Posts by VictorDelgado • 11 points

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  A: 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)…

  r

  answered 6 years, 11 months ago VictorDelgado 11