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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#ifndef _WIN32
#include <sys/param.h>
#endif
#include "autoclass.h"
#include "globals.h"
/* SUPRESS CODECENTER WARNING MESSSAGES */
/* empty body for 'while' statement */
/*SUPPRESS 570*/
/* formal parameter '<---->' was not used */
/*SUPPRESS 761*/
/* automatic variable '<---->' was not used */
/*SUPPRESS 762*/
/* automatic variable '<---->' was set but not used */
/*SUPPRESS 765*/
/* INITIALIZE_REPORTS_FROM_RESULTS_PATHNAME
02feb95 wmt: new
17feb95 wmt: add clsf_n_list to get_clsf_seq arg list
26may95 wmt: added prediction_p
Get classifications from results_file. Add reports strucuture
Create global classification and compute influence values.
Returns clsf list
*/
clsf_DS *initialize_reports_from_results_pathname( char *results_file_ptr,
int_list clsf_n_list,
int *num_clsfs_found_ptr,
int prediction_p)
{
clsf_DS *clsf_list = NULL, *clsf_seq, clsf;
int expand_p = TRUE, want_wts_p = TRUE, update_wts_p = TRUE;
int n_best_clsfs, i_clsf, i;
shortstr file_type = "results";
if (prediction_p == TRUE)
expand_p = want_wts_p = update_wts_p = FALSE;
clsf_seq = get_clsf_seq( results_file_ptr, expand_p, want_wts_p, update_wts_p,
file_type, &n_best_clsfs, clsf_n_list);
for (i=0; clsf_n_list[i] != END_OF_INT_LIST; i++)
if (clsf_n_list[i] > n_best_clsfs)
fprintf( stdout, "\nWARNING: requested clsf number %d not found -- max number "
"is %d\n\n", clsf_n_list[i], n_best_clsfs);
*num_clsfs_found_ptr = 0;
for (i_clsf=0; i_clsf<n_best_clsfs; i_clsf++) {
if (member_int_list( i_clsf + 1, clsf_n_list) == TRUE) {
(*num_clsfs_found_ptr)++;
if (clsf_list == NULL)
clsf_list = (clsf_DS *) malloc( (*num_clsfs_found_ptr) * sizeof( clsf_DS));
else
clsf_list = (clsf_DS *) realloc( clsf_list, (*num_clsfs_found_ptr) *
sizeof( clsf_DS));
clsf = clsf_seq[i_clsf];
clsf_list[(*num_clsfs_found_ptr) - 1] =
init_clsf_for_reports( clsf, prediction_p);
strcpy( clsf->reports->current_results, results_file_ptr);
}
else
free_clsf_DS( clsf_seq[i_clsf]);
}
return (clsf_list);
}
/* INIT_CLSF_FOR_REPORTS
02feb95 wmt: new
26may95 wmt: added prediction_p
do expand_clsf in initialize_reports_from_results_pathname because of
peculiarities of the expansion code
*/
clsf_DS init_clsf_for_reports( clsf_DS clsf, int prediction_p)
{
int n_classes;
float *class_strength_list = NULL, max_strength = MOST_NEGATIVE_SINGLE_FLOAT;
int i_class;
class_DS *classes;
n_classes = clsf->n_classes;
classes = clsf->classes;
if (prediction_p == FALSE) {
for (i_class=0; i_class<n_classes; i_class++) {
if (class_strength_list == NULL)
class_strength_list = (float *) malloc( (i_class + 1) * sizeof( float));
else
class_strength_list = (float *) realloc( class_strength_list, (i_class + 1) *
sizeof( float));
update_l_approx_fn( classes[i_class]);
class_strength_list[i_class] = (float) class_strength_measure( classes[i_class]);
if (class_strength_list[i_class] > max_strength)
max_strength = class_strength_list[i_class];
}
}
/* allocate reports struct */
clsf->reports = (rpt_DS) malloc( sizeof( struct reports));
if (prediction_p != TRUE) {
clsf->reports->att_model_term_types = get_attribute_model_term_types( clsf);
clsf->reports->max_class_strength = max_strength;
clsf->reports->class_strength = class_strength_list;
}
else {
clsf->reports->att_model_term_types = NULL;
clsf->reports->max_class_strength = 0.0;
clsf->reports->class_strength = NULL;
}
clsf->reports->n_class_wt_ordering = n_classes;
clsf->reports->class_wt_ordering = get_class_weight_ordering( clsf);
clsf->reports->datum_class_assignment = NULL;
clsf->reports->att_i_sums = NULL;
clsf->reports->att_max_i_sum = 0.0;
clsf->reports->att_max_i_values = NULL;
clsf->reports->max_i_value = 0.0;
if (prediction_p != TRUE)
compute_influence_values( clsf);
return (clsf);
}
/* GET_CLASS_WEIGHT_ORDERING
03feb95 wmt: new
compute ordering of classes by class membership (weight)
*/
int *get_class_weight_ordering( clsf_DS clsf)
{
int i_class, *class_weight_ordering;
sort_cell_DS sort_list, temp_sort_list;
int (* comp_func) () = float_sort_cell_compare_gtr;
sort_list = (sort_cell_DS) malloc( clsf->n_classes * sizeof( struct sort_cell));
class_weight_ordering = (int *) malloc( clsf->n_classes * sizeof( int));
temp_sort_list = sort_list;
for (i_class=0; i_class<clsf->n_classes; i_class++) {
temp_sort_list->float_value = clsf->classes[i_class]->w_j;
temp_sort_list->int_value = i_class;
/* printf ("before: order-index %d class-index %d class-weight %f\n", i_class, */
/* temp_sort_list->int_value, temp_sort_list->float_value); */
temp_sort_list++;
}
qsort( (char *) sort_list, clsf->n_classes, sizeof( struct sort_cell), comp_func);
temp_sort_list = sort_list;
for (i_class=0; i_class<clsf->n_classes; i_class++) {
class_weight_ordering[i_class] = temp_sort_list->int_value;
/* printf ("after: order-index %d class-index %d class-weight %f\n", i_class, */
/* temp_sort_list->int_value, temp_sort_list->float_value); */
temp_sort_list++;
}
free( sort_list);
return (class_weight_ordering);
}
/* GET_ATTRIBUTE_MODEL_TERM_TYPES
03feb95 wmt: new
Build array of classes by attributes containing attribute model term types
*/
char ***get_attribute_model_term_types( clsf_DS clsf)
{
char ***model_term_type_array, **att_model_term_type_array;
int n_classes = clsf->n_classes, n_atts = clsf->database->n_atts;
int i_class, i_att, term_index, integer_p;
model_DS model;
model_term_type_array = (char ***) malloc( n_classes * sizeof( char **));
for (i_class=0; i_class<n_classes; i_class++) {
att_model_term_type_array = ( char **) malloc( n_atts * sizeof( char *));
model = clsf->classes[i_class]->model;
for (i_att=0; i_att<n_atts; i_att++) {
integer_p = TRUE;
term_index = atoi_p( model->att_locs[i_att], &integer_p);
att_model_term_type_array[i_att] = ( char *) malloc( sizeof( shortstr));
strcpy( att_model_term_type_array[i_att], integer_p ?
model->terms[term_index]->type : "ignore");
/* printf( "i_class %d i_att %d model_term_type %s\n", i_class, i_att, */
/* att_model_term_type_array[i_att]); */
}
model_term_type_array[i_class] = att_model_term_type_array;
}
return (model_term_type_array);
}
/* REPORT_ATT_TYPE
06feb95 wmt: new
attribute type, with models applied, of attribute n-att in class n-class
(clsf numbering), e.g. "real"
*/
char *report_att_type( clsf_DS clsf, int n_class, int n_att)
{
char * att_type;
att_type = clsf_att_type( clsf, n_att);
if (eqstring( rpt_att_model_term_type( clsf, n_class, n_att), "ignore") == TRUE)
att_type = "ignore";
return (att_type);
}
/* RPT_ATT_MODEL_TERM_TYPE
06feb95 wmt: new
attribute model term type stringof attribute n_att
in class n_class (clsf numbering), e.g. "single_normal_cn"
*/
char *rpt_att_model_term_type( clsf_DS clsf, int n_class, int n_att)
{
return (clsf->reports->att_model_term_types[n_class][n_att]);
}
/* GET_MODELS_SOURCE_INFO
07feb95 wmt: new
14may97 wmt: add comment_data_headers_p
Get classification model info & format into list of strings.
*/
void get_models_source_info( model_DS *models, int num_models,
FILE *xref_case_text_fp,
unsigned int comment_data_headers_p)
{
int i_model;
char blank = ' ';
for (i_model=0; i_model<num_models ;i_model++)
fprintf( xref_case_text_fp, "%s%8c%s%s - index = %d\n",
(comment_data_headers_p == TRUE) ? "#" : "", blank,
(models[i_model]->model_file[0] == G_slash) ? "" : G_absolute_pathname,
models[i_model]->model_file, models[i_model]->file_index);
}
/* GET_CLASS_MODEL_SOURCE_INFO
14feb95 wmt: new
14may97 wmt: add comment_data_headers_p
Formats the model file pathname and index for a class
*/
void get_class_model_source_info( class_DS class, char *class_model_source,
unsigned int comment_data_headers_p)
{
char *source = class->model->model_file;
int index = class->model->file_index;
char caller[] = "get_class_model_source_info";
safe_sprintf( class_model_source, sizeof( fxlstr), caller, "%s %s%s - index = %d",
(comment_data_headers_p == TRUE) ? "#" : "",
(source[0] == G_slash) ? "" : G_absolute_pathname, source, index);
}
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