Computes the cumulative variance in a dataset up to each row or column.

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Computes the cumulative variance in a dataset up to each row or column. Variance is a measure of the spread of values in a set. Read more about variance on Wikipedia https://en.wikipedia.org/wiki/Variance

2.33 is the variance of the set [2, 4, 6] because it is calculated as ((2-4)^2 + (4-4)^2 + (6-4)^2) / 3 = 2.33.

Shows how much the data spread changes over time. It can be used in predictive modelling and risk management.

  • Microsoft Excel: VAR
  • Google Sheets: -
  • Apple Numbers: -
  • Python Pandas: df['column_name'].expanding().var()
  • Related Words: calculate cumulative variance, variance of all preceding values

This is normal for a web based application. We recommend uploading data up to 6000 columns and rows. If you encounter lag, you can reduce the sheet size.

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