Data cleaning: Difference between revisions
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== Counting == | == Counting == | ||
[[Count occurrences of a word in string]] | * [[Count occurrences of a word in string]] | ||
* Count number of unique values | |||
** Excel: [https://www.excel-easy.com/examples/count-unique-values.html Count Unique Values in Excel - Easy Excel Tutorial] | |||
** Google sheet: [https://support.google.com/docs/answer/3093405?hl=zh-Hant COUNTUNIQUE - 文件編輯器說明] | |||
== Outlier / Anomaly detection == | == Outlier / Anomaly detection == | ||