Anomaly detection: Difference between revisions
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* All values is event or odd | * 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 | ||
== Anomaly detection of categorical data (qualitative variable) == | == Anomaly detection of categorical data (qualitative variable) == | ||
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* Dramatically Increase or decrease of rows count for each time period | * Dramatically Increase or decrease of rows count for each time period | ||
== Anomaly detection for | == Anomaly detection for consumer data == | ||
* For consumer data | |||
** Season issue: consumption data of coat (大衣) and cold weather (winter 冬天) | |||
** Holiday issue: consumption data of special holiday e.g. Mid-Autumn Festival / Moon Festival | |||
== Anomaly detection for string data == | |||
* created time of the text message | * created time of the text message | ||