private StatsSummary <decimal> CalculateBasicStats()
{
var count = _records.Count;
var sum = StatsHelper.CalculateSum(_records);
var mean = StatsHelper.CalculateMean(sum, count);
var standardDeviation = StatsHelper.CalculateStandardDeviation(_records, mean);
var frequencyHistogram = StatsHelper.GenerateHistogram(_records, 10);
return(new StatsSummary <decimal>()
{
NumRecords = count,
Sum = sum,
Mean = mean,
StandardDeviation = standardDeviation,
FrequencyHistogram = frequencyHistogram
});
}
public void Should_Generate_CorrectHistogram(List <decimal> nums, int binSize, int expectedNumBins)
{
var result = StatsHelper.GenerateHistogram(nums, binSize);
Assert.Equal(expectedNumBins, result.Length);
}
