#' Data Transform
#'
#' This function transformating data to tidy data
#'
#' @param z0 dataset with historical sales
#' @param type type of inputed dataset. it's sku or fills detalization
#' @return data frame with tidy dataset
#' @importFrom dplyr %>%
#' @importFrom glue glue
#' @export
data_tranform<-function(z0,type="sku"){
if(!type %in% c("sku","fills")){
stop('Wrong "type" value. It must be "sku","fils"')
}
if(type=="sku" & ncol(z0)!=7) message(glue::glue("
Warning: Dataset has non standart number of columns!
Check for present 'isAction' column."))
if(type=="fills" & ncol(z0)!=8) message(glue::glue("
Warning: Dataset has non standart number of columns!
Check for present 'isAction' column."))
if(type=="sku"){
q<-z0%>%
magrittr::set_colnames(c("date","SKU","inn","sales_num","balance_num","price","isAction"))%>%
dplyr::mutate(SKU=as.numeric(SKU),
inn=as.numeric(inn),
sales_num=as.numeric(sales_num),
balance_num=as.numeric(balance_num),
price=as.numeric(price),
date=lubridate::ymd(date))%>%
dplyr::filter(date>max(date)-lubridate::days(56))%>%
dplyr::as_data_frame()
}
if(type=="fills"){
q<-z0%>%
magrittr::set_colnames(c("date","fills","SKU","inn","sales_num","balance_num","price","isAction"))%>%
dplyr::mutate(SKU=as.numeric(SKU),
fills=as.numeric(fills),
inn=as.numeric(inn),
sales_num=as.numeric(sales_num),
balance_num=as.numeric(balance_num),
price=as.numeric(price),
date=lubridate::ymd(date))%>%
dplyr::filter(date>max(date)-lubridate::days(56))%>%
dplyr::as_data_frame()
}
return(q)
}
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