Hi All,
Hope you are doing great.
I have a question i dont know if this is a right question to ask.
Is there a way to combine Correlation and Probability . My idea is that if something is correlated to something then what is the probability that will be exactly that much correlated.
For Example Y is depended Variable and X is Dependent .
Correlation = .70
What would be the probability that it will be .70 all the time ..is it a silly thought ?
Regards
Kanchan
This post might help: Understanding your data- the difference between correlation and conditional probability
http://versionone.vc/correlation-probability/
This post might help: Understanding your data- the difference between correlation and conditional probability
http://versionone.vc/correlation-probability/
Thanks this helped
I think you are asking about a parameter in the population and how it is "realized" in a sample taken from the population.
If you have two variables X and Y that are correlated with R=0.7, the question to ask is "if I draw a sample of N pairs of (x,y), what will the correlation be in this sample?" The field of statistics is essentially dedicated to this question and its generalizations. The basic answer is that if N is very large, then the sample correlation will be very close to 0.7. Statistics uses tools from mathematics to answer "how close." In general, the answer doesn't just depend on N, but also on the joint distribution of X and Y.
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