Python Pandas - 在一個 DataFrame 中繪製多條資料列?
要繪製多條列,我們將繪製一個條形圖。使用 plot() 方法並將 kind 引數設定為 bar 以繪製條形圖。讓我們首先匯入所需的庫 -
import pandas as pd import matplotlib.pyplot as mp
下面是我們的球隊記錄資料 -
data = [["Australia", 2500, 2021],["Bangladesh", 1000, 2021],["England", 2000, 2021],["India", 3000, 2021],["Srilanka", 1500, 2021]]
將資料設定為 Pandas DataFrame 並新增列 -
dataFrame = pd.DataFrame(data, columns=["Team","Rank_Points", "Year"])
在條形圖中繪製多條列。我們為此將“kind”引數設定為“bar” -
dataFrame.plot(x="Team", y=["Rank_Points","Year" ], kind="bar", figsize=(10, 9))
示例
以下是程式碼 -
import pandas as pd import matplotlib.pyplot as mp # our data data = [["Australia", 2500, 2021],["Bangladesh", 1000, 2021],["England", 2000, 2021],["India", 3000, 2021],["Srilanka", 1500, 2021]] # dataframe dataFrame = pd.DataFrame(data, columns=["Team","Rank_Points", "Year"]) # plotting multiple columns in a bar Graph dataFrame.plot(x="Team", y=["Rank_Points","Year" ], kind="bar", figsize=(10, 9)) # displaying bar graph mp.show()
輸出
這將生成以下輸出 -
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