add the doc for kurtois_pop

goldmedal · Sep 1, 2024 · dffe838 · dffe838
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commit dffe838
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diff --git a/docs/source/user-guide/sql/aggregate_functions.md b/docs/source/user-guide/sql/aggregate_functions.md
@@ -252,6 +252,7 @@ last_value(expression [ORDER BY expression])
 - [regr_sxx](#regr_sxx)
 - [regr_syy](#regr_syy)
 - [regr_sxy](#regr_sxy)
+- [kurtosis_pop](#kurtosis_pop)
 
 ### `corr`
 
@@ -527,6 +528,19 @@ regr_sxy(expression_y, expression_x)
 - **expression_x**: Independent variable.
   Can be a constant, column, or function, and any combination of arithmetic operators.
 
+### `kurtosis_pop`
+
+Computes the excess kurtosis (Fisher’s definition) without bias correction.
+
+```
+kurtois_pop(expression)
+```
+
+#### Arguments
+
+- **expression**: Expression to operate on.
+  Can be a constant, column, or function, and any combination of arithmetic operators.
+
 ## Approximate
 
 - [approx_distinct](#approx_distinct)