public long samples() {
		long result = 0;
		for (long sample : buckets.frequencies) {
			result += sample;
		}
		return result;
	}
Return the number of samples, which generated the histogram, without the
residuals.

@return the number of samples, without residuals
jenetics.incubator/src/main/java/io/jenetics/incubator/stat/Histogram.java