Greetings all,
I am running a random forest machine model using caret however I am now seeing a rlang error popping up. I am running:
- 'dplyr’ version 0.7.8
- caret ver. 6.0-81
- randomForest ver. 4.6-14
- version.string R version 3.4.4 (2018-03-15)
- Rstudio Version 1.1.463
I could not find that much on StackOverflow that was helpful.
Any suggestions would be helpful.
Cheers
> rf1 <- train(train_transformed$Class ~ .,
+ data = train_transformed,
+ method = "rf",
+ tuneGrid = my_grid1,
+ trControl = train_control)
Aggregating results
Fitting final model on full training set
Error: Column `train_transformed` not found
Call `rlang::last_error()` to see a backtrace
> rlang::last_error()
<error>
message: Column `train_transformed` not found
class: `rlang_error`
backtrace:
─caret::train(...)
─caret:::train.formula(...)
─tibble:::`[.tbl_df`(data, , all.vars(Terms), drop = FALSE)
─tibble:::check_names_df.character(j, x)
─tibble:::check_names_before_after.character(j, names(x))
─tibble:::stopc(pluralise_msg("Column(s) ", unknown_names), " not found")
Call `summary(rlang::last_error())` to see the full backtrace
> summary(rlang::last_error())
<error>
message: Column `train_transformed` not found
class: `rlang_error`
fields: `message`, `trace` and `parent`
backtrace:
█
├─caret::train(...)
└─caret:::train.formula(...)
├─data[, all.vars(Terms), drop = FALSE]
└─tibble:::`[.tbl_df`(data, , all.vars(Terms), drop = FALSE)
├─tibble:::check_names_df(j, x)
└─tibble:::check_names_df.character(j, x)
└─tibble:::check_names_before_after.character(j, names(x))
└─tibble:::stopc(pluralise_msg("Column(s) ", unknown_names), " not found")