我就廢話不多說了，直接上代碼吧！

# -*- coding: utf-8 -*-

"""

Created on Thu Jun 22 17:03:16 2017

@author: yunjinqi

E-mail:yunjinqi@qq.com

Differentiate yourself in the world from anyone else.

"""

import pandas as pd

import numpy as np

import matplotlib.pyplot as plt

import statsmodels.tsa.stattools as ts

import statsmodels.api as sm

from statsmodels.graphics.api import qqplot

from statsmodels.sandbox.stats.runs import runstest_1samp

import scipy.stats as sts

namelist=['cu','al','zn','pb','sn','au','ag','rb','hc','bu','ru','m9','y9','a9',

'p9','c9','cs','jd','l9','v9','pp','j9','jm','i9','sr','cf',

'zc','fg','ta','ma','oi','rm','sm']

j=0

for i in namelist:

filename='C:/Users/HXWD/Desktop/數據/'+i+'.csv'

data=pd.read_csv(filename,encoding='gbk')

data.columns=['date','open','high','low','close','amt','opi']

data.head()

data=np.log(data['close'])

r=data-data.shift(1)

r=r.dropna()

#print(r)

rate = np.array(list(r))

print('品種{}數據長度{}均值{}標準差{}方差{}偏度{}峰度{}'.format(i,len(rate),

rate.mean(),rate.std(),rate.var(),sts.skew(rate),

sts.kurtosis(rate)))

#結果

品種cu數據長度4976均值0.00012152573153376814標準差0.014276535327917023方差0.0002038194609692628偏度-0.16028824462338614峰度2.642455989417427

品種al數據長度5406均值-2.3195089066551237e-05標準差0.009053990835143359方差8.197475004285994e-05偏度-0.34748915595295604峰度5.083890815632417

品種zn數據長度2455均值-0.00011823058103745542標準差0.016294570963077237方差0.00026551304287075983偏度-0.316153612624431峰度1.7208737518119293

品種pb數據長度1482均值-9.866770650275384e-05標準差0.011417348325010642方差0.0001303558427746233偏度-0.21599833469407717峰度5.878332673854807

品種sn數據長度510均值0.00034131697514080907標準差0.013690993291257949方差0.00018744329730127014偏度0.024808842588775293峰1.072347367872859

品種au數據長度2231均值0.0001074021979121701標準差0.012100456199756058方差0.00014642104024221482偏度-0.361814930575112峰度4.110915875328322

品種ag數據長度1209均值-0.0003262089978362889標準差0.014853094655086982方差0.00022061442083297348偏度-0.2248883178719188峰度4.296247290616826

品種rb數據長度1966均值-6.984154093694264e-05標準差0.013462363746262961方差0.00018123523763669528偏度0.07827546016742666峰度5.198115698123077

品種hc數據長度758均值-7.256339078572361e-05標準差0.01710980071993581方差0.000292745280675916偏度-0.08403481899486816峰度3.6250669416786323

品種bu數據長度864均值-0.0006258998207218544標準差0.01716581014361468方差0.0002946650378866246偏度-0.41242405508236435峰度2.437556911829674

品種ru數據長度4827均值5.17426767764321e-05標準差0.016747187916000945方差0.00028046830309384806偏度-0.1986573449586119峰度1.736876616149547

品種m9數據長度4058均值8.873778774208505e-05標準差0.012812626470272115方差0.0001641633970667177偏度-0.12119836197638824峰度2.159984922606264

品種y9數據長度2748均值4.985975458693667e-05標準差0.012855191360434762方差0.00016525594491339655偏度-0.33456507243405786峰度2.566586342814616

品種a9數據長度5392均值9.732600802295795e-05標準差0.010601259945310599方差0.00011238671242804687偏度-0.08768586026629852峰度3.898562231789457

品種p9數據長度2311均值-0.00021108840931287863標準差0.014588073181583774方差0.00021281187915124373偏度-0.2881364812318466峰度1.693401619226936

品種c9數據長度3075均值0.00010060972262212708標準差0.007206853641314312方差5.1938739407325355e-05偏度-5.204419912904765e-05峰6.074899127691497

品種cs數據長度573均值-0.0006465907683602394標準差0.011237570390237955方差0.00012628298827555283偏度0.10170996173895988峰度1.176384982024672

品種jd數據長度847均值-9.035290965408637e-05標準差0.01167344224455134方差0.00013626925383687581偏度-0.0682866825422671峰度2.0899893901516133

品種l9數據長度2370均值-0.00014710186232216803標準差0.014902467199956509方差0.00022208352864577958偏度-0.2105262196327885峰度1.8796065573836

品種v9數據長度1927均值-5.190379527562386e-05標準差0.010437020362123387方差0.00010893139403937818偏度-0.050531345744352064峰度3.47595007264211

品種pp數據長度773均值-0.0003789841804842144標準差0.01439578332841083方差0.00020723857763855122偏度0.05479337073436029峰度1.3397870170464232

品種j9數據長度1468均值-0.00021854062264841954標準差0.01639429047795793方差0.000268772760275662偏度-0.10048542944058193峰度5.156597958913997

品種jm數據長度997均值-0.00011645794468155402標準差0.01792430947223131方差0.000321280870056321偏度0.0010592028961588294峰度3.743159578760195

品種i9數據長度862均值-0.0007372124442033161標準差0.021187573227350754方差0.0004489132592643504偏度0.00014411506989559858峰度1.585951370650

品種sr數據長度2749均值0.00012213466321006727標準差0.012183745931527473方差0.00014844366492401223偏度-0.038613285961243735峰度2.520231613626

品種cf數據長度3142均值2.2008517526768612e-05標準差0.010657271857464626方差0.00011357744344390753偏度-0.034412876065561426峰度5.6421501855702

品種zc數據長度475均值0.00041282070613302206標準差0.015170141171075784方差0.00023013318315036853偏度-0.1393361750238265峰度1.2533894316392926

品種fg數據長度1068均值-1.57490340832121e-05標準差0.013148411070446203方差0.00017288071367743227偏度0.008980132282547534峰度1.9028507879273144

品種ta數據長度2518均值-0.00023122774877981512標準差0.013637519813532077方差0.00018598194666447998偏度-0.9126347458178135峰度10.954670464918

品種ma數據長度700均值-0.00024988691257348835標準差0.015328611435734359方差0.00023496632854772616偏度0.0164362832185746峰度1.1736088397060

品種oi數據長度1098均值-0.0004539513793265549標準差0.009589990427720812方差9.196791640377678e-05偏度-0.28987574371279706峰度3.871322266527967

品種rm數據長度1049均值1.458523923966432e-05標準差0.013432556545527753方差0.00018043357534880047偏度-0.053300026893851014峰度1.3938292783638

品種sm數據長度548均值-3.179600698107184e-05標準差0.020018458278106444方差0.00040073867183228846偏度-2.6734390275887647峰度31.533801188366837

#正態分布的偏度應該是0，峰度是3，所以，不滿者這些的都是非標準正態分布

以上這篇python 實現檢驗33品種數據是否是正態分布就是小編分享給大家的全部內容了，希望能給大家一個參考，也希望大家多多支持腳本之家。

總結

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