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Code Issues Releases Wiki Activity

rogueviz:: som:: some missing initialization

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Zeno Rogue
2025-10-16 23:39:14 +02:00
parent 099c75525f
commit 617313dbbc
1 changed files with 7 additions and 0 deletions
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7
rogueviz/som/kohonen.cpp
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@@ -877,6 +877,7 @@ void initialize_samples_to_show() {
vdata.emplace_back(); vdata.emplace_back();
auto &vd = vdata.back(); auto &vd = vdata.back();
vd.name = data[s].name; vd.name = data[s].name;
labeler[data[s].name] = vdid;
vd.cp = dftcolor; vd.cp = dftcolor;
createViz(vdid, cwt.at, Id); createViz(vdid, cwt.at, Id);
storeall(vdid); storeall(vdid);
@@ -936,6 +937,7 @@ void describe_cell(cell *c) {
h += ", u-matrix = " + fts(n->udist); h += ", u-matrix = " + fts(n->udist);
h += "\n"; h += "\n";
vector<pair<double, int>> v; vector<pair<double, int>> v;
if(!whowon.empty())
for(int s=0; s<samples; s++) if(whowon[s] == n) v.emplace_back(vnorm(n->net, data[s].val), s); for(int s=0; s<samples; s++) if(whowon[s] == n) v.emplace_back(vnorm(n->net, data[s].val), s);
for(int i=1; i<isize(v); i++) swap(v[i], v[rand() % (i+1)]); for(int i=1; i<isize(v); i++) swap(v[i], v[rand() % (i+1)]);
sort(v.begin(), v.end(), [] (pair<double,int> a, pair<double,int> b) { return a.first < b.first; }); sort(v.begin(), v.end(), [] (pair<double,int> a, pair<double,int> b) { return a.first < b.first; });
@@ -1635,6 +1637,7 @@ int readArgs() {
if(argis("-som")) { if(argis("-som")) {
PHASE(3); PHASE(3);
initialize_rv();
shift(); kohonen::loadsamples(args()); shift(); kohonen::loadsamples(args());
} }
@@ -1690,6 +1693,10 @@ int readArgs() {
shift_arg_formula(learning_factor); shift_arg_formula(learning_factor);
} }
else if(argis("-som-random-initial")) {
set_neuron_initial();
}
else if(argis("-som-analyze")) { else if(argis("-som-analyze")) {
analyze(); analyze();
} }