How to use

gr

method

in

org.canova.api.util.MathUtils

/**
 * Returns the log-odds for a given probability.
 *
 * @param prob the probability
 * @return the log-odds after the probability has been mapped to
 * [Utils.SMALL, 1-Utils.SMALL]
 */
public static /*@pure@*/ double probToLogOdds(double prob) {
 if (gr(prob, 1) || (sm(prob, 0))) {
  throw new IllegalArgumentException("probToLogOdds: probability must " +
    "be in [0,1] " + prob);
 }
 double p = SMALL + (1.0 - 2 * SMALL) * prob;
 return Math.log(p / (1 - p));
}

/**
 * Returns the log-odds for a given probability.
 *
 * @param prob the probability
 *
 * @return the log-odds after the probability has been mapped to
 * [Utils.SMALL, 1-Utils.SMALL]
 */
public static /*@pure@*/ double probToLogOdds(double prob) {
  if (gr(prob, 1) || (sm(prob, 0))) {
    throw new IllegalArgumentException("probToLogOdds: probability must " +
        "be in [0,1] "+prob);
  }
  double p = SMALL + (1.0 - 2 * SMALL) * prob;
  return Math.log(p / (1 - p));
}