Difference between revisions of "Anomaly detection"

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(Created page with " Outlier / Anomaly detection == Anomaly detection of numeric data == * Median * Range Checks * All values is event * The values are the same even the column is totally differ...")
 
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* Median
 
* Median
 
* Range Checks
 
* Range Checks
* All values is event
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* All values is event or odd
 
* The values are the same even the column is totally different
 
* The values are the same even the column is totally different
  

Latest revision as of 23:20, 3 September 2021

Outlier / Anomaly detection

Anomaly detection of numeric data[edit]

  • Median
  • Range Checks
  • All values is event or odd
  • The values are the same even the column is totally different

Anomaly detection of categorical data (qualitative variable)[edit]

  • Normal distribution e.g. The interest of audiences should be very different NOT coherent

Anomaly detection for time series data[edit]

  • Trend
  • Dramatically Increase or decrease of rows count for each time period

Anomaly detection for stirng data[edit]

  • created time of the text message
  • time frequency of the text message
  • length of the text message

More on: Outlier - Wikipedia