regr_slope
Calculates the linear regression coefficient for the slope of the line of best fit for the x and y values where x and y are not unbound.
Parameter | Type | Description |
|---|---|---|
| decimal, double | the independent variable |
| decimal, double | the dependent variable |
Returns: decimal
Example
Query:
PREFIX : <https://ddw-doccorp.linked.data.world/d/sparql-aggregation-sample-queries/>
PREFIX agg: <http://data.world/function/aggregate#>
SELECT (agg:regr_slope(?foo, ?bar) AS ?regr_slope)
{
[
:col-aggregations-foo ?foo ;
:col-aggregations-bar ?bar
]
}Result:
regr_slope |
|---|
-0.31478 |