}
roc.state_var = parse_variable (lexer, dict);
+ if (! roc.state_var)
+ {
+ goto error;
+ }
if ( !lex_force_match (lexer, T_LPAREN))
{
if (lex_match (lexer, T_LPAREN))
{
roc.reference = true;
- lex_force_match_id (lexer, "REFERENCE");
- lex_force_match (lexer, T_RPAREN);
+ if (! lex_force_match_id (lexer, "REFERENCE"))
+ goto error;
+ if (! lex_force_match (lexer, T_RPAREN))
+ goto error;
}
}
else if (lex_match_id (lexer, "NONE"))
{
if (lex_match_id (lexer, "CUTOFF"))
{
- lex_force_match (lexer, T_LPAREN);
+ if (! lex_force_match (lexer, T_LPAREN))
+ goto error;
if (lex_match_id (lexer, "INCLUDE"))
{
roc.exclude = MV_SYSTEM;
lex_error (lexer, NULL);
goto error;
}
- lex_force_match (lexer, T_RPAREN);
+ if (! lex_force_match (lexer, T_RPAREN))
+ goto error;
}
else if (lex_match_id (lexer, "TESTPOS"))
{
- lex_force_match (lexer, T_LPAREN);
+ if (! lex_force_match (lexer, T_LPAREN))
+ goto error;
if (lex_match_id (lexer, "LARGE"))
{
roc.invert = false;
lex_error (lexer, NULL);
goto error;
}
- lex_force_match (lexer, T_RPAREN);
+ if (! lex_force_match (lexer, T_RPAREN))
+ goto error;
}
else if (lex_match_id (lexer, "CI"))
{
- lex_force_match (lexer, T_LPAREN);
- lex_force_num (lexer);
+ if (!lex_force_match (lexer, T_LPAREN))
+ goto error;
+ if (! lex_force_num (lexer))
+ goto error;
roc.ci = lex_number (lexer);
lex_get (lexer);
- lex_force_match (lexer, T_RPAREN);
+ if (!lex_force_match (lexer, T_RPAREN))
+ goto error;
}
else if (lex_match_id (lexer, "DISTRIBUTION"))
{
- lex_force_match (lexer, T_LPAREN);
+ if (!lex_force_match (lexer, T_LPAREN))
+ goto error;
if (lex_match_id (lexer, "FREE"))
{
roc.bi_neg_exp = false;
lex_error (lexer, NULL);
goto error;
}
- lex_force_match (lexer, T_RPAREN);
+ if (!lex_force_match (lexer, T_RPAREN))
+ goto error;
}
else
{
}
}
- if ( ! run_roc (ds, &roc))
+ if ( ! run_roc (ds, &roc))
goto error;
if ( roc.state_var)
#endif
-/*
+/*
Return true iff the state variable indicates that C has positive actual state.
- As a side effect, this function also accumulates the roc->{pos,neg} and
+ As a side effect, this function also accumulates the roc->{pos,neg} and
roc->{pos,neg}_weighted counts.
*/
static bool
#define N_EQ 1
#define N_PRED 2
-/* Some intermediate state for calculating the cutpoints and the
+/* Some intermediate state for calculating the cutpoints and the
standard error values */
struct roc_state
{
double n2; /* total weight of negatives */
/* intermediates for standard error */
- double q1hat;
+ double q1hat;
double q2hat;
/* intermediates for cutpoints */
double max;
};
-/*
+/*
Return a new casereader based upon CUTPOINT_RDR.
The number of "positive" cases are placed into
the position TRUE_INDEX, and the number of "negative" cases
into FALSE_INDEX.
- POS_COND and RESULT determine the semantics of what is
+ POS_COND and RESULT determine the semantics of what is
"positive".
WEIGHT is the value of a single count.
*/
static struct casereader *
accumulate_counts (struct casereader *input,
- double result, double weight,
+ double result, double weight,
bool (*pos_cond) (double, double),
int true_index, int false_index)
{
CUTPOINT_RDR accordingly. TRUE_INDEX and FALSE_INDEX are the indices
which receive these values. POS_COND is the condition defining true
and false.
-
+
3. CC is filled with the cumulative weight of all cases of READER.
*/
static struct casereader *
bool (*pred) (double, double),
const struct dictionary *dict,
double *cc,
- struct casereader **cutpoint_rdr,
+ struct casereader **cutpoint_rdr,
bool (*pos_cond) (double, double),
int true_index,
int false_index)
const int weight_idx = w ? var_get_case_index (w) :
caseproto_get_n_widths (casereader_get_proto (r1)) - 1;
-
+
struct ccase *c1;
struct casereader *rclone = casereader_clone (r1);
proto = caseproto_add_width (proto, 0);
proto = caseproto_add_width (proto, 0);
- wtr = autopaging_writer_create (proto);
+ wtr = autopaging_writer_create (proto);
*cc = 0;
casereader_destroy (r2);
}
-
+
casereader_destroy (r1);
casereader_destroy (rclone);
/* Some more indeces into case data */
#define N_POS_EQ 1 /* number of positive cases with values equal to n */
-#define N_POS_GT 2 /* number of postive cases with values greater than n */
+#define N_POS_GT 2 /* number of positive cases with values greater than n */
#define N_NEG_EQ 3 /* number of negative cases with values equal to n */
#define N_NEG_LT 4 /* number of negative cases with values less than n */
}
-/*
+/*
Create and initialise the rs[x].cutpoint_rdr casereaders. That is, the readers will
be created with width 5, ready to take the values (cutpoint, ROC_TP, ROC_FN, ROC_TN, ROC_FP), and the
reader will be populated with its final number of cases.
{
for (i = 0 ; i < roc->n_vars; ++i)
{
- const union value *v = case_data (c, roc->vars[i]);
+ const union value *v = case_data (c, roc->vars[i]);
const double result = v->f;
if ( mv_is_value_missing (var_get_missing_values (roc->vars[i]), v, roc->exclude))
/* Separate the positive actual state cases from the negative ones */
- positives =
+ positives =
casereader_create_filter_func (input,
match_positives,
NULL,
neg_wtr);
n_proto = caseproto_create ();
-
+
n_proto = caseproto_add_width (n_proto, 0);
n_proto = caseproto_add_width (n_proto, 0);
n_proto = caseproto_add_width (n_proto, 0);
n_pos_gt = prev_pos_gt;
case_data_rw_idx (nc, N_POS_GT)->f = n_pos_gt;
}
-
+
casewriter_write (w, nc);
prev_pos_gt = n_pos_gt;
}
n_neg_lt = prev_neg_lt;
case_data_rw_idx (nc, N_NEG_LT)->f = n_neg_lt;
}
-
+
casewriter_write (w, nc);
prev_neg_lt = n_neg_lt;
}
casereader_destroy (r);
case_unref (prev_case);
- rs[i].auc /= rs[i].n1 * rs[i].n2;
- if ( roc->invert )
+ rs[i].auc /= rs[i].n1 * rs[i].n2;
+ if ( roc->invert )
rs[i].auc = 1 - rs[i].auc;
if ( roc->bi_neg_exp )
subcase_destroy (&down_ordering);
output_roc (rs, roc);
-
+
for (i = 0 ; i < roc->n_vars; ++i)
casereader_destroy (rs[i].cutpoint_rdr);
projects / pspp / blobdiff