The following axe methods are currently available in butcher:

class axe_call axe_ctrl axe_data axe_env axe_fitted
C5.0
classbagg
default
earth
elnet
flexsurvreg
gausspr
glmnet
kknn
ksvm
lm
mda
ml_model
model_fit
multnet
nnet
randomForest
ranger
rpart
sclass
survreg
survreg.penal
train
train.recipe
xgb.Booster
formula
function
quosure
recipe
step
step_arrange
step_bagimpute
step_bin2factor
step_BoxCox
step_bs
step_center
step_classdist
step_corr
step_count
step_date
step_depth
step_discretize
step_downsample
step_dummy
step_factor2string
step_filter
step_geodist
step_holiday
step_hyperbolic
step_ica
step_impute_bag
step_impute_knn
step_impute_lower
step_impute_mean
step_impute_median
step_impute_mode
step_impute_roll
step_integer
step_interact
step_inverse
step_invlogit
step_isomap
step_knnimpute
step_kpca
step_lag
step_lincomb
step_log
step_logit
step_lowerimpute
step_meanimpute
step_medianimpute
step_modeimpute
step_mutate
step_naomit
step_nnmf
step_novel
step_ns
step_num2factor
step_nzv
step_ordinalscore
step_other
step_pca
step_pls
step_poly
step_range
step_ratio
step_regex
step_relu
step_rm
step_rollimpute
step_scale
step_shuffle
step_slice
step_spatialsign
step_sqrt
step_string2factor
step_unorder
step_upsample
step_window
step_YeoJohnson
step_zv
terms