private static void CreateDepStat(string trainPath, string testPath, string ids, string target, string depstatPath, string measureField)
{
var fmngr = new FactorManager();
fmngr.Load(depstatPath, target, measureField);
var fdList = new List<double>();
fdList.Add(0);
fdList.Add(0.5);
fdList.Add(1);
fdList.Add(1.5);
fdList = fdList.OrderByDescending(c => c).ToList();
var tdList = new List<double>(fmngr.GetTargetValues());
tdList = tdList.OrderByDescending(c => c).ToList();
using (var sw = new StreamWriter(new FileStream("depstat.csv", FileMode.Create, FileAccess.Write)))
{
sw.WriteLine("td;fd;cnt;last_auc;best_auc;vars;measure");
var countedDict = new Dictionary<string, ClassifierResult>();
foreach (double td in tdList)
{
foreach (double fd in fdList)
{
try
{
fmngr.TargDep = td;
fmngr.FactorDep = fd;
fmngr.SelectFactors();
var factors = fmngr.VisibleFactors;
Array.Sort(factors);
string vstr = string.Join("@", factors);
if (!countedDict.ContainsKey(vstr))
{
var cls = new DecisionForest();
var fdict = factors.ToDictionary(c => c);
foreach (string variable in fmngr.FactorDict.Keys)
{
if (!fdict.ContainsKey(variable))
cls.AddDropColumn(variable);
}
cls.LoadData();
var result = cls.Build();
countedDict.Add(vstr, result);
}
else
{
Logger.Log("skipping...");
}
sw.WriteLine(fmngr.TargDep.ToString("F06") + ";" + fmngr.FactorDep.ToString("F06") + ";" + factors.Length + ";" + countedDict[vstr].LastResult.AUC + ";" + countedDict[vstr].BestResult.AUC + ";" + vstr + ";" + measureField);
sw.Flush();
Logger.Log("td=" + td.ToString("F06") + "; fd=" + fd.ToString("F06") + "; cnt=" + factors.Length + ";" + countedDict[vstr].LastResult.AUC);
}
catch (Exception e)
{
Logger.Log(e);
}
}
}
}
}
static void Main(string[] args)
{
if (args.Length < 4 || args.Length > 4)
{
Logger.Log("usage: program.exe <train.csv> <conf.csv> <id> <target_name>");
return;
}
string dataPath = args[0];
string confPath = args[1];
string id = args[2];
string target = args[3];
Logger.Log("data: " + dataPath);
Logger.Log("conf : " + confPath);
Logger.Log("id : " + id);
Logger.Log("target : " + target);
try
{
var fmgr = new FactorManager();
fmgr.Load(confPath, target);
fmgr.TargDep = 10;
fmgr.FactorDep = 100;
fmgr.SelectFactors();
var cols = fmgr.VisibleFactors.ToArray();
//_loader.MaxRowsLoaded = 10000;
_loader.AddTargetColumn(target);
_loader.AddIdColumn(id);
_loader.CollectDistrStat = true;
_loader.Load(dataPath);
var statDict = new Dictionary<TupleData, Dictionary<TupleData, StatItem>>();
// collecting stats
int idx = 0;
int n = 4;
var iter = new CombinationIterator(cols, n);
while (iter.MoveNext())
{
idx++;
var cval = iter.Current;
var ftuple = new TupleData(cval);
statDict.Add(ftuple, new Dictionary<TupleData, StatItem>());
foreach (var row in _loader.Rows)
{
var vtuple = CreateValueTuple(cval, row);
if (!statDict[ftuple].ContainsKey(vtuple))
statDict[ftuple].Add(vtuple, new StatItem());
if (row.Target<=1)
{
statDict[ftuple][vtuple].Count++;
statDict[ftuple][vtuple].Targets += (int)row.Target;
}
}
foreach (var t in statDict[ftuple].Keys)
{
statDict[ftuple][t].TargetProb = statDict[ftuple][t].Targets / (double)statDict[ftuple][t].Count;
}
Logger.Log(ftuple + " done;");
}
// creating modified file
using (var sw = new StreamWriter(new FileStream(dataPath + "_cat.csv", FileMode.Create, FileAccess.Write)))
{
idx = 0;
sw.WriteLine(CreateHeader(cols, n));
sw.Flush();
double defProb = (double)_loader.TargetStat[1] / (_loader.TargetStat[1] + _loader.TargetStat[0]);
foreach (var row in _loader.Rows)
{
idx++;
var sb = new StringBuilder();
iter = new CombinationIterator(cols, n);
sb.Append(row.Id);
while (iter.MoveNext())
{
var cval = iter.Current;
var ftuple = new TupleData(cval);
var t = CreateValueTuple(cval, row);
double prob = statDict[ftuple].ContainsKey(t) ? statDict[ftuple][t].TargetProb : defProb;
sb.Append(";" + prob.ToString("F05"));
}
sb.Append(";" + row.Target);
sw.WriteLine(sb);
if (idx%12345==0)
{
Logger.Log(idx + " lines writed;");
sw.Flush();
}
}
Logger.Log(idx + " lines writed; done;");
}
}
catch (Exception e)
{
Logger.Log(e);
}
}
