autoCollection FFNet_createIrisExample (long numberOfHidden1, long numberOfHidden2) {
try {
autoCollection c = Collection_create (classDaata, 3);
autoCategories uniq = Categories_sequentialNumbers (3);
autoFFNet me = FFNet_create (4, numberOfHidden1, numberOfHidden2, 3, 0);
FFNet_setOutputCategories (me.peek(), uniq.peek());
autostring32 name = FFNet_createNameFromTopology (me.peek());
Thing_setName (me.peek(), name.peek());
Collection_addItem_move (c.peek(), me.move());
autoTableOfReal iris = TableOfReal_createIrisDataset ();
/*
* Scale data to interval [0-1]
*/
for (long i = 1; i <= 150; i++) {
for (long j = 1; j <= 4; j++) {
iris -> data[i][j] /= 10.0;
}
}
autoPattern ap;
autoCategories ac;
TableOfReal_to_Pattern_and_Categories (iris.peek(), 0, 0, 0, 0, & ap, & ac);
Thing_setName (ap.peek(), U"iris");
Thing_setName (ac.peek(), U"iris");
Collection_addItem_move (c.peek(), ap.move());
Collection_addItem_move (c.peek(), ac.move());
return c;
} catch (MelderError) {
Melder_throw (U"Iris example not created.");
}
}
Collection FFNet_createIrisExample (long numberOfHidden1, long numberOfHidden2)
{
TableOfReal iris = NULL;
Collection c = NULL;
FFNet me = NULL;
Pattern thee = NULL;
Categories him = NULL, uniq = NULL;
long i, j;
MelderString ffnetname = { 0 };
if (! (c = Collection_create (classData, 3)) ||
! (uniq = Categories_sequentialNumbers (3)) ||
! (me = FFNet_create (4, numberOfHidden1, numberOfHidden2, 3, 0)) ||
! FFNet_setOutputCategories (me, uniq) ||
! Collection_addItem (c, me) ||
! (iris = TableOfReal_createIrisDataset ()) ||
! TableOfReal_to_Pattern_and_Categories (iris, 0, 0, 0, 0, &thee, &him) ||
! Collection_addItem (c, thee) ||
! Collection_addItem (c, him)) goto end;
/*
Scale data to interval [0-1]
*/
for (i = 1; i <= 150; i++)
{
for (j = 1; j <= 4; j++) thy z[i][j] /= 10.0;
}
FFNet_createNameFromTopology (me, &ffnetname);
Thing_setName (me, ffnetname.string);
Thing_setName (thee, L"iris");
Thing_setName (him, L"iris");
MelderString_free (&ffnetname);
end:
forget (uniq); forget (iris);
if (! Melder_hasError()) return c;
forget (c);
return NULL;
}
