X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=train.pl;h=aaafde473c6b84f3cd7b3855057c5b6baf21b748;hb=1fac0677bbcba5dec26e11aa661c97e38f6c3d40;hp=95dcd06208b61f87bfadcafb3093d68407ae9144;hpb=9891e2aeab5f6e2f5893a4182a1166e38ab81fb5;p=wloh

diff --git a/train.pl b/train.pl
index 95dcd06..aaafde4 100755
--- a/train.pl
+++ b/train.pl
@@ -6,63 +6,131 @@ no warnings qw(once);
 use POSIX;
 require './config.pm';
 
-my $dbh = DBI->connect($config::local_connstr, $config::local_username, $config::local_password)
-	or die "connect: " . $DBI::errstr;
-$dbh->{AutoCommit} = 0;
-$dbh->{RaiseError} = 1;
-
 # Find last completely done season 
-my $ref = $dbh->selectrow_hashref('SELECT sesong FROM fotballserier GROUP BY sesong HAVING COUNT(*)=COUNT(avgjort=1 OR NULL) ORDER BY sesong DESC LIMIT 1');
-my $last_season = $ref->{'sesong'};
-
-my $tmpnam = POSIX::tmpnam();
-open DATA, ">", $tmpnam
-	or die "$tmpnam: $!";
-
-# Fetch name (ID) list
-my $q = $dbh->prepare('SELECT DISTINCT id FROM fotballdeltagere');
-$q->execute();
-my @ids = ();
-while (my $ref = $q->fetchrow_hashref) {
-	my $id = $ref->{'id'};
-	push @ids, $id;
-}
-	
-print DATA scalar @ids, "\n";
-for my $id (@ids) {
-	print DATA $id, "\n";
+sub find_last_season {
+	my ($dbh, $locale) = @_;
+	my $ref = $dbh->selectrow_hashref('SELECT sesong FROM fotballserier se JOIN fotballspraak sp ON se.spraak=sp.id GROUP BY kultur,sesong HAVING COUNT(*)=COUNT(avgjort=1 OR NULL) AND kultur=? ORDER BY kultur,sesong DESC LIMIT 1', undef, $locale);
+	return $ref->{'sesong'};
 }
 
-# Fetch games
-$q = $dbh->prepare('
+sub fetch_games {
+	my ($dbh, $locale, $last_season, $games, $ids) = @_;
+	my $q = $dbh->prepare('
 SELECT
   deltager1.id as p1, deltager2.id as p2, maalfor, maalmot, least(pow(2.0, (sesong - ? + 3) / 3.0), 1.0) AS vekt
 FROM
-  Fotballresultater resultater
+  ( SELECT * FROM fotballresultater UNION ALL SELECT * FROM fotballresultater_2123 ) resultater
   JOIN Fotballdeltagere deltager1 ON resultater.Lagrecno=deltager1.Nr AND resultater.Serie=deltager1.Serie
   JOIN Fotballdeltagere deltager2 ON resultater.Motstander=deltager2.Nr AND resultater.Serie=deltager2.Serie
-  JOIN Fotballserier serier on resultater.Serie=serier.Nr
-WHERE deltager1.Nr > deltager2.nr
-');
-$q->execute($last_season);
-
-while (my $ref = $q->fetchrow_hashref) {
-	next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 0);
-	next if ($ref->{'maalfor'} == 0 && $ref->{'maalmot'} == 150);
-	printf DATA "%d %d %d %d %f\n", $ref->{'p1'}, $ref->{'p2'}, $ref->{'maalfor'}, $ref->{'maalmot'}, $ref->{'vekt'};
+  JOIN Fotballserier serier ON resultater.Serie=serier.Nr
+  JOIN Fotballspraak spraak ON serier.Spraak=spraak.Id
+WHERE deltager1.Nr > deltager2.nr AND kultur=?
+	');
+	$q->execute($last_season, $locale);
+
+	while (my $ref = $q->fetchrow_hashref) {
+		next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 0);
+		next if ($ref->{'maalfor'} == 0 && $ref->{'maalmot'} == 150);
+		next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 150);
+		next if ($ref->{'maalfor'} == 0 && $ref->{'maalmot'} == 0);
+		push @$games, { %$ref };
+		$ids->{$ref->{'p1'}} = 1;
+		$ids->{$ref->{'p2'}} = 1;
+	}
+}
+
+sub output_to_file {
+	my ($games, $ids) = @_;
+
+	my $tmpnam = POSIX::tmpnam();
+	open DATA, ">", $tmpnam
+		or die "$tmpnam: $!";
+
+	printf DATA "%d\n", scalar keys %$ids;
+	for my $id (keys %$ids) {
+		printf DATA "%d\n", $id;
+	}
+	for my $ref (@$games) {
+		printf DATA "%d %d %d %d %f\n", $ref->{'p1'}, $ref->{'p2'}, $ref->{'maalfor'}, $ref->{'maalmot'}, $ref->{'vekt'};
+	}
+	close DATA;
+
+	return $tmpnam;
+}
+
+sub train_model {
+	my ($filename, $locale, $ratings, $covariances, $aux_params) = @_;
+
+	open RATINGS, "$config::base_dir/bayeswf < $filename |"
+		or die "bayeswf: $!";
+	while (<RATINGS>) {
+		chomp;
+		my @x = split;
+		if ($x[0] eq 'covariance') {
+			push @$covariances, (join("\t", @x[1..3]));
+		} elsif ($x[0] eq 'aux_param') {
+			push @$aux_params, ($locale .  "\t" . $x[1] . "\t" . $x[2]);
+		} else {
+			push @$ratings, ($x[2] . "\t" . $x[0] . "\t" . $x[1]);
+		}
+	}
+
+	close RATINGS;
 }
 
-close DATA;
+sub find_all_locales {
+	my $dbh = shift;
+	my $q = $dbh->prepare('SELECT kultur FROM fotballspraak WHERE nyestesesong<>-1');
+	$q->execute;
 
-$dbh->do('DELETE FROM ratings');
-my $iq = $dbh->prepare('INSERT INTO ratings ( id, rating ) VALUES (?, ?)');
+	my @locales = ();
+	while (my $ref = $q->fetchrow_hashref) {
+		push @locales, $ref->{'kultur'};
+	}
 
-open RATINGS, "$config::base_dir/bayeswf < $tmpnam |"
-	or die "bayeswf: $!";
-while (<RATINGS>) {
-	/(.*) (.*)/ or next;
-	$iq->execute($2, $1);
+	return @locales;
 }
 
+my $dbh = DBI->connect($config::local_connstr, $config::local_username, $config::local_password)
+	or die "connect: " . $DBI::errstr;
+$dbh->{AutoCommit} = 0;
+$dbh->{RaiseError} = 1;
+
+$dbh->do('SET client_min_messages TO WARNING');
+
+my @locales = find_all_locales($dbh);
+
+my @ratings = ();
+my @covariances = ();
+my @aux_params = ();
+
+for my $locale (@locales) {
+	my $last_season = find_last_season($dbh, $locale);
+	my @games = ();
+	my %ids = ();
+	fetch_games($dbh, $locale, $last_season, \@games, \%ids);
+	my $tmpnam = output_to_file(\@games, \%ids);
+
+	train_model($tmpnam, $locale, \@ratings, \@covariances, \@aux_params);
+	unlink($tmpnam);
+}
+
+$dbh->do('CREATE TABLE new_covariance ( player1 smallint NOT NULL, player2 smallint NOT NULL, cov float NOT NULL )');
+$dbh->do('COPY new_covariance ( player1, player2, cov ) FROM STDIN');
+$dbh->pg_putcopydata(join("\n", @covariances));
+$dbh->pg_putcopyend();
+$dbh->do('ALTER TABLE new_covariance ADD PRIMARY KEY ( player1, player2 );');
+$dbh->do('DROP TABLE IF EXISTS covariance');
+$dbh->do('ALTER TABLE new_covariance RENAME TO covariance');
+
+$dbh->do('TRUNCATE aux_params');
+$dbh->do('COPY aux_params ( kultur, id, value ) FROM STDIN');
+$dbh->pg_putcopydata(join("\n", @aux_params));
+$dbh->pg_putcopyend();
+
+$dbh->do('TRUNCATE ratings');
+$dbh->do('COPY ratings ( id, rating, rating_stddev ) FROM STDIN');
+$dbh->pg_putcopydata(join("\n", @ratings));
+$dbh->pg_putcopyend();
+
 $dbh->commit;
-unlink($tmpnam);