Ugly Stats

var rawData = "gYxseNjwafVPfgsoHnzLblmmAxZUiOnGcchqEAEwjyxwjUIfpXfJQcdLapTmFaqHGCFsdvpLarmPJLOZYMEILGNIPwNOgEazuBVJcyVjBRL";
var letterFrequencies = rawData.ToLower().ToCharArray().GroupBy(c => c).Select(g => new KeyValuePair<char, int>(g.Key, g.Count())).OrderByDescending(p => p.Value);
var homeRow = "asdfghjkl".ToCharArray();

var totalChars = letterFrequencies.Sum(kvp => kvp.Value);
var homeRowChars = letterFrequencies.Where(kvp => homeRow.Contains(kvp.Key)).Sum(kvp => kvp.Value);

//Console.WriteLine("total: " + totalChars);
//Console.WriteLine("home row: " + homeRowChars);
Console.WriteLine("Home row % expected: " + (9.0/26).ToString("0.0%"));
Console.WriteLine("Home row % actual: " + ((double)homeRowChars/totalChars).ToString("0.0%"));

var upperCount = rawData.ToCharArray().Count(c => char.IsUpper(c));
Console.WriteLine("Expected upper: 50%");
Console.WriteLine("Actual upper: " + ((double)upperCount/rawData.Length).ToString("0.0%"));

var sequentialCaseCount = 0;
var lastUpper = char.IsUpper(rawData[0]);
foreach (char c in rawData.ToCharArray().Skip(1))
{
    var currUpper = char.IsUpper(c);
    if (lastUpper == currUpper)
    {
        sequentialCaseCount++;
    }

    lastUpper = currUpper;
}

Console.WriteLine("Expected sequential case match: 50%");
Console.WriteLine("Actual sequential case match: " + ((double)sequentialCaseCount / (rawData.Length - 1)).ToString("0.0%"));