"], data = dataFrame)
示例
如下是代码 -
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()输出
将会产生如下输出 -

示例
让我们来看另一个设置了 hue 参数的示例 -
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()输出
将会产生如下输出 -

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