Difference between revisions of "Manuals/calci/DVAR"

Latest revision as of 13:50, 24 August 2018

DVAR (Array,Field,Criteria)

Where $Array$ is the range of cells that makes up the list or database
$Field$ shows which column is used in the function and
is the range of cells that contains the specified criteria.
- DVAR(), estimates variance based on a sample from selected database entries.

Description

DVAR (Array,Field,Criteria)

A $Field$ argument can be expressed as "Salary" (a column name) or 3(position of the column).
$Criteria$ can be any range on the Calci with minimum of one column and at least one row indicating the condition.
The $Criteria$ columns should not overlap the list of data.

Examples

	A	B	C	D
1	Name	Age	Salary	Age
2		<40	>8000	>32
3		>30
4	Name	Age	Salary
5	John	34	5500
6	Bill	35	6500
7	Clark	29	7000
8	Bob	45	9000
9	Susan	37	4000
10	Jill	45	8000

=DVAR(A4:C10,"Age",C1:C3)   : Calculates the estimated variance for 'Age' column in the range A4 to C10, for the cells with Salary>8000. 
Returns 41.9524 as a result.
=DVAR(A4:C10,3,B1:B3)   : Calculates the estimated variance for 'salary' in the range A4 to C10, for the cells with 40>Age>30. 
Returns 2819444.4444444445 as a result.

References

List of Aggregate Functions

List of Main Z Functions

Z3 home

@@ Line 1: / Line 1: @@
-=DVAR(database, field, criteria)=
+<div style="font-size:30px">'''DVAR (Array,Field,Criteria)'''</div><br/>
+*Where <math>Array</math> is the range of cells that makes up the list or database
-*Where <math>database</math> is the range of cells that makes up the list or database
+*<math>Field</math> shows which column is used in the function and
+*<math>Criteria</math> is the range of cells that contains the specified criteria.
-*<math>field</math> shows which column is used in the function and
+**DVAR(), estimates variance based on a sample from selected database entries.
-*<math>criteria</math> is the range of cells that contains the specified criteria.
-DVAR() calculates the estimates of the variance of a population, based on sample by using data in a specified column that matches the specified criteria.
 == Description ==
-DVAR(database, field, criteria)
+DVAR (Array,Field,Criteria)
-*A <math>field</math> argument can be expressed as "Salary" (a column name) or 3(position of the column).
+*A <math>Field</math> argument can be expressed as "Salary" (a column name) or 3(position of the column).
-*<math>criteria</math> can be any range on the Calci with minimum of one column and at least one row indicating the condition.
+*<math>Criteria</math> can be any range on the Calci with minimum of one column and at least one row indicating the condition.
-*The <math>criteria</math> columns should not overlap the list of data.
+*The <math>Criteria</math> columns should not overlap the list of data.
 == Examples ==
@@ Line 22: / Line 18: @@
 {| id="TABLE3" class="SpreadSheet blue"
 |- class="even"
+| class="sshl_f" |
+| class="sshl_f" | A
+| class="sshl_f" | B
+| class="sshl_f" | C
+| class="sshl_f" | D
+|- class="odd"
+| class="sshl_f" | 1
 | class="sshl_f" | '''Name'''
 | class="sshl_f" | '''Age'''
 | class="sshl_f" | '''Salary'''
 | class="sshl_f" | '''Age'''
-|- class="odd"
+|- class="even"
+| class="sshl_f" | 2
 | class="sshl_f" |
 | class="sshl_f" | &lt;40
 | class="sshl_f" | &gt;8000
 | class="sshl_f" | &gt;32
-|- class="even"
+|- class="odd"
+| class="sshl_f" | 3
 | class="sshl_f" |
 | class="sshl_f" | &gt;30
 | class="sshl_f" |
 | class="sshl_f" |
-|- class="odd"
+|- class="even"
+| class="sshl_f" | 4
 | class="sshl_f" | '''Name'''
 | class="sshl_f" | '''Age'''
 | class="sshl_f" | '''Salary'''
 | class="sshl_f" |
-|- class="even"
+|- class="odd"
+| class="sshl_f" | 5
 | class="sshl_f" | John
 | class="sshl_f" | 34
 | class="sshl_f" | 5500
 | class="sshl_f" |
-|- class="odd"
+|- class="even"
+| class="sshl_f" | 6
 | class="sshl_f" | Bill
 | class="sshl_f" | 35
 | class="sshl_f" | 6500
 | class="sshl_f" |
-|- class="even"
+|- class="odd"
+| class="sshl_f" | 7
 | class="sshl_f" | Clark
 | class="sshl_f" | 29
 | class="sshl_f" | 7000
 | class="sshl_f" |
-|- class="odd"
+|- class="even"
+| class="sshl_f" | 8
 | class="sshl_f" | Bob
 | class="sshl_f" | 45
 | class="sshl_f" | 9000
 | class="sshl_f" |
-|- class="even"
+|- class="odd"
+| class="sshl_f" | 9
 | class="sshl_f" | Susan
 | class="sshl_f" | 37
 | class="sshl_f" | 4000
 | class="sshl_f" |
-|- class="odd"
+|- class="even"
+| class="sshl_f" | 10
 | class="sshl_f" | Jill
 | class="sshl_f" | 45
@@ Line 74: / Line 96: @@
-  =DVAR(A4:C10,"Age",C1:C2)   : Calculates the estimated variance for 'Age' column in the range A4 to C10, for the cells with Salary>8000. ''Returns 41.952380952380956'' as a result.
+  =DVAR(A4:C10,"Age",C1:C3)   : Calculates the estimated variance for 'Age' column in the range A4 to C10, for the cells with Salary>8000. <br/>Returns '''41.9524''' as a result.
-  =DVAR(A4:C10,3,B1:B3)   : Calculates the estimated variance for 'salary' in the range A4 to C10, for the cells with 40>Age>30. ''Returns 2819444.4444444445'' as a result.
+  =DVAR(A4:C10,3,B1:B3)   : Calculates the estimated variance for 'salary' in the range A4 to C10, for the cells with 40>Age>30. <br/>Returns '''2819444.4444444445''' as a result.
+==Related Videos==
+{{#ev:youtube|2Msme90PC58|280|center|DVAR}}
 == See Also ==
@@ Line 84: / Line 109: @@
 *[http://en.wikipedia.org/wiki/Aggregate_function List of Aggregate Functions]
+*[[Z_API_Functions | List of Main Z Functions]]
+*[[ Z3 |   Z3 home ]]

Difference between revisions of "Manuals/calci/DVAR"

Latest revision as of 13:50, 24 August 2018

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Description

Examples

Related Videos

See Also

References

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