Difference between revisions of "Manuals/calci/COVAR"
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| − | =COVAR( | + | <div style="font-size:30px">'''COVAR (Array1,Array2)'''</div><br/> |
| − | |||
where, | where, | ||
| − | *<math> | + | *<math>Array1</math> is the first array of integers or reference to the cells containing array |
| − | *<math> | + | *<math>Array2</math> is the second array of integers or reference to the cells containing array |
| − | + | **COVAR(), returns covariance, the average of the products of paired deviations. | |
| − | COVAR | ||
== Description == | == Description == | ||
| − | COVAR( | + | COVAR (Array1,Array2) |
*COVAR is used to determine the relationship between two data sets. | *COVAR is used to determine the relationship between two data sets. | ||
| − | *Arguments <math> | + | *Arguments <math>Array1</math>, <math>Array2</math> can be numbers or can be names, arrays or references containing numbers. |
*Values containing text, logical values or empty cells are ignored. | *Values containing text, logical values or empty cells are ignored. | ||
| − | *If either <math> | + | *If either <math>Array1</math> or <math>Array2</math> is empty, Calci displays a NaN error message. |
| − | *The number of data points in <math> | + | *The number of data points in <math>Array1</math> and <math>Array2</math> should be same, else Calci displays a #N/A error message. |
| + | |||
| + | ==ZOS== | ||
| + | *The syntax is to use the COVAR function in ZOS is <math>COVAR (Array1,Array2)</math> | ||
| + | **<math>Array1</math> and <math>Array2</math> are the set of values to find the Covariance. | ||
| + | *For e.g.,COVAR([10,20,15,17,19],[12,22,31,16,45]) | ||
| + | *COVAR([50..57],[17..24]) | ||
== Examples == | == Examples == | ||
| Line 56: | Line 60: | ||
=COVAR(A2:A6,B2:B6) : Returns ''4'' as the output. | =COVAR(A2:A6,B2:B6) : Returns ''4'' as the output. | ||
=COVAR(A2:A5,[12,13,14,15]) : Returns ''2.5'' as the output. | =COVAR(A2:A5,[12,13,14,15]) : Returns ''2.5'' as the output. | ||
| + | |||
| + | ==Related Videos== | ||
| + | |||
| + | {{#ev:youtube|ualmyZiPs9w|280|center|Covariance}} | ||
== See Also == | == See Also == | ||
| Line 64: | Line 72: | ||
*[http://en.wikipedia.org/wiki/Covariance Covariance] | *[http://en.wikipedia.org/wiki/Covariance Covariance] | ||
| + | |||
| + | |||
| + | |||
| + | *[[Z_API_Functions | List of Main Z Functions]] | ||
| + | |||
| + | *[[ Z3 | Z3 home ]] | ||
Latest revision as of 16:52, 7 August 2018
COVAR (Array1,Array2)
where,
- is the first array of integers or reference to the cells containing array
- is the second array of integers or reference to the cells containing array
- COVAR(), returns covariance, the average of the products of paired deviations.
is the first array of integers or reference to the cells containing array
is the second array of integers or reference to the cells containing array
Description
COVAR (Array1,Array2)
- COVAR is used to determine the relationship between two data sets.
- Arguments , can be numbers or can be names, arrays or references containing numbers.
- Values containing text, logical values or empty cells are ignored.
- If either or is empty, Calci displays a NaN error message.
- The number of data points in and should be same, else Calci displays a #N/A error message.
ZOS
- The syntax is to use the COVAR function in ZOS is
- and are the set of values to find the Covariance.
- For e.g.,COVAR([10,20,15,17,19],[12,22,31,16,45])
- COVAR([50..57],[17..24])
Examples
| Array 1 | Array 2 | |
| 2 | 21 | |
| 4 | 22 | |
| 6 | 23 | |
| 8 | 24 | |
| 10 | 25 |
=COVAR(A2:A6,B2:B6) : Returns 4 as the output. =COVAR(A2:A5,[12,13,14,15]) : Returns 2.5 as the output.
Related Videos
See Also
References