![Python如何讀取excel檔(.xlsx)?如何用欄標籤提取某一直行?df=pandas.read_excel() ; df["欄標籤"] - 儲蓄保險王](https://savingking.com.tw/wp-content/uploads/2022/05/20220512092421_65.png){kind=small}
import pandas as pd
f3 = r”C:\Python\example\csvreader\skl_cashFlowIRR2.xlsx”
df3 = pd.read_excel(f3) ;
print( df3,”\n”,type(df3) ) #DataFrame
print( df3[“Cash Flow 1″],”\n”,type(df3[“Cash Flow 1”])) #Series
print( list(df3[“Cash Flow 1”]) )
#取得到這個list,
#就可以用numpy_financial.irr()計算內部報酬率
![Python如何讀取excel檔(.xlsx)?如何用欄標籤提取某一直行?df=pandas.read_excel() ; df["欄標籤"] - 儲蓄保險王](https://savingking.com.tw/wp-content/uploads/2022/11/20221109163631_39.png)
輸出:
![Python如何讀取excel檔(.xlsx)?如何用欄標籤提取某一直行?df=pandas.read_excel() ; df["欄標籤"] - 儲蓄保險王](https://savingking.com.tw/wp-content/uploads/2022/11/20221109163816_19.png)
![Python: 如何用numpy.ndarray的reshape 將3D array轉為2D array,再轉為pandas.DataFrame? arr.reshape(arr.shape[0]*arr.shape[1], -1)](https://i0.wp.com/savingking.com.tw/wp-content/uploads/2023/03/20230320082325_85.png?quality=90&zoom=2&ssl=1&resize=350%2C233 "Python: 如何用numpy.ndarray的reshape 將3D array轉為2D array,再轉為pandas.DataFrame? arr.reshape(arr.shape[0]*arr.shape[1], -1)")
![Python: 字串 str.find(關鍵字[,start][,end]),找不到的話回傳-1,如何找出資料字串中,所有關鍵字的index?詞頻計算](https://i0.wp.com/savingking.com.tw/wp-content/uploads/2022/11/20221122100657_32.png?quality=90&zoom=2&ssl=1&resize=350%2C233 "Python: 字串 str.find(關鍵字[,start][,end]),找不到的話回傳-1,如何找出資料字串中,所有關鍵字的index?詞頻計算")
![Python 如何做excel的樞紐分析? pandas.DataFrame.groupby() ; .agg( {column name: function name} ) ; 如何讀取多層index的xlsx檔案? df = pandas.read_excel (fpath, index_col =[0,1]) ; 如何顯示所有欄? pd.set_option ( “display.max_columns”, None)](https://i2.wp.com/savingking.com.tw/wp-content/uploads/2023/03/20230321113121_64.png?quality=90&zoom=2&ssl=1&resize=350%2C233 "Python 如何做excel的樞紐分析? pandas.DataFrame.groupby() ; .agg( {column name: function name} ) ; 如何讀取多層index的xlsx檔案? df = pandas.read_excel (fpath, index_col =[0,1]) ; 如何顯示所有欄? pd.set_option ( “display.max_columns”, None)")
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