Interpreting the correlation coefficient

You can use the output of random_int_slope_model to determine if the random intercepts and random slopes are correlated, and get a general idea of what those relationships might look like. As a reminder, here is what you might expect to see based on the value of the population level slope and the correlation coefficient.

Which of the following statements would you expect to be true?

Note that the orchids data set, nlme library, and random_int_slope_model have been preloaded.

Possible Answers

Positive overall slope
No correlation between within-site lines
Positive overall slope
Negative correlation between within-site lines
Negative overall slope.
Positive correlation between within-site lines
Negative overall slope.
Negative correlation between within-site lines

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Exercise

Interpreting the correlation coefficient

Instructions

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