private void resetLearningBtn_Click(object sender, EventArgs e)
{
if (allUsersLstView.FocusedItem != null)
{
int userID = int.Parse(allUsersLstView.FocusedItem.SubItems[1].Text);
UserDBDataSetWorkerTableAdapters.WordDataTableAdapter wordAdapter = new UserDBDataSetWorkerTableAdapters.WordDataTableAdapter();
UserDBDataSetWorkerTableAdapters.TimingTableAdapter timingAdapter = new UserDBDataSetWorkerTableAdapters.TimingTableAdapter();
timingAdapter.DeleteByUserID(userID);
wordAdapter.DeleteByUserID(userID);
Populate();
}
}
private KeyValuePair <int, double> predict(UserClient client)
{
KeyValuePair <int, double> answer;
List <KeyValuePair <int, double> > answerlist = new List <KeyValuePair <int, double> >(), meanAnswerList = new List <KeyValuePair <int, double> >(),
medianAnswerList = new List <KeyValuePair <int, double> >();
double likeness = 0, meanLikeness = 0, medianLikeness = 0;
List <WordData> predictionData = ToWords(client.GetPredictionData());
if (predictionData.Count > 0)
{
UserDBDataSetWorkerTableAdapters.UserClientTableAdapter userAdapt = new UserDBDataSetWorkerTableAdapters.UserClientTableAdapter();
UserDBDataSetWorker.UserClientDataTable userTable = userAdapt.GetUserClientData();
foreach (UserDBDataSetWorker.UserClientRow userRow in userTable)
{
int count = 0;
foreach (WordData word in predictionData)
{
UserDBDataSetWorkerTableAdapters.WordDataTableAdapter wordAdapt = new UserDBDataSetWorkerTableAdapters.WordDataTableAdapter();
UserDBDataSetWorker.WordDataDataTable wordTable = wordAdapt.GetDataByUserIDandWord(userRow.UserID, word.GetWord());
if (wordTable.Count > 0)
{
List <WordData> wordList = new List <WordData>();
foreach (UserDBDataSetWorker.WordDataRow wordRow in wordTable)
{
UserDBDataSetWorkerTableAdapters.TimingTableAdapter timeAdapt = new UserDBDataSetWorkerTableAdapters.TimingTableAdapter();
UserDBDataSetWorker.TimingDataTable timeTable = timeAdapt.GetDataByWordID(wordRow.WordID);
if (timeTable.Count > 0)
{
int[] timing = new int[timeTable.Count];
for (int i = 0; i < timeTable.Count; i++)
{
timing[i] = timeTable[i].Timing;
}
WordData learnedWord = new WordData(wordRow.Word, timing, userRow.UserID);
double comp = Compare(word, learnedWord);
if (comp > 0)
{
likeness += Compare(word, learnedWord);
count++;
}
wordList.Add(learnedWord);
}
}
if (word.GetTiming().Length > 0)
{
meanLikeness = MeanCompare(word, wordList);
medianLikeness = MedianCompare(word, wordList);
}
//meanaverage
}
}
likeness /= count;
answerlist.Add(new KeyValuePair <int, double>(userRow.UserID, likeness));
meanAnswerList.Add(new KeyValuePair <int, double>(userRow.UserID, meanLikeness));
medianAnswerList.Add(new KeyValuePair <int, double>(userRow.UserID, medianLikeness));
meanAList = meanAnswerList;
medianAList = medianAnswerList;
bool problem;
if (likeness > 1)
{
problem = true;
}
likeness = 0;
count = 0;
}
}
if (answerlist.Count > 1)
{
switch (predictionMode)
{
case 0: //compare
answer = MaxValue(answerlist); //most probable prediction
break;
case 1: //mean
answer = MaxValue(meanAnswerList); //most probable prediction
break;
default:
case 2: //median
answer = MaxValue(medianAnswerList); //most probable prediction
break;
}
}
else
{
answer = new KeyValuePair <int, double>(0, 0);
}
return(answer);
}
public bool SaveData(UserClient client, List <KeyData.KeyEntry> data)
{
WordInsert Data = new WordInsert();
List <WordInsert> words = new List <WordInsert>();
String PKBT, CKBT;//Previous and current keyboard type
PKBT = data[0].keyboardType;
List <UserDBDataSetWorker.TimingRow> timingEntries = new List <UserDBDataSetWorker.TimingRow>();
int Ptime = Ptime = 0, Ctime = 0;
Data.word = "";
foreach (KeyData.KeyEntry entry in data)//extract data from parameter data
{
UserDBDataSetWorker.TimingRow timingEntry = dataSet.Timing.NewTimingRow();
Ctime = entry.time;
timingEntry.Timing = Ctime - Ptime;
CKBT = entry.keyboardType;
if (entry.keyValue == ':' || entry.keyValue == ',' || entry.keyValue == ' ')
{
if (Data.word != "")
{
Data.KeyboardType = keyToInt(CKBT);
Data.UserID = GetUserClientID(client.GetName(), client.GetPass());
words.Add(Data);
}
Data = new WordInsert();
Data.word = "";
Ctime = 0;
}
else if (CKBT != PKBT)
{
if (Data.word != "")
{
Data.KeyboardType = keyToInt(CKBT);
Data.UserID = GetUserClientID(client.GetName(), client.GetPass());
words.Add(Data);
}
Data = new WordInsert();
Data.word = "";
Ctime = 0;
Data.word += entry.keyValue.ToString();
}
else
{
Data.word += (char)entry.keyValue;
if (timingEntry.Timing != Ctime)
{
timingEntries.Add(timingEntry);
}
}
Ptime = Ctime;
PKBT = CKBT;
}
//Get straggling data.
Data.KeyboardType = keyToInt(data[data.Count - 1].keyboardType);
Data.UserID = GetUserClientID(client.GetName(), client.GetPass());
words.Add(Data);
foreach (WordInsert word in words)//enter words
{
UserDBDataSetWorkerTableAdapters.WordDataTableAdapter adapter = new UserDBDataSetWorkerTableAdapters.WordDataTableAdapter();
int test1 = GetUserClientID(client.GetName(), client.GetPass());
adapter.WordInsert(test1, word.word, word.KeyboardType);
int test = GetLatestWordID();
for (int i = 1; i < word.word.Length; i++)//enter timing for words
{
UserDBDataSetWorkerTableAdapters.TimingTableAdapter timeAdapter = new UserDBDataSetWorkerTableAdapters.TimingTableAdapter();
timeAdapter.TimingInsert(GetLatestWordID(), timingEntries[i].Timing, i);
}
}
return(true);
}