# tbl = 16
# nbl = 4
# bib = bib_PT19D
write.blm_item <- function(bib, tbl, nbl){
# --- verificando colunas de bib
verifica <- c('caderno', paste0('bl', 1:(ncol(bib)-1))) %>% .[. %!in% colnames(bib)]
if(length(verifica) > 0) stop("As colunas: '",
paste0(verifica, collapse = "', '"),
"' não estão definidas em bib.")
rm(verifica)
# --- variaveis auxiliares
ntot = tbl * nbl # numero total de itens
nblfo = ncol(bib) - 1 # numero de blocos nos cadernos
nitfo = tbl*nblfo # numero de itens por caderno
x <- bib[1, ] %>% as.list()
result <- matrix(NA, nrow = nrow(bib), ncol = nitfo)
item_bib <- matrix(1:ntot, nrow = nbl, ncol = tbl, byrow = TRUE)
result <- apply(bib, 1, function(x){
aux_blocos <- x[-1] %>% unlist() %>% as.vector()
item_bib[aux_blocos, ] %>% t() %>% as.vector()
}) %>%
t() %>%
set_colnames(paste0('it', sprintf('%02d', 1:nitfo))) %>%
set_rownames(1:nrow(.))
result
}
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