Check if the name is already used, or null, and if not, take off the special chars from the name. If yes, return NULL.
cor_ts_name(ts_name, ts_list)
Training Set's name to correct
Vector listing the existing Training Sets
Correct Training Set's name or NULL
ts_list_ex <- c("test1","test2")
ts_name1 <- "test1"
ts_name2 <- "test3"
ts_name3 <- "test_4"
cor_ts_name(ts_name1,ts_list_ex)
cor_ts_name(ts_name2,ts_list_ex)
#> [1] "test3"
cor_ts_name(ts_name3,ts_list_ex)
#> [1] "test4"