###
# using continous version
#
#
###
library(formula.tools)
library(mgcv)
##
# beta modeling with constraint, the response Y_i \in [0, K_i]
#
# formula - formula object setting up dependent variables
# data - the data connected to the formula
# K - (n x 1) constraint maximum number y can decrease
##
betamc_R <- function(formula, data, K){
init_list <- init_geommc(formula, data, K)
y = init_list$y/init_list$K
X = init_list$X
K = init_list$K
offset = init_list$offset
beta0 = init_list$beta0
names <- dimnames(beta0)[[1]]
data$old.respose <- data[,formula.tools::lhs.vars(as.formula(formula))]
data[,formula.tools::lhs.vars(as.formula(formula))] <- y
model.fit <- mgcv::gam(as.formula(formula), data= data, family = betar)
res <- list(data = data,
formula = formula,
K = K,
model.fit = model.fit)
class(res) <- "betamc"
return(res)
}
gamma_R <- function(formula, data){
model.fit <- glm(as.formula(formula), data= data, family = Gamma(link="log"))
res <- list(data = data,
formula = formula,
model.fit = model.fit)
class(res) <- "gamma"
return(res)
}
summary.gamma <- function(obj){
summary(obj$model.fit)
}
summary.betacm <- function(obj){
summary(obj$model.fit)
}
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