Computes the approximate median from all row values in a column or group. Input column can be of Integer or Decimal.


Output: Returns the approximate median of the values in the myRating column.

approximatemedian(function_col_ref) [group:group_col_ref] [limit:limit_count]

ArgumentRequired?Data TypeDescription
function_col_refYstringName of column to which to apply the function
dec_error_boundNdecimalError factor for computing approximations. Decimal value represents error factor as a percentage (0.4 is 0.4%).

For more information on the group and limit parameters, see Pivot Transform.


Name of the column the values of which you want to calculate the median. Column must contain Integer or Decimal values.

Required?Data TypeExample Value
YesString (column reference)myValues


As needed, you can insert an error boundary factor as a parameter into the computation of this approximate value.

Required?Data TypeExample Value
NoDecimal (literal)0.01

Example - Percentile functions