public override void Learn(List<LearningImagePair> pairs, LearningStyle style)
{
List<LearningImage> samples = new List<LearningImage>();
List<LearningImage> compresses = new List<LearningImage>();
foreach (var pair in pairs) samples.Add(pair.In);
if (!_Units[0].IsEnoughToLearn) _Units[0].Learn(samples);
for (int i = 1; i < _Units.Count; i++)
{
Log.Instance.Info("[Process.Learn] " + i + " " + samples.Count);
_Units[i - 1].ParallelProject(samples, out compresses);
if (_Units[i].IsEnoughToLearn)
{
// 何もしない
}
else if ((style == LearningStyle.Input || style == LearningStyle.InputOutput) && _Units[i].Style == LearningStyle.Input)
{
_Units[i].Learn(compresses);
}
else if ((style == LearningStyle.InputOutput) && _Units[i].Style == LearningStyle.InputOutput)
{
List<LearningImagePair> list = new List<LearningImagePair>();
for (int j = 0; j < compresses.Count; j++) list.Add(new LearningImagePair(compresses[j], pairs[j].Out));
_Units[i].Learn(list);
}
samples.Clear();
GC.Collect();
samples = compresses;
compresses = new List<LearningImage>();
}
}
/// <summary>
/// 从数据库中获取单选题记录
/// </summary>
public static LearningStyle GetRadio(int Id)
{
SQLHelper dbAccess = new SQLHelper(); //实例化一个SQLHelper类
string sql = "Select * from [LearningStyle] where Id = @Id";
SqlParameter[] para = { new SqlParameter("@Id", Id) }; //利用参数para进行动态定义
SqlDataReader dr = dbAccess.GetDRWithPara(sql, para); //获取查询数据流
//根据查询得到的数据，对成员赋值
//数据流中是否有数据
if (dr.Read())
{
LearningStyle r = new LearningStyle();
r.Id = int.Parse(dr["Id"].ToString());
r.question = dr["question"].ToString();
r.A = dr["A"].ToString();
r.B = dr["B"].ToString();
//关闭SqlDataReader对象，此时连接同时关闭
dr.Close();
return(r);
}
else
{
dr.Close();
return(null);
}
}
//通过RadioButtonList控件显示选择题题目
public static void ShowQuestionRadio(LearningStyle r, RadioButtonList rdoList, Label lbl)
{
rdoList.Items[0].Text = "A." + r.A;
rdoList.Items[1].Text = "B." + r.B;
rdoList.Items[0].Value = "A";
rdoList.Items[1].Value = "B";
lbl.Text = r.question;
}
public override void Learn(List<LearningImagePair> pairs, LearningStyle style)
{
Log.Instance.Info("[DNN.Learn]");
List<double[]> dataIn = new List<double[]>();
List<double[]> dataOut = new List<double[]>();
foreach (var p in pairs)
{
dataIn.Add(p.In.Homogenize());
dataOut.Add(p.Out.Homogenize());
// 水増し学習
if (DropoutRate > 0)
{
for (int i = 0; i < DropoutPadding; i++)
{
dataIn.Add(p.In.DropOut(DropoutRate).Homogenize());
dataOut.Add(p.Out.Homogenize());
}
}
}
var dataInPrepared = _Teacher.GetLayerInput(dataIn.ToArray());
for (int i = 0; i < 500; i++)
{
_Teacher.RunEpoch(dataInPrepared, dataOut.ToArray());
_Network.UpdateVisibleWeights();
double amount = 0;
int count = 0;
for(int j = 0; j < dataIn.Count; j += DropoutPadding * 10) // 適当に省いて評価
{
amount += TestCompute(dataIn[j], dataOut[j]);
count++;
}
if (i % 10 == 0) Log.Instance.Info("[DNN.Learn]" + i + " " + (amount / count));
if (amount / count < 0.05) break;
}
}
public virtual void Learn(List<LearningImagePair> pairs, LearningStyle style = LearningStyle.InputOutput)
{
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["stuId"] != null)
{
string stuId = Session["stuId"].ToString();
string learningstyle = "";
stuNews1 = StudentInfoManager.Getstudentnews(stuId);
learningstyle = stuNews1.learningStyle;
//判断是否进行过学习风格测试
if (learningstyle == "")
{
r1 = LearningStyleManager.GetRadio(1); //获取学习风格测试题
LearningStyleManager.ShowQuestionRadio(r1, rdolistS1, lblS1); //显示题目
r2 = LearningStyleManager.GetRadio(2);
LearningStyleManager.ShowQuestionRadio(r2, rdolistS2, lblS2);
r3 = LearningStyleManager.GetRadio(3);
LearningStyleManager.ShowQuestionRadio(r3, rdolistS3, lblS3);
r4 = LearningStyleManager.GetRadio(4);
LearningStyleManager.ShowQuestionRadio(r4, rdolistS4, lblS4);
r5 = LearningStyleManager.GetRadio(5);
LearningStyleManager.ShowQuestionRadio(r5, rdolistS5, lblS5);
r6 = LearningStyleManager.GetRadio(6);
LearningStyleManager.ShowQuestionRadio(r6, rdolistS6, lblS6);
r7 = LearningStyleManager.GetRadio(7);
LearningStyleManager.ShowQuestionRadio(r7, rdolistS7, lblS7);
r8 = LearningStyleManager.GetRadio(8);
LearningStyleManager.ShowQuestionRadio(r8, rdolistS8, lblS8);
r9 = LearningStyleManager.GetRadio(9);
LearningStyleManager.ShowQuestionRadio(r9, rdolistS9, lblS9);
r10 = LearningStyleManager.GetRadio(10);
LearningStyleManager.ShowQuestionRadio(r10, rdolistS10, lblS10);
r11 = LearningStyleManager.GetRadio(11);
LearningStyleManager.ShowQuestionRadio(r11, rdolistS11, lblS11);
r12 = LearningStyleManager.GetRadio(12);
LearningStyleManager.ShowQuestionRadio(r12, rdolistS12, lblS12);
r13 = LearningStyleManager.GetRadio(13);
LearningStyleManager.ShowQuestionRadio(r13, rdolistS13, lblS13);
r14 = LearningStyleManager.GetRadio(14);
LearningStyleManager.ShowQuestionRadio(r14, rdolistS14, lblS14);
r15 = LearningStyleManager.GetRadio(15);
LearningStyleManager.ShowQuestionRadio(r15, rdolistS15, lblS15);
r16 = LearningStyleManager.GetRadio(16);
LearningStyleManager.ShowQuestionRadio(r16, rdolistS16, lblS16);
r17 = LearningStyleManager.GetRadio(17);
LearningStyleManager.ShowQuestionRadio(r17, rdolistS17, lblS17);
r18 = LearningStyleManager.GetRadio(18);
LearningStyleManager.ShowQuestionRadio(r18, rdolistS18, lblS18);
r19 = LearningStyleManager.GetRadio(19);
LearningStyleManager.ShowQuestionRadio(r19, rdolistS19, lblS19);
r20 = LearningStyleManager.GetRadio(20);
LearningStyleManager.ShowQuestionRadio(r20, rdolistS20, lblS20);
r21 = LearningStyleManager.GetRadio(21);
LearningStyleManager.ShowQuestionRadio(r21, rdolistS21, lblS21);
r22 = LearningStyleManager.GetRadio(22);
LearningStyleManager.ShowQuestionRadio(r22, rdolistS22, lblS22);
}
else
{
lblTitle.Visible = false;
PanelAll.Visible = false;
btnSubmit.Visible = false;
//Response.Write(string.Format("<script type = 'text/javascript'> alert('{0}'); </script>", "您的学习风格为" + learningstyle + "!"));
RegisterClientScriptBlock("", string.Format("<script type = 'text/javascript'> alert('{0}'); </script>", "您的学习风格为" + learningstyle + "!"));
}
}
else
{
Response.Redirect("Login.aspx");
}
}
