| Parameter | Type | Description | 
|---|---|---|
| ys | decimal, double | the independent variable. | 
| xs | decimal, double | The dependent variable | 
Returns: decimal
Example
query:
SELECT COVAR_SAMP(flux, time_bjd_2454833)
  FROM tabbysstarfluxresult:
| covar_samp | 
|---|
| -4.85 | 
Sample covariance.
| Parameter | Type | Description | 
|---|---|---|
| ys | decimal, double | the independent variable. | 
| xs | decimal, double | The dependent variable | 
query:
SELECT COVAR_SAMP(flux, time_bjd_2454833)
  FROM tabbysstarfluxresult:
| covar_samp | 
|---|
| -4.85 | 
CORRELATION, COVAR_POP, STD_POP, STD_SAMP, STDEV, VAR_POP, VAR_SAMP, VARIANCE, SKEWNESS, KURTOSIS