public Lofs(Graph pattern, List<DataSet> dataSets) throws IllegalArgumentException {
if (pattern == null) {
throw new IllegalArgumentException("Pattern must be specified.");
}
if (dataSets == null) {
throw new IllegalArgumentException("Data set must be specified.");
}
this.pattern = pattern;
this.dataSets = dataSets;
regressions = new ArrayList<Regression>();
this.variables = dataSets.get(0).getVariables();
for (DataSet dataSet : dataSets) {
regressions.add(new RegressionDataset(dataSet));
}
}
