FAQ Database Discussion Community


Why do I get this error below while using the Cubist package in R?

r,regression,decision-tree,non-linear-regression
I have some personal dataset. So I split it into variable to predict and predictors. Following is the syntax: library(Cubist) str(A) 'data.frame': 6038 obs. of 3 variables: $ ads_return_count : num 7 10 10 4 10 10 10 10 10 9 ... $ actual_cpc : num 0.0678 0.3888 0.2947 0.0179...

Multiple iterations of quadratic regression in R

r,datetime,iteration,non-linear-regression
I am analyzing meteorological data that is collected on a long term basis at regular intervals (every 15 to 60 minutes for most of the data). Temperature and other measures of the effect of solar radiation have daily cycles. I am trying to describe average exposure to solar radiation for...

Fitting Non-linear Langmuir Isotherm in R

r,nonlinear-functions,nls,non-linear-regression
I want to fit Isotherm models for the following data in R. The simplest isotherm model is Langmuir model given here model is given in the bottom of the page. My MWE is given below which throw the error. I wonder if there is any R package for Isotherm models....