Class NpgsqlAggregateDbFunctionsExtensions
Provides extension methods supporting aggregate function translation for PostgreSQL.
Namespace: Microsoft.EntityFrameworkCore
Assembly: Npgsql.EntityFrameworkCore.PostgreSQL.dll
Syntax
public static class NpgsqlAggregateDbFunctionsExtensions
Methods
| Improve this Doc View SourceArrayAgg<T>(DbFunctions, IEnumerable<T>)
Collects all the input values, including nulls, into a PostgreSQL array.
Corresponds to the PostgreSQL array_agg
aggregate function.
Declaration
public static T[] ArrayAgg<T>(this DbFunctions _, IEnumerable<T> input)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><T> | input | The input values to be aggregated into an array. |
Returns
Type | Description |
---|---|
T[] |
Type Parameters
Name | Description |
---|---|
T |
See Also
| Improve this Doc View SourceAverage(DbFunctions, IEnumerable<TimeSpan>)
Computes the average (arithmetic mean) of the non-null input intervals. Corresponds to the PostgreSQL avg
aggregate function.
Declaration
public static TimeSpan? Average(this DbFunctions _, IEnumerable<TimeSpan> input)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><TimeSpan> | input | The input values to be computed into an average. |
Returns
Type | Description |
---|---|
TimeSpan? |
See Also
| Improve this Doc View SourceCorrelation(DbFunctions, IEnumerable<(double, double)>)
Computes the correlation coefficient. Corresponds to the PostgreSQL corr
function.
Declaration
public static double? Correlation(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
CovariancePopulation(DbFunctions, IEnumerable<(double, double)>)
Computes the population covariance. Corresponds to the PostgreSQL covar_pop
function.
Declaration
public static double? CovariancePopulation(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
CovarianceSample(DbFunctions, IEnumerable<(double, double)>)
Computes the sample covariance. Corresponds to the PostgreSQL covar_samp
function.
Declaration
public static double? CovarianceSample(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
JsonAgg<T>(DbFunctions, IEnumerable<T>)
Collects all the input values, including nulls, into a json array. Values are converted to JSON as per to_json
or
to_jsonb
. Corresponds to the PostgreSQL json_agg
aggregate function.
Declaration
public static T[] JsonAgg<T>(this DbFunctions _, IEnumerable<T> input)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><T> | input | The input values to be aggregated into a JSON array. |
Returns
Type | Description |
---|---|
T[] |
Type Parameters
Name | Description |
---|---|
T |
See Also
| Improve this Doc View SourceJsonbAgg<T>(DbFunctions, IEnumerable<T>)
Collects all the input values, including nulls, into a jsonb array. Values are converted to JSON as per to_json
or
to_jsonb
. Corresponds to the PostgreSQL jsonb_agg
aggregate function.
Declaration
public static T[] JsonbAgg<T>(this DbFunctions _, IEnumerable<T> input)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><T> | input | The input values to be aggregated into a JSON array. |
Returns
Type | Description |
---|---|
T[] |
Type Parameters
Name | Description |
---|---|
T |
See Also
| Improve this Doc View SourceJsonbObjectAgg<T1, T2>(DbFunctions, IEnumerable<(T1, T2)>)
Collects all the key/value pairs into a JSON object. Key arguments are coerced to text; value arguments are converted as per
to_jsonb
. Values can be null, but not keys.
Corresponds to the PostgreSQL jsonb_object_agg
aggregate function.
Declaration
public static string JsonbObjectAgg<T1, T2>(this DbFunctions _, IEnumerable<(T1, T2)> keyValuePairs)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(T1, T2)> | keyValuePairs | An enumerable of key-value pairs to be aggregated into a JSON object. |
Returns
Type | Description |
---|---|
string |
Type Parameters
Name | Description |
---|---|
T1 | |
T2 |
See Also
| Improve this Doc View SourceJsonbObjectAgg<T1, T2, TReturn>(DbFunctions, IEnumerable<(T1, T2)>)
Collects all the key/value pairs into a JSON object. Key arguments are coerced to text; value arguments are converted as per
to_jsonb
. Values can be null, but not keys.
Corresponds to the PostgreSQL jsonb_object_agg
aggregate function.
Declaration
public static TReturn JsonbObjectAgg<T1, T2, TReturn>(this DbFunctions _, IEnumerable<(T1, T2)> keyValuePairs)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(T1, T2)> | keyValuePairs | An enumerable of key-value pairs to be aggregated into a JSON object. |
Returns
Type | Description |
---|---|
TReturn |
Type Parameters
Name | Description |
---|---|
T1 | |
T2 | |
TReturn |
See Also
| Improve this Doc View SourceJsonObjectAgg<T1, T2>(DbFunctions, IEnumerable<(T1, T2)>)
Collects all the key/value pairs into a JSON object. Key arguments are coerced to text; value arguments are converted as per
to_json
. Values can be null, but not keys.
Corresponds to the PostgreSQL json_object_agg
aggregate function.
Declaration
public static string JsonObjectAgg<T1, T2>(this DbFunctions _, IEnumerable<(T1, T2)> keyValuePairs)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(T1, T2)> | keyValuePairs | An enumerable of key-value pairs to be aggregated into a JSON object. |
Returns
Type | Description |
---|---|
string |
Type Parameters
Name | Description |
---|---|
T1 | |
T2 |
See Also
| Improve this Doc View SourceJsonObjectAgg<T1, T2, TReturn>(DbFunctions, IEnumerable<(T1, T2)>)
Collects all the key/value pairs into a JSON object. Key arguments are coerced to text; value arguments are converted as per
to_json
. Values can be null, but not keys.
Corresponds to the PostgreSQL json_object_agg
aggregate function.
Declaration
public static TReturn JsonObjectAgg<T1, T2, TReturn>(this DbFunctions _, IEnumerable<(T1, T2)> keyValuePairs)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(T1, T2)> | keyValuePairs | An enumerable of key-value pairs to be aggregated into a JSON object. |
Returns
Type | Description |
---|---|
TReturn |
Type Parameters
Name | Description |
---|---|
T1 | |
T2 | |
TReturn |
See Also
| Improve this Doc View SourceRegrAverageX(DbFunctions, IEnumerable<(double, double)>)
Computes the average of the independent variable, sum(X)/N
.
Corresponds to the PostgreSQL regr_avgx
function.
Declaration
public static double? RegrAverageX(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
RegrAverageY(DbFunctions, IEnumerable<(double, double)>)
Computes the average of the dependent variable, sum(Y)/N
.
Corresponds to the PostgreSQL regr_avgy
function.
Declaration
public static double? RegrAverageY(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
RegrCount(DbFunctions, IEnumerable<(double, double)>)
Computes the number of rows in which both inputs are non-null.
Corresponds to the PostgreSQL regr_count
function.
Declaration
public static long? RegrCount(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
long? |
RegrIntercept(DbFunctions, IEnumerable<(double, double)>)
Computes the y-intercept of the least-squares-fit linear equation determined by the (X, Y) pairs.
Corresponds to the PostgreSQL regr_intercept
function.
Declaration
public static double? RegrIntercept(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
RegrR2(DbFunctions, IEnumerable<(double, double)>)
Computes the square of the correlation coefficient.
Corresponds to the PostgreSQL regr_r2
function.
Declaration
public static double? RegrR2(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
RegrSlope(DbFunctions, IEnumerable<(double, double)>)
Computes the slope of the least-squares-fit linear equation determined by the (X, Y) pairs.
Corresponds to the PostgreSQL regr_slope
function.
Declaration
public static double? RegrSlope(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
RegrSXX(DbFunctions, IEnumerable<(double, double)>)
Computes the “sum of squares” of the independent variable, sum(X^2) - sum(X)^2/N
.
Corresponds to the PostgreSQL regr_sxx
function.
Declaration
public static double? RegrSXX(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
RegrSXY(DbFunctions, IEnumerable<(double, double)>)
Computes the “sum of products” of independent times dependent variables, sum(X*Y) - sum(X) * sum(Y)/N
.
Corresponds to the PostgreSQL regr_sxy
function.
Declaration
public static double? RegrSXY(this DbFunctions _, IEnumerable<(double, double)> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><(double, double)> | values | The values. |
Returns
Type | Description |
---|---|
double? |
StandardDeviationPopulation(DbFunctions, IEnumerable<byte>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<byte> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><byte> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationPopulation(DbFunctions, IEnumerable<decimal>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<decimal> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><decimal> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationPopulation(DbFunctions, IEnumerable<double>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<double> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><double> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationPopulation(DbFunctions, IEnumerable<short>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<short> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><short> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationPopulation(DbFunctions, IEnumerable<int>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<int> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><int> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationPopulation(DbFunctions, IEnumerable<long>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<long> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><long> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationPopulation(DbFunctions, IEnumerable<float>)
Returns the population standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_pop
function.
Declaration
public static double? StandardDeviationPopulation(this DbFunctions _, IEnumerable<float> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><float> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<byte>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<byte> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><byte> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<decimal>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<decimal> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><decimal> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<double>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<double> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><double> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<short>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<short> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><short> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<int>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<int> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><int> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<long>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<long> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><long> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
StandardDeviationSample(DbFunctions, IEnumerable<float>)
Returns the sample standard deviation of all values in the specified expression.
Corresponds to the PostgreSQL stddev_samp
function.
Declaration
public static double? StandardDeviationSample(this DbFunctions _, IEnumerable<float> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><float> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample standard deviation. |
Sum(DbFunctions, IEnumerable<TimeSpan>)
Computes the sum of the non-null input intervals. Corresponds to the PostgreSQL sum
aggregate function.
Declaration
public static TimeSpan? Sum(this DbFunctions _, IEnumerable<TimeSpan> input)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><TimeSpan> | input | The input values to be summed. |
Returns
Type | Description |
---|---|
TimeSpan? |
See Also
| Improve this Doc View SourceVariancePopulation(DbFunctions, IEnumerable<byte>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<byte> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><byte> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VariancePopulation(DbFunctions, IEnumerable<decimal>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<decimal> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><decimal> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VariancePopulation(DbFunctions, IEnumerable<double>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<double> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><double> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VariancePopulation(DbFunctions, IEnumerable<short>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<short> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><short> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VariancePopulation(DbFunctions, IEnumerable<int>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<int> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><int> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VariancePopulation(DbFunctions, IEnumerable<long>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<long> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><long> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VariancePopulation(DbFunctions, IEnumerable<float>)
Returns the population variance of all values in the specified expression.
Corresponds to the PostgreSQL var_pop
function.
Declaration
public static double? VariancePopulation(this DbFunctions _, IEnumerable<float> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><float> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed population variance. |
VarianceSample(DbFunctions, IEnumerable<byte>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<byte> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><byte> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |
VarianceSample(DbFunctions, IEnumerable<decimal>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<decimal> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><decimal> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |
VarianceSample(DbFunctions, IEnumerable<double>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<double> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><double> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |
VarianceSample(DbFunctions, IEnumerable<short>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<short> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><short> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |
VarianceSample(DbFunctions, IEnumerable<int>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<int> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><int> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |
VarianceSample(DbFunctions, IEnumerable<long>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<long> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><long> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |
VarianceSample(DbFunctions, IEnumerable<float>)
Returns the sample variance of all values in the specified expression.
Corresponds to the PostgreSQL var_samp
function.
Declaration
public static double? VarianceSample(this DbFunctions _, IEnumerable<float> values)
Parameters
Type | Name | Description |
---|---|---|
DbFunctions | _ | The |
IEnumerable<><float> | values | The values. |
Returns
Type | Description |
---|---|
double? | The computed sample variance. |