Error in `contrasts<-`(`*tmp*`, value = contr.funs[1 + isOF[nn]]) : contrasts can be applied only to factors with 2 or more levels

tidyverse
1

Convert participation variable to a factor

data$Participation <- factor(data$Participation, ordered = TRUE)

Convert predictor variables to factors

data$Respondents_involvement_in_carnivore_conservation_decisionmaking <- factor(data$Respondents_involvement_in_carnivore_conservation_decisionmaking)
data$Participation_carnivore_conservation_activities <- factor(data$Participation_carnivore_conservation_activities)
model <- clm(Participation ~ Respondents_involvement_in_carnivore_conservation_decisionmaking +

  •              Participation_carnivore_conservation_activities, 

  •          data = data)

Error in contrasts<-(*tmp*, value = contr.funs[1 + isOF[nn]]) :
contrasts can be applied only to factors with 2 or more levels

2

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