scripts/datagen/genRandData4DecisionTree2.dml

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transformPath = $tPath;
transformSpec = $tSpec;
XCatFile = $XCat;
XFile = $X;
num_records = $num_records;
num_scale_features = $num_scale;
sparsity = $sp;
fmt = $fmt;

# generate scale features
X_scale = rand (rows = num_records, cols = num_scale_features, min = 0, max = 10, sparsity = sparsity); 

# transform categorical features
XCF = read (XCatFile);
specJson = read(transformSpec, data_type="scalar", value_type="string");
X_cat_transformed = transform (target = XCF, spec = specJson, transformPath = transformPath);

X = append (X_scale, X_cat_transformed);
write (X, XFile, format = fmt);