src/Shared/EntityFramework/Core/Objects/EntityFunctions.cs
/// <summary>
/// When used as part of a LINQ to Entities query, this method invokes the canonical StDev EDM function to calculate
/// the standard deviation of the collection.
/// </summary>
/// <remarks>
/// You cannot call this function directly. This function can only appear within a LINQ to Entities query.
/// This function is translated to a corresponding function in the database.
/// </remarks>
/// <param name="collection"> The collection over which to perform the calculation. </param>
/// <returns> The standard deviation. </returns>
When used as part of a LINQ to Entities query, this method invokes the canonical StDev EDM function to calculate
the standard deviation of the collection.
When used as part of a LINQ to Entities query this method invokes the canonical StDev EDM function to calculate the standard deviation of the collection .
[DbFunction("Edm", "StDev")]
        public static double? StandardDeviation(IEnumerable<int> collection)
        {
            return DbFunctions.StandardDeviation(collection);
        }
[ DbFunction ( " " , " " ) ] public static double ? StandardDeviation ( IEnumerable < int > collection ) { return DbFunctions . StandardDeviation ( collection ) ; }
When used as part of a LINQ to Entities query, this method invokes the canonical StDev EDM function to calculate
the standard deviation of the collection.
When used as part of a LINQ to Entities query this method invokes the canonical StDev EDM function to calculate the standard deviation of the collection .
The standard deviation.
The standard deviation .
collection
IEnumerable<int>
The collection over which to perform the calculation.
The collection over which to perform the calculation .
remarks
You cannot call this function directly. This function can only appear within a LINQ to Entities query.
This function is translated to a corresponding function in the database.
You cannot call this function directly . This function can only appear within a LINQ to Entities query . This function is translated to a corresponding function in the database .