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fix arg check

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This commit is contained in:
El Potaeto 2015-01-06 13:59:14 +01:00
parent c64bfad5bb
commit a6c588f90d
1 changed files with 1 additions and 1 deletions
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2
R-package/R/xgb.importance.R
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@ -47,7 +47,7 @@ xgb.importance <- function(feature_names = NULL, filename_dump = NULL){
if (!class(feature_names) %in% c("character", "NULL")) {
stop("feature_names: Has to be a vector of character or NULL if the model dump already contains feature name. Look at this function documentation to see where to get feature names.")
}
if (class(filename_dump) != "character" & file.exists(filename_dump)) {
if (class(filename_dump) != "character" || !file.exists(filename_dump)) {
stop("filename_dump: Has to be a path to the model dump file.")
}
text <- readLines(filename_dump)