попробуйте использовать следующий код:
FILES <- dir(pattern = ".xslx$")
# Make a function in order to get the data in range from "Result tab"
read_range <- function(excel_file,range_="B11:V11"){
sheets <- excel_sheets(excel_file)
# Assuming that there's always a "Result" tab
# and only one tab with this name
sheet_id <- grep("Result",sheets)
return(read_excel(excel_file,col_names= FALSE,sheet=sheet_id,range=range_))
}
# Iterate in sheets vector
data <- lapply(FILES,read_range)
# `data` is a list, yo can get the dataframe with rbind
df <- do.call("rbind",data)
Надеюсь, это поможет