set_new_model("multinom_reg")
set_model_mode("multinom_reg", "classification")
# ------------------------------------------------------------------------------
set_model_engine("multinom_reg", "classification", "glmnet")
set_dependency("multinom_reg", "glmnet", "glmnet")
set_model_arg(
model = "multinom_reg",
eng = "glmnet",
parsnip = "penalty",
original = "lambda",
func = list(pkg = "dials", fun = "penalty"),
has_submodel = TRUE
)
set_model_arg(
model = "multinom_reg",
eng = "glmnet",
parsnip = "mixture",
original = "alpha",
func = list(pkg = "dials", fun = "mixture"),
has_submodel = FALSE
)
set_fit(
model = "multinom_reg",
eng = "glmnet",
mode = "classification",
value = list(
interface = "matrix",
protect = c("x", "y", "weights"),
func = c(pkg = "glmnet", fun = "glmnet"),
defaults = list(family = "multinomial")
)
)
set_encoding(
model = "multinom_reg",
eng = "glmnet",
mode = "classification",
options = list(
predictor_indicators = "traditional",
compute_intercept = TRUE,
remove_intercept = TRUE,
allow_sparse_x = TRUE
)
)
set_pred(
model = "multinom_reg",
eng = "glmnet",
mode = "classification",
type = "class",
value = list(
pre = NULL,
post = organize_multnet_class,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
newx = quote(as.matrix(new_data[, rownames(object$fit$beta[[1]]), drop = FALSE])),
type = "class",
s = quote(object$spec$args$penalty)
)
)
)
set_pred(
model = "multinom_reg",
eng = "glmnet",
mode = "classification",
type = "prob",
value = list(
pre = NULL,
post = organize_multnet_prob,
func = c(fun = "predict"),
args =
list(
object = expr(object$fit),
newx = expr(as.matrix(new_data[, rownames(object$fit$beta[[1]]), drop = FALSE])),
type = "response",
s = expr(object$spec$args$penalty)
)
)
)
set_pred(
model = "multinom_reg",
eng = "glmnet",
mode = "classification",
type = "raw",
value = list(
pre = NULL,
post = NULL,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
newx = quote(as.matrix(new_data))
)
)
)
# ------------------------------------------------------------------------------
set_model_engine("multinom_reg", "classification", "spark")
set_dependency("multinom_reg", "spark", "sparklyr")
set_model_arg(
model = "multinom_reg",
eng = "spark",
parsnip = "penalty",
original = "reg_param",
func = list(pkg = "dials", fun = "penalty"),
has_submodel = FALSE
)
set_model_arg(
model = "multinom_reg",
eng = "spark",
parsnip = "mixture",
original = "elastic_net_param",
func = list(pkg = "dials", fun = "mixture"),
has_submodel = FALSE
)
set_fit(
model = "multinom_reg",
eng = "spark",
mode = "classification",
value = list(
interface = "formula",
data = c(formula = "formula", data = "x", weights = "weight_col"),
protect = c("x", "formula", "weights"),
func = c(pkg = "sparklyr", fun = "ml_logistic_regression"),
defaults = list(family = "multinomial")
)
)
set_encoding(
model = "multinom_reg",
eng = "spark",
mode = "classification",
options = list(
predictor_indicators = "traditional",
compute_intercept = TRUE,
remove_intercept = TRUE,
allow_sparse_x = FALSE
)
)
set_pred(
model = "multinom_reg",
eng = "spark",
mode = "classification",
type = "class",
value = list(
pre = NULL,
post = format_spark_class,
func = c(pkg = "sparklyr", fun = "ml_predict"),
args =
list(
x = quote(object$fit),
dataset = quote(new_data)
)
)
)
set_pred(
model = "multinom_reg",
eng = "spark",
mode = "classification",
type = "prob",
value = list(
pre = NULL,
post = format_spark_probs,
func = c(pkg = "sparklyr", fun = "ml_predict"),
args =
list(
x = quote(object$fit),
dataset = quote(new_data)
)
)
)
# ------------------------------------------------------------------------------
set_model_engine("multinom_reg", "classification", "keras")
set_dependency("multinom_reg", "keras", "keras")
set_dependency("multinom_reg", "keras", "magrittr")
set_model_arg(
model = "multinom_reg",
eng = "keras",
parsnip = "penalty",
original = "penalty",
func = list(pkg = "dials", fun = "penalty"),
has_submodel = FALSE
)
set_fit(
model = "multinom_reg",
eng = "keras",
mode = "classification",
value = list(
interface = "matrix",
protect = c("x", "y"),
func = c(pkg = "parsnip", fun = "keras_mlp"),
defaults = list(hidden_units = 1, act = "linear")
)
)
set_encoding(
model = "multinom_reg",
eng = "keras",
mode = "classification",
options = list(
predictor_indicators = "traditional",
compute_intercept = TRUE,
remove_intercept = TRUE,
allow_sparse_x = FALSE
)
)
set_pred(
model = "multinom_reg",
eng = "keras",
mode = "classification",
type = "class",
value = list(
pre = NULL,
post = NULL,
func = c(pkg = "parsnip", fun = "keras_predict_classes"),
args =
list(object = quote(object),
x = quote(as.matrix(new_data)))
)
)
set_pred(
model = "multinom_reg",
eng = "keras",
mode = "classification",
type = "prob",
value = list(
pre = NULL,
post = function(x, object) {
colnames(x) <- object$lvl
x <- as_tibble(x)
x
},
func = c(fun = "predict"),
args =
list(object = quote(object$fit),
x = quote(as.matrix(new_data)))
)
)
# ------------------------------------------------------------------------------
set_model_engine("multinom_reg", "classification", "nnet")
set_dependency("multinom_reg", "nnet", "nnet")
set_model_arg(
model = "multinom_reg",
eng = "nnet",
parsnip = "penalty",
original = "decay",
func = list(pkg = "dials", fun = "penalty"),
has_submodel = FALSE
)
set_fit(
model = "multinom_reg",
eng = "nnet",
mode = "classification",
value = list(
interface = "formula",
protect = c("formula", "data"),
func = c(pkg = "nnet", fun = "multinom"),
defaults = list(trace = FALSE)
)
)
set_encoding(
model = "multinom_reg",
eng = "nnet",
mode = "classification",
options = list(
predictor_indicators = "traditional",
compute_intercept = TRUE,
remove_intercept = TRUE,
allow_sparse_x = FALSE
)
)
set_pred(
model = "multinom_reg",
eng = "nnet",
mode = "classification",
type = "class",
value = list(
pre = NULL,
post = NULL,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
newdata = quote(new_data),
type = "class"
)
)
)
set_pred(
model = "multinom_reg",
eng = "nnet",
mode = "classification",
type = "prob",
value = list(
pre = NULL,
post = organize_nnet_prob,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
newdata = quote(new_data),
type = "prob"
)
)
)
set_pred(
model = "multinom_reg",
eng = "nnet",
mode = "classification",
type = "raw",
value = list(
pre = NULL,
post = NULL,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
newdata = quote(new_data)
)
)
)
# ------------------------------------------------------------------------------
set_model_engine("multinom_reg", "classification", "brulee")
set_dependency("multinom_reg", "brulee", "brulee")
set_model_arg(
model = "multinom_reg",
eng = "brulee",
parsnip = "penalty",
original = "penalty",
func = list(pkg = "dials", fun = "penalty"),
has_submodel = FALSE
)
set_model_arg(
model = "multinom_reg",
eng = "brulee",
parsnip = "mixture",
original = "mixture",
func = list(pkg = "dials", fun = "mixture"),
has_submodel = FALSE
)
set_fit(
model = "multinom_reg",
eng = "brulee",
mode = "classification",
value = list(
interface = "data.frame",
protect = c("x", "y"),
func = c(pkg = "brulee", fun = "brulee_multinomial_reg"),
defaults = list()
)
)
set_encoding(
model = "multinom_reg",
eng = "brulee",
mode = "classification",
options = list(
predictor_indicators = "none",
compute_intercept = FALSE,
remove_intercept = FALSE,
allow_sparse_x = FALSE
)
)
set_pred(
model = "multinom_reg",
eng = "brulee",
mode = "classification",
type = "class",
value = list(
pre = NULL,
post = NULL,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
new_data = quote(new_data),
type = "class"
)
)
)
set_pred(
model = "multinom_reg",
eng = "brulee",
mode = "classification",
type = "prob",
value = list(
pre = NULL,
post = NULL,
func = c(fun = "predict"),
args =
list(
object = quote(object$fit),
new_data = quote(new_data),
type = "prob"
)
)
)
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