# Check conditions on model variable in call to smirf
is_valid_model <- function(X, model, msgs=list()) {
if (nrow(model) == 0)
msgs <- c(msgs, 'model is empty.')
all_names <- union(rownames(model), colnames(model))
not_found <- all_names[!all_names %in% names(X)]
if (length(not_found) > 0)
msgs <- c(msgs,
paste0('order.impute contains the following name(s) not ',
'found in X:\n - ', paste(not_found, collapse=', '),
'.'))
none_missing <- rownames(model)[
rownames(model) %in% names(X)[!apply(is.na(X), 2, any)]
]
if (length(none_missing) > 0)
msgs <- c(msgs,
paste0('model specifies the following columns with no',
'missing values X:\n - ',
paste(none_missing, collapse=', '), '.'))
all_missing <- all_names[all_names %in% names(X)[apply(is.na(X), 2, all)]]
if (length(all_missing) > 0)
msgs <- c(msgs,
paste0('model specifies the following entirely missing ',
'column(s) in X:\n - ',
paste(all_missing, collapse=', '), '.'))
msgs
}
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