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

approximatemedian(myRating)

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.

function_col_ref

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

dec_error_bound

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