📄 两组判别f1.frm
字号:
VERSION 5.00
Begin VB.Form frmFileName
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "两组判别"
ClientHeight = 4080
ClientLeft = 60
ClientTop = 345
ClientWidth = 5670
LinkTopic = "Form1"
ScaleHeight = 4080
ScaleWidth = 5670
StartUpPosition = 3 '窗口缺省
Begin VB.TextBox txtFile
Alignment = 2 'Center
Appearance = 0 'Flat
Height = 270
Left = 120
TabIndex = 9
Top = 3000
Width = 5415
End
Begin VB.CommandButton cmdExit
Caption = "退出"
Height = 375
Left = 4800
TabIndex = 7
ToolTipText = "结束程序运行"
Top = 3480
Width = 615
End
Begin VB.CommandButton cmdOK
Caption = "确定"
Height = 375
Left = 4200
TabIndex = 6
ToolTipText = "选择好文件并给出行数和列数后单击"
Top = 3480
Width = 615
End
Begin VB.FileListBox File1
Appearance = 0 'Flat
Height = 1470
Left = 120
TabIndex = 2
Top = 1080
Width = 2655
End
Begin VB.DirListBox Dir1
Appearance = 0 'Flat
Height = 2190
Left = 3000
TabIndex = 1
Top = 360
Width = 2415
End
Begin VB.DriveListBox Drive1
Appearance = 0 'Flat
Height = 300
Left = 120
TabIndex = 0
Top = 360
Width = 2655
End
Begin VB.Label Label4
Alignment = 2 'Center
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "数据文件全名"
ForeColor = &H80000008&
Height = 255
Left = 1320
TabIndex = 8
Top = 2760
Width = 3015
End
Begin VB.Label Label3
Alignment = 2 'Center
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "选择数据文件"
ForeColor = &H80000008&
Height = 255
Left = 120
TabIndex = 5
Top = 840
Width = 2535
End
Begin VB.Label Label2
Alignment = 2 'Center
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "选择目录"
ForeColor = &H80000008&
Height = 255
Left = 3000
TabIndex = 4
Top = 120
Width = 2415
End
Begin VB.Label Label1
Alignment = 2 'Center
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "选择驱动器"
ForeColor = &H80000008&
Height = 255
Left = 120
TabIndex = 3
Top = 120
Width = 2655
End
End
Attribute VB_Name = "frmFileName"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'两组判别文件窗体
Option Explicit
Dim intI As Integer, intJ As Integer, K As Integer, L As Integer
Dim int1 As Integer, int2 As Integer, intNew As Integer
Dim intFileNumber As Integer '文件号
Dim strData As String '临时保存数据
Private Sub Form_Load()
File1.Pattern = "*.dat" '只显示数据文件
End Sub
'选择目录
Private Sub Dir1_Change()
File1.Path = Dir1.Path
End Sub
'选择驱动器
Private Sub Drive1_Change()
Dir1.Path = Drive1.Drive
End Sub
'确定数据文件
Private Sub File1_Click()
txtFile.Text = Dir1.Path & "\" & File1.FileName '原始数据文件
End Sub
'确定，给出文件名和行数、列数后单击
Private Sub cmdOK_Click()
strFileName = txtFile.Text '文件名
intFileNumber = FreeFile '取得空闲的文件号码
Open strFileName For Input As intFileNumber
Input #intFileNumber, strData '读列数
intCol = Val(strData) '取得列数
If intCol < 2 Then
MsgBox "数据的列数不能小于2！", vbOKOnly + vbExclamation, _
"数据文件错"
End
End If
Input #intFileNumber, strData '读A组样本数
int1 = Val(strData) 'A组样本数
If intCol >= 3 Then
For intI = 3 To intCol '空转，读*****
Input #intFileNumber, strData
Next intI
End If
Input #intFileNumber, strData '读数据行数
intRow = Val(strData) '取得数据行数
Input #intFileNumber, strData '读A组样本数
int2 = Val(strData) 'A组样本数
If intCol >= 3 Then
For intI = 3 To intCol '空转，读*****
Input #intFileNumber, strData
Next intI
End If
Input #intFileNumber, strData '读总行数
intRowAll = Val(strData) '取得总行数
Input #intFileNumber, strData '读待定组样本数
intNew = Val(strData)
If intCol >= 3 Then
For intI = 3 To intCol '空转，读*****
Input #intFileNumber, strData
Next intI
End If
If int1 + int2 + intNew <> intRow Then
MsgBox "A组+B组+待定组的行数必须等于给定行数（intRow）！", _
vbOKOnly + vbExclamation, "数据文件错"
End
End If
N1 = int1: N2 = int2: N3 = intNew
M = intCol
'重新定义数据数组
ReDim X1(1 To N1, 1 To M) 'A组样本数据
ReDim X2(1 To N2, 1 To M) 'B组样本数据
If N3 > 0 Then ReDim X3(1 To N3, 1 To M) '待定组样本数据
blnTitle = False: blnRowLabel = False: blnColLabel = False
'优先考虑标题
If intRowAll > intRow + 3 Then blnTitle = True '有标题题
'其次考虑行标
If intRowAll > 2 * intRow + 3 Then
blnRowLabel = True '有行标
ReDim strRowLabel(1 To intRow) '重新定义行标数组
End If
'最后考虑列标
If intRowAll > 2 * intRow + 4 Then
blnColLabel = True '有列标
ReDim strColLabel(1 To intCol) '重新定义列标数组
End If
If blnTitle Then
Input #intFileNumber, strData '读标题
strLabelName = strData '保存标题
If intCol >= 2 Then
For intI = 2 To intCol '空转，读*****号
Input #intFileNumber, strData
Next intI
End If
End If
If blnRowLabel Then
For intI = 1 To intRow
Input #intFileNumber, strData '读行标题
If intCol >= 2 Then
For intJ = 2 To intCol '空转，读*****号
Input #intFileNumber, strData
Next intJ
End If
Next intI
End If
If blnColLabel Then
For intI = 1 To intCol '读列标题
Input #intFileNumber, strData
Next intI
End If
K = 1: L = 1 '读B组和待定组数据所需要的参数
For intI = 1 To intRow
For intJ = 1 To intCol
Input #intFileNumber, strData '读各组数据
If intI <= N1 Then X1(intI, intJ) = Val(strData)
If intI > N1 And intI <= N1 + N2 Then X2(K, intJ) = Val(strData)
If intI > N1 + N2 Then X3(L, intJ) = Val(strData)
Next intJ
If intI > N1 And intI <= N1 + N2 Then K = K + 1 'B组的行加1
If intI > N1 + N2 Then L = L + 1 '待定组的行加1
Next intI
Close
ReDim Y1(1 To N1), Y2(1 To N2) '保存样本判别值
If N3 > 0 Then ReDim Y3(1 To N3)
ReDim CP1(1 To M), CP2(1 To M) 'A、B组样本的各变量平均值
ReDim XS(1 To M, 1 To M) '求判别方程时的系数矩阵
ReDim DD(1 To M) '求判别方程时的右侧向量
ReDim CC(1 To M) '求出的判别方程系数
Unload Me
frmCalculate.Visible = True '显示计算窗体
End Sub
'退出
Private Sub cmdExit_Click()
Unload Me
End
End Sub
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