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

Example 41 with BitmapBackedSelection

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

the class Table method dropRowsWithMissingValues.

/**
 * Returns only those records in this table that have no columns with missing values
 */
public Table dropRowsWithMissingValues() {
    Selection missing = new BitmapBackedSelection();
    for (int row = 0; row < rowCount(); row++) {
        for (int col = 0; col < columnCount(); col++) {
            Column<?> c = column(col);
            if (c.isMissing(row)) {
                missing.add(row);
                break;
            }
        }
    }
    Selection notMissing = Selection.withRange(0, rowCount());
    notMissing.andNot(missing);
    Table temp = emptyCopy(notMissing.size());
    Rows.copyRowsToTable(notMissing, this, temp);
    return temp;
}

Example 42 with BitmapBackedSelection

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

the class ExprColumn method isIn.

public Selection isIn(Collection<IExpr> strings) {
    Set<IExpr> stringSet = Sets.newHashSet(strings);
    Selection results = new BitmapBackedSelection();
    for (int i = 0; i < size(); i++) {
        if (stringSet.contains(values.get(i))) {
            results.add(i);
        }
    }
    return results;
}

Example 43 with BitmapBackedSelection

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

the class ExprColumn method isIn.

public Selection isIn(IExpr... strings) {
    Set<IExpr> stringSet = Sets.newHashSet(strings);
    Selection results = new BitmapBackedSelection();
    for (int i = 0; i < size(); i++) {
        if (stringSet.contains(values.get(i))) {
            results.add(i);
        }
    }
    return results;
}

Example 44 with BitmapBackedSelection

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

the class LongColumn method isIn.

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

Example 45 with BitmapBackedSelection

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

the class LongColumn method isNotIn.

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