Lines Matching defs:normal
51 /** Distribution used to compute normal approximation. */
52 private NormalDistribution normal;
128 * @param z a normal distribution used to compute normal approximations.
159 setNormalAndMeanInternal(normal, p);
176 normal = z;
177 normal.setMean(p);
178 normal.setStandardDeviation(FastMath.sqrt(p));
223 * Calculates the Poisson distribution function using a normal
227 * The computation uses "half-correction" -- evaluating the normal
232 * @return the distribution function value calculated using a normal
234 * @throws MathException if an error occurs computing the normal
239 return normal.cumulativeProbability(x + 0.5);
291 * Modify the normal distribution used to compute normal approximations. The
292 * caller is responsible for insuring the normal distribution has the proper
