Error in Oversampling example in R

Asked Jul 30 '18 at 10:20

Active Jul 30 '18 at 10:30

Viewed 63 times

I am runing below code for oversampling in R

varNames1 = paste0("Quote.Type","+","Quote.State","+","Forecast.Type","+","Suggested.Reseller.Discount","+","Territory","+","Pricing.Type")

ctrl <- trainControl(method = "repeatedcv", 
                                           number = 10, 
                                           repeats = 10, 
                                           verboseIter = FALSE,
                                           sampling = "up")

set.seed(42)
model_rf_under <- caret::train(renew.dev$Result ~ varNames1,
                               data = renew.dev,
                               method = "rf",
                               preProcess = c("scale", "center"),
                               trControl = ctrl)

This is throwing below error for me. Can anyone please help.

Error in model.frame.default(form = renew.dev$Result ~ varNames1, data = renew.dev,  : 
  variable lengths differ (found for 'varNames1')

edited Jul 30 '18 at 10:30

Stephan

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asked Jul 30 '18 at 10:20

Jaivinder Negi

Hi Jaivinder, would you give us a reproducible example please ? Because object 'renew.dev' not found. Thanks – Alex Yahiaoui Martinez Jul 30 '18 at 10:29
1

The construction of the formula is incorrect. Use: `as.formula(paste0("Result ~ ", varNames1 ))` instead of `renew.dev$Result ~ varNames1`. – Juan Antonio Roldán Díaz Jul 30 '18 at 11:00
I m in learning phase and this was valuable, Thanks @JuanAntonioRoldánDíaz that worked for me. – Jaivinder Negi Jul 30 '18 at 14:22

Error in Oversampling example in R

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