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Introduction To Statitics

Introduction To Statitics

作者: asuka_19d5 | 来源:发表于2018-11-06 06:34 被阅读0次
  • understand p-value
    • it is a probability
    • non hypothesis
    • more extreme case
  • if p-value == 0.05
    • if you don't care type 1 error, you can change the threshold of p-value to 0.1 image.png
  • statistics descirbes a numeric set of data by its center, variability, shape
  • statittics describes a categorical set of data by its frequency, probability or propotion of each category
Variable:
  • nominal: no order
  • ordinal: with an inherent rank or order e.g. mild, moderate, severe
  • continuous
Distribution:
  • unimodal
  • bimodal / multimodal
  • symmetric

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