1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
#!/usr/bin/perl
# The above line is modified by ./Makefile to match the system's
# installed location for Perl.
$usage = <<USAGE;
USAGE: ac [-bins] interval classes|'all' < andrew-files
USAGE
if ($ARGV[0] eq '-bins')
{
$bins = 1;
shift @ARGV;
}
($interval, @classes) = @ARGV;
&usage_msg unless $interval && @classes;
if (@classes == 1 && $classes[0] eq 'all')
{
$all_classes = 1;
}
else
{
for (@classes) { $classes{$_} = 1 }
}
print STDERR "Reading...\n";
while ($line = <STDIN>)
{
if (($actual_class, $predicted) = $line =~ /^\S+\s+(\S+)\s+(\S+)/)
{
if (($predicted_class, $confidence) = $predicted =~ /([^:]+):(.*)/)
{
push(@predictions,
[ $confidence, $predicted_class, $actual_class ]);
}
}
}
print STDERR "Got ", $predictions, " records.\nSorting...\n";
@predictions = sort { $b->[0] <=> $a->[0] } @predictions;
$at_interval = $interval;
print STDERR "Coverage Accuracy\n";
for $prediction (@predictions)
{
# coverage
if ($all_classes || $classes{$prediction->[2]})
{
++$seen_count;
}
}
for($index = 0; $index < @predictions; $index++)
{
$prediction = $predictions[$index];
if ($all_classes || $classes{$prediction->[1]})
{
++$predicted_count;
++$correct_count, ++$all_correct_count
if $prediction->[1] eq $prediction->[2];
}
$cov_percent = 100 * $all_correct_count / $seen_count;
# If we've come to a reporting point and there are more predictions
# left, and the score of this prediction is not the same as the
# score of the next one, then we can output a point here.
if (($cov_percent >= $at_interval) &&
($index < (@predictions - 1)) &&
($prediction->[0] != $predictions[$index + 1]->[0]))
{
$acc_percent = 100 * $correct_count / $predicted_count;
$at_interval += $interval;
printf("%6.2f %8.2f (%3d correct of %3d predicted, %7f confidence)\n", $cov_percent, $acc_percent, $correct_count, $predicted_count, $prediction->[0]);
# print $cov_percent, ' ', $acc_percent, "\n";
$correct_count = $predicted_count = 0 if $bins;
# Figure out what our next output point should be
while ($at_interval <= $cov_percent) {
$at_interval += $interval;
}
}
# print $seen_count, ' ', $predicted_count, ' ', $correct_count, "\n";
$final_confidence = $prediction->[0];
}
$acc_percent = 100 * $correct_count / $predicted_count;
printf("%6.2f %8.2f (%3d correct of %3d predicted, %7f confidence)\n", $cov_percent, $acc_percent, $correct_count, $predicted_count, $final_confidence);
sub usage_msg
{
print STDERR $usage;
exit 1;
}
|
