Correlation

Calculates the correlation of two sets of numeric data.

若要使用此指令...

Choose Data - Statistics - Correlation

The correlation coefficient (a value between -1 and +1) means how strongly two variables are related to each other. You can use the CORREL function or the Data Statistics to find the correlation coefficient between two variables.

A correlation coefficient of +1 indicates a perfect positive correlation.

A correlation coefficient of -1 indicates a perfect negative correlation

For more information on statistical correlation, refer to the corresponding Wikipedia article.

資料

Input Range: The reference of the range of the data to analyze.

Results to: The reference of the top left cell of the range where the results will be displayed.

Grouped By

Select whether the input data has columns or rows layout.

Example

The following data will be used as example

	A	B	C
1	Maths	Physics	Biology
2	47	67	33
3	36	68	42
4	40	65	44
5	39	64	60
6		38	43
7	47	84	62
8	29	80	51
9	27	49	40
10	57	49	12
11	56	33	60
12	57
13	26

The following table displays the results of the correlation of the sample data above.

Correlations	Column 1	Column 2	Column 3
Column 1	1
Column 2	-0.4029254917	1
Column 3	-0.2107642836	0.2309714048	1