The phi coefficient does not calculate numerical order of the variables. Please explain.
What will be an ideal response?
Ans: Even when one of your variables has the categories of recovered or not recovered and you consider recovered to be a superior category with some value, the phi coefficient simply does not recognize this order. For instance, when you compute Pearson’s product moment correlation you use interval level variables with numerical values and order attached to it. Whereas in the value provided for phi coefficient in statistical outputs generated by the computer, there is no numerical value.
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