張晨光--AAA軟體教育 報名QQ：3246333637
import pandas as pd
import numpy as np
dates=pd.date_range('20081001',periods=7)
df=pd.DataFrame(np.random.randn(7,4),index=dates,columns=list('ABCD'))
print("index is:")
print(df.index)
print("column is:")
print(df.columns)
print("value is:")
print(df.values)
print("-"*32)
print(df.describe())D:\Programs\Python\Python36\python.exe D:/aaa/pandasdemo/pandas2.py index is: DatetimeIndex(['2008-10-01', '2008-10-02', '2008-10-03', '2008-10-04', '2008-10-05', '2008-10-06', '2008-10-07'], dtype='datetime64[ns]', freq='D') column is: Index(['A', 'B', 'C', 'D'], dtype='object') value is: [[ 0.63424428 1.10095283 -0.66181727 -0.65113561] [-0.87622164 1.24320172 -2.20035782 0.50736403] [ 2.52492648 0.16699796 0.35049536 -1.8868142 ] [ 1.30422257 0.10991641 0.85137072 -1.40550629] [-0.80097511 -0.1881843 -0.75235661 -0.89326946] [-0.62392825 0.65573963 0.7682292 -1.15338121] [-0.1981631 -0.36213939 -0.49770702 -1.39590736]] -------------------------------- A B C D count 7.000000 7.000000 7.000000 7.000000 mean 0.280586 0.389498 -0.306020 -0.982664 std 1.275754 0.623459 1.070486 0.767494 min -0.876222 -0.362139 -2.200358 -1.886814 25% -0.712452 -0.039134 -0.707087 -1.400707 50% -0.198163 0.166998 -0.497707 -1.153381 75% 0.969233 0.878346 0.559362 -0.772203 max 2.524926 1.243202 0.851371 0.507364
Process finished with exit code 0
註釋:
對於數值資料，結果的索引將包括計數，平均值，標準差，最小值，最大值以及較低的百分位數和50。預設情況下，較低的百分位數為25，較高的百分位數為75.50百分位數與中位數相同。