# Thread: Correlation question

1. ## Correlation question

This might be a stupid question but can I test if A has correlation with x, y or z when x, y and z are percentages? For example:

Code:
``````A	x	y	z
0,1	0,8	0,1	0,1
0,03	0,7	0,05	0,25
0,05	0,6	0,05	0,35
0,09	0,6	0,01	0,39
0,04	0,7	0,04	0,26
0,02	0,95	0,05	0
0,06	0,65	0,3	0,05``````

My problem is that I dont know is it a problem that when you for example increase x then both y or z or one of them need to decrease.

2. ## Re: Correlation question

You can test interval data with correlations and percentages commonly are that. But I am confused why you apear to have two values in each cell. Correlation is only between single values in a cell (or all the types I know do anyhow).

3. ## Re: Correlation question

Hullu could be German where a commar is used to denote decimal places rather than a dot.

4. ## Re: Correlation question

Originally Posted by hullu1234
This might be a stupid question but can I test if A has correlation with x, y or z when x, y and z are percentages? For example:

Code:
``````A    x    y    z
0,1    0,8    0,1    0,1
0,03    0,7    0,05    0,25
0,05    0,6    0,05    0,35
0,09    0,6    0,01    0,39
0,04    0,7    0,04    0,26
0,02    0,95    0,05    0
0,06    0,65    0,3    0,05``````
My problem is that I dont know is it a problem that when you for example increase x then both y or z or one of them need to decrease.
What I can see from your data is X+Y+Z=1(100 %). So, it not a problem that when you for example increase x then both y or z or one of them need to decrease.
For statistical analysis you just need to consider two variable.( eg: X &Y)

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