Examples with Selection tech.tablesaw.selection.Selection used on opensource projects

Example 11 with Selection

use of tech.tablesaw.selection.Selection in project symja_android_library by axkr.

the class IntColumn method isNotIn.

public Selection isNotIn(final int... numbers) {
    final Selection results = new BitmapBackedSelection();
    results.addRange(0, size());
    results.andNot(isIn(numbers));
    return results;
}

Example 12 with Selection

use of tech.tablesaw.selection.Selection in project symja_android_library by axkr.

the class IntColumn method isIn.

public Selection isIn(final int... numbers) {
    final Selection results = new BitmapBackedSelection();
    final IntRBTreeSet intSet = new IntRBTreeSet(numbers);
    for (int i = 0; i < size(); i++) {
        if (intSet.contains(getInt(i))) {
            results.add(i);
        }
    }
    return results;
}

Example 13 with Selection

use of tech.tablesaw.selection.Selection in project symja_android_library by axkr.

the class NumberFilters method isCloseTo.

// TODO(lwhite): see section in Effective Java on double point comparisons.
default Selection isCloseTo(Number target, Number margin) {
    Selection results = new BitmapBackedSelection();
    for (int i = 0; i < size(); i++) {
        double targetValue = target.doubleValue();
        double marginValue = margin.doubleValue();
        double val = getDouble(i);
        if (val > targetValue - marginValue && val < targetValue + marginValue) {
            results.add(i);
        }
    }
    return results;
}

Example 14 with Selection

use of tech.tablesaw.selection.Selection in project symja_android_library by axkr.

the class BooleanMapUtils method andNot.

/**
 * Returns a column made by combining the receiver and each of the arguments using the operation:
 * A andNot V. For example, the value of a cell in the result column would be true if the
 * corresponding value in A is true and the corresponding value in B is false
 */
default BooleanColumn andNot(BooleanColumn... columns) {
    StringBuilder name = new StringBuilder(name()).append(" and not: ");
    Selection selection = asSelection();
    for (BooleanColumn column : columns) {
        if (!column.name().equals(columns[0].name())) {
            name.append(", ");
        }
        name.append(column.name());
        selection.andNot(column.asSelection());
    }
    return BooleanColumn.create(name.toString(), selection, size());
}

Example 15 with Selection

use of tech.tablesaw.selection.Selection in project symja_android_library by axkr.

the class DateFilters method eval.

/**
 * This version operates on predicates that treat the given IntPredicate as operating on a packed
 * local time This is much more efficient that using a LocalTimePredicate, but requires that the
 * developer understand the semantics of packedLocalTimes
 */
default Selection eval(IntPredicate predicate) {
    Selection selection = new BitmapBackedSelection();
    IntIterator iterator = intIterator();
    int idx = 0;
    while (iterator.hasNext()) {
        int next = iterator.nextInt();
        if (predicate.test(next)) {
            selection.add(idx);
        }
        idx++;
    }
    return selection;
}