/**
* Append a column of value type INT as the last column of the data frame. The given array is
* wrapped but not copied and hence might be updated in the future.
*
* @param col
*/
public void appendColumn(long[] col) {
ensureColumnCompatibility(col.length);
_schema.add(ValueType.INT);
_coldata.add(new LongArray(col));
_numRows = col.length;
}
/**
* Append a column of value type DOUBLE as the last column of the data frame. The given array is
* wrapped but not copied and hence might be updated in the future.
*
* @param col
*/
public void appendColumn(double[] col) {
ensureColumnCompatibility(col.length);
_schema.add(ValueType.DOUBLE);
_coldata.add(new DoubleArray(col));
_numRows = col.length;
}
/**
* Append a column of value type BOOLEAN as the last column of the data frame. The given array is
* wrapped but not copied and hence might be updated in the future.
*
* @param col
*/
public void appendColumn(boolean[] col) {
ensureColumnCompatibility(col.length);
_schema.add(ValueType.BOOLEAN);
_coldata.add(new BooleanArray(col));
_numRows = col.length;
}