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5 Cards in this Set
- Front
- Back
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what is the disadvantage of covariance? |
it isn't a standardized measure covariance values cannot be compared to each other |
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what are quantiles? |
quantiles are values that split data into equal portions ex.quartiles,percentiles,noniles |
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what is the difference between Pearson's Correlation Coefficient and spearman's Rho Correlation Coefficient? |
spearman's Rho Correlation Coefficient uses ranked scores(ordinal data) rather than continuous data like Pearson's Corr.Coe. |
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what is the formula of pearson's correlation coefficient? |
r= cov(x,y) / sxsy |
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what is this the formula of covariance? |
cov(X,Y) = sum(Xi- X)* (Yi-Y) / n |
