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29 lines
749 B
R
29 lines
749 B
R
library(futile.logger)
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mkdir = function(dest.dir)
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{
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if (!dir.exists(dest.dir))
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{
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flog.debug(paste("Creating directory", dest.dir))
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dir.create(dest.dir)
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} else {
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flog.debug(paste("Target directory", dest.dir, "already exists"))
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}
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}
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printDatasetStatistics = function(dataset)
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{
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if (ncol(dataset)==0) # for mockups
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{
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flog.warn("Empty dataset")
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return()
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}
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no.cases = nrow(dataset)
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no.attributes = ncol(dataset) - 1
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perc.classes = round(100*as.numeric(table(dataset[, ncol(dataset)]))/nrow(dataset), 0)
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flog.info(paste0("Cases: ", no.cases, ", attributes: ", no.attributes,
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", classes: ", perc.classes[1], "%/", perc.classes[2], "%"))
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}
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