1、關(guān)于正態(tài)函數(shù) cdf pdf 隨機(jī)數(shù)

from scipy.stats import norm
# cdf(x < val)
## cdf
print (norm.cdf(val, m, s))   
 ## pdf
print (norm.pdf(val, m, s))
##  隨機(jī)數(shù)
random.rand()

2、分位數(shù)

• 當(dāng)前所在分位數(shù)
  scipy.stats.percentileofscore
  

  image.png

• 計(jì)算分為數(shù)
  np.percentile()

  
  
  image.png

未完待續(xù)