User Tools

Site Tools


api:dk11:delphi:gisstatistics.tgis_statisticalfunctions

TGIS_StatisticalFunctions record

DK11 for Delphi | GisStatistics.TGIS_StatisticalFunctions | Records | Constructors | Fields | Methods

Record with all statistical functions.

Available also on: .NET | Java | ActiveX.

Syntax

// Delphi
type
  TGIS_StatisticalFunctions = record
  end;
// C++ Builder
struct DECLSPEC_DRECORD TGIS_StatisticalFunctions
{
};

Constructors

Inherited Overrides Protected
Name Visibility Description
Create(Boolean) public Create a record and set all statistical functions.
Create(TGIS_StatisticalFunction) public Create a record with active one statistical function.

Fields

Inherited Protected
Name Visibility Description
Average public The average value (arithmetic mean) of dataset.
Count public Number of valid elements in dataset (not empty, not null).
CountMissings public Number of empty or null elements in dataset.
Majority public The value that occurs most often in dataset.
Max public The maximum value in dataset.
Median public The median (middle value) of dataset.
Min public The minimum value in dataset.
Minority public The value that occurs least often in dataset.
Percentile public The value below which a percentage of data falls.
Range public The difference between maximum and minimum values in dataset.
Sample public Extracting sample values from dataset.
StandardDeviation public The standard deviation of dataset.
Sum public The sum of values in dataset.
Unique public Extracting unique values from dataset.
Variance public The variance of dataset.
Variety public The number of unique values in dataset.

Methods

Inherited Overrides Protected
Name Visibility Description
AllStatistics public Prepare a record with active all available statistical functions.
BasicStatistics public Prepare a record with active basic statistical functions.
EmptyStatistics public Prepare a record with deactivate all statistical functions.
StandardStatistics public Prepare a record with active most common statistical functions.

Remarks

The record is used to activate requested statistical functions for calculation by setting True for specific.

Predefined records can be used: EmptyStatistics, BasicStatistics, StandardStatistics and AllStatistics.

References

2019/06/26 01:09