Posts by VictorDelgado • 11 points
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viewsA: Second-degree Polynomial Regression in R: How to Obtain X given Y?
Adapting the previous answers with data more similar to the question and understanding that the x result should be in the 7 categories ("levels") of described values: v <- c(25,50,75,100,125)…
ranswered VictorDelgado 11