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// This file is part of fityk program. Copyright 2001-2013 Marcin Wojdyr
// Licence: GNU General Public License ver. 2+
#include <wx/wx.h>
#include <wx/spinctrl.h>
#include <wx/statline.h>
#include <wx/tooltip.h>
#include <wx/clipbrd.h>
#include "fitinfo.h"
#include "frame.h" //frame
#include "cmn.h" // make_wxspinctrl, ProportionalSplitter
#include "fityk/logic.h"
#include "fityk/fit.h"
#include "fityk/data.h"
#include "fityk/var.h"
using namespace std;
using fityk::Variable;
NumericFormatPanel::NumericFormatPanel(wxWindow* parent)
: wxPanel(parent, -1)
{
wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
sizer->Add(new wxStaticText(this, -1, wxT("precision:")),
wxSizerFlags().Center());
prec_sc = make_wxspinctrl(this, -1, 6, 0, 30);
sizer->Add(prec_sc, wxSizerFlags().Center());
wxArrayString fmt_choices;
fmt_choices.Add(wxT("g"));
fmt_choices.Add(wxT("e"));
fmt_choices.Add(wxT("E"));
fmt_choices.Add(wxT("f"));
fmt_c = new wxChoice(this, -1, wxDefaultPosition, wxDefaultSize,
fmt_choices);
fmt_c->SetSelection(0);
fmt_c->SetToolTip(wxT("g: mixed format\n")
wxT("e: 1.234e+02\n")
wxT("E: 1.234E+02\n")
wxT("f: 123.400"));
sizer->Add(fmt_c, wxSizerFlags(1).Center());
SetSizerAndFit(sizer);
update_format();
Connect(fmt_c->GetId(), wxEVT_COMMAND_CHOICE_SELECTED,
wxCommandEventHandler(NumericFormatPanel::OnFormatChanged));
Connect(prec_sc->GetId(), wxEVT_COMMAND_SPINCTRL_UPDATED,
wxSpinEventHandler(NumericFormatPanel::OnPrecisionSpin));
}
void NumericFormatPanel::update_format()
{
format_= "%." + S(prec_sc->GetValue()) + REALT_LENGTH_MOD
+ wx2s(fmt_c->GetStringSelection());
wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, GetId());
AddPendingEvent(event);
}
FitInfoDlg::FitInfoDlg(wxWindow* parent, wxWindowID id)
: wxDialog(parent, id, wxString(wxT("Fit Info")),
wxDefaultPosition, wxDefaultSize,
wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER)
{
}
bool FitInfoDlg::Initialize()
{
wxBoxSizer *top_sizer = new wxBoxSizer(wxVERTICAL);
wxSplitterWindow *hsplit = new ProportionalSplitter(this, -1, 0.25);
wxPanel *left_panel = new wxPanel(hsplit);
wxSizer *lsizer = new wxBoxSizer(wxVERTICAL);
nf = new NumericFormatPanel(left_panel);
lsizer->Add(nf, wxSizerFlags().Expand().Border(wxTOP|wxBOTTOM));
left_tc = new wxTextCtrl(left_panel, -1, wxEmptyString,
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE|wxTE_RICH|wxTE_READONLY);
lsizer->Add(left_tc, wxSizerFlags(1).Expand());
left_panel->SetSizerAndFit(lsizer);
wxPanel *right_panel = new wxPanel(hsplit);
wxSizer *rsizer = new wxBoxSizer(wxVERTICAL);
wxArrayString choices;
// \u00B1 == +/-
choices.Add(wxT("\u00B1 standard errors: sqrt(WSSR/DoF COV_kk)"));
choices.Add(wxT("\u00B1 sqrt(COV_kk)"));
choices.Add(wxT("\u00B1 50% confidence intervals"));
choices.Add(wxT("\u00B1 90% confidence intervals"));
choices.Add(wxT("\u00B1 95% confidence intervals"));
choices.Add(wxT("\u00B1 99% confidence intervals"));
choices.Add(wxT("covariance matrix"));
right_c = new wxChoice(right_panel, -1, wxDefaultPosition, wxDefaultSize,
choices);
right_c->SetSelection(0);
rsizer->Add(right_c, wxSizerFlags().Expand().Border());
right_tc = new wxTextCtrl(right_panel, -1, wxT(""),
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE|wxTE_RICH|wxTE_READONLY|
wxTE_DONTWRAP);
int font_size = right_tc->GetFont().GetPointSize();
#ifndef __WXMSW__
font_size -= 1;
#endif
wxFont font(font_size, wxFONTFAMILY_TELETYPE,
wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
wxTextAttr attr;
attr.SetFont(font);
right_tc->SetDefaultStyle(attr);
rsizer->Add(right_tc, wxSizerFlags(1).Expand());
right_panel->SetSizerAndFit(rsizer);
hsplit->SplitVertically(left_panel, right_panel);
top_sizer->Add(hsplit, wxSizerFlags(1).Expand().Border());
wxBoxSizer *btn_sizer = new wxBoxSizer(wxHORIZONTAL);
btn_sizer->Add(new wxButton(this, wxID_COPY),
wxSizerFlags().Border());
btn_sizer->AddStretchSpacer();
btn_sizer->Add(new wxButton(this, wxID_CLOSE),
wxSizerFlags().Border());
top_sizer->Add(btn_sizer, wxSizerFlags().Expand());
SetSizerAndFit(top_sizer);
SetSize(wxSize(640, 440));
SetEscapeId(wxID_CLOSE);
try {
update_left_tc();
update_right_tc();
} catch (fityk::ExecuteError &e) {
ftk->ui()->warn(string("Error: ") + e.what());
return false;
}
// connect both right_c and nf (NumericFormatPanel)
Connect(-1, wxEVT_COMMAND_CHOICE_SELECTED,
wxCommandEventHandler(FitInfoDlg::OnChoice));
Connect(wxID_COPY, wxEVT_COMMAND_BUTTON_CLICKED,
wxCommandEventHandler(FitInfoDlg::OnCopy));
return true;
}
void FitInfoDlg::update_left_tc()
{
string s;
vector<Data*> datas = frame->get_selected_datas();
const vector<realt> &pp = ftk->mgr.parameters();
fityk::Fit *fit = ftk->get_fit();
int dof = fit->get_dof(datas);
double wssr = fit->compute_wssr(pp, datas, true);
wssr_over_dof = wssr / dof;
double ssr = fit->compute_wssr(pp, datas, false);
double r2 = fit->compute_r_squared(pp, datas);
int points = 0;
for (vector<Data*>::const_iterator i = datas.begin(); i != datas.end(); ++i)
points += (*i)->get_n();
if (datas.size() == 1)
s = "dataset " + S(frame->get_selected_data_indices()[0])
+ ": " + datas[0]->get_title() + "\n";
else
s = S(datas.size()) + " datasets\n";
s += "points: " + S(points) +
"\n\nDoF: " + S(dof) +
"\nWSSR: " + nf->fmt(wssr) +
"\nSSR: " + nf->fmt(ssr) +
"\nWSSR/DoF: " + nf->fmt(wssr_over_dof) +
"\nRes.St.Dev.: " + nf->fmt(sqrt(wssr_over_dof)) +
"\nR-squared: " + nf->fmt(r2) + "\n";
left_tc->SetValue(s2wx(s));
}
void FitInfoDlg::update_right_tc()
{
fityk::Fit *fit = ftk->get_fit();
int choice = right_c->GetSelection();
vector<Data*> datas = frame->get_selected_datas();
vector<realt> const &pp = ftk->mgr.parameters();
int na = pp.size();
wxString s;
if (choice <= 5) {
vector<double> errors;
if (choice == 0 || choice == 1) {
try {
errors = fit->get_standard_errors(datas);
}
catch (fityk::ExecuteError&) {
errors.resize(na, 0.);
}
if (choice == 1)
vm_foreach (double, i, errors)
*i *= 1. / sqrt(wssr_over_dof);
} else {
int level;
if (choice == 2)
level = 50;
else if (choice == 3)
level = 90;
else if (choice == 4)
level = 95;
else //if (choice == 5)
level = 99;
try {
errors = fit->get_confidence_limits(datas, level);
}
catch (fityk::ExecuteError&) {
errors.resize(na, 0.);
}
}
for (int i = 0; i < na; ++i) {
if (fit->is_param_used(i)) {
const Variable *var = ftk->mgr.gpos_to_var(i);
vector<string> in = ftk->mgr.get_variable_references(var->name);
wxString name = wxT("$") + s2wx(var->name);
if (in.size() == 1 && in[0][0] == '%')
name += wxT(" = ") + s2wx(in[0]);
else if (in.size() == 1)
name += wxT(" (in ") + s2wx(in[0]) + wxT(")");
else
name += wxT(" (") + s2wx(S(in.size())) + wxT(" refs)");
wxString val = s2wx(nf->fmt(pp[i]));
// \u00B1 == +/-
s += wxString::Format(wxT("\n%20s = %10s \u00B1 "),
name.c_str(), val.c_str());
if (errors[i] == 0.)
s += wxT("??");
else
s += s2wx(nf->fmt(errors[i]));
}
}
} else {
s = wxT(" ");
vector<double> alpha;
try {
alpha = fit->get_covariance_matrix(datas);
}
catch (fityk::ExecuteError&) {
alpha.resize(na*na, 0.);
}
for (int i = 0; i < na; ++i)
if (fit->is_param_used(i)) {
string name = ftk->mgr.gpos_to_var(i)->name;
s += wxString::Format("%10s", s2wx("$"+name).c_str());
}
for (int i = 0; i < na; ++i) {
if (fit->is_param_used(i)) {
string name = ftk->mgr.gpos_to_var(i)->name;
s += wxString::Format("\n%10s", s2wx("$"+name).c_str());
for (int j = 0; j < na; ++j) {
if (fit->is_param_used(j)) {
double val = alpha[na*i + j];
if (fabs(val) < 1e-99)
val = 0.;
s += wxString::Format(wxT(" %9s"),
s2wx(nf->fmt(val)).c_str());
}
}
}
}
}
// On wxMSW 2.9.0 wxTextCtrl::ChangeValue() ignores default styles
//right_tc->ChangeValue(s);
right_tc->Clear();
right_tc->AppendText(s);
}
void FitInfoDlg::OnCopy(wxCommandEvent&)
{
wxString sel = right_tc->GetStringSelection();
if (sel.empty())
sel = left_tc->GetStringSelection();
if (sel.empty())
sel = right_tc->GetValue();
if (wxTheClipboard->Open()) {
wxTheClipboard->SetData(new wxTextDataObject(sel));
wxTheClipboard->Close();
}
}
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