calculating a Z-score. */
struct dsc_z_score
{
- struct variable *src_var; /* Variable on which z-score is based. */
+ const struct variable *src_var; /* Variable on which z-score is based. */
struct variable *z_var; /* New z-score variable. */
double mean; /* Distribution mean. */
double std_dev; /* Distribution standard deviation. */
{
struct dsc_z_score *z_scores; /* Array of Z-scores. */
int z_score_cnt; /* Number of Z-scores. */
- struct variable **vars; /* Variables for listwise missing checks. */
+ const struct variable **vars; /* Variables for listwise missing checks. */
size_t var_cnt; /* Number of variables. */
enum dsc_missing_type missing_type; /* Treatment of missing values. */
- int include_user_missing; /* Nonzero to include user-missing values. */
+ enum mv_class exclude; /* Classes of missing values to exclude. */
};
/* Statistics. Used as bit indexes, so must be 32 or fewer. */
/* A variable specified on DESCRIPTIVES. */
struct dsc_var
{
- struct variable *v; /* Variable to calculate on. */
+ const struct variable *v; /* Variable to calculate on. */
char z_name[LONG_NAME_LEN + 1]; /* Name for z-score variable. */
double valid, missing; /* Valid, missing counts. */
struct moments *moments; /* Moments. */
/* User options. */
enum dsc_missing_type missing_type; /* Treatment of missing values. */
- int include_user_missing; /* Nonzero to include user-missing values. */
+ enum mv_class exclude; /* Classes of missing values to exclude. */
int show_var_labels; /* Nonzero to show variable labels. */
int show_index; /* Nonzero to show variable index. */
enum dsc_format format; /* Output format. */
struct dsc_proc *dsc, const char *name);
static bool generate_z_varname (const struct dictionary *dict,
struct dsc_proc *dsc, char *z_name,
- const char *name, size_t *z_cnt);
+ const char *name, int *z_cnt);
static void dump_z_table (struct dsc_proc *);
static void setup_z_trns (struct dsc_proc *, struct dataset *);
{
struct dictionary *dict = dataset_dict (ds);
struct dsc_proc *dsc;
- struct variable **vars = NULL;
+ const struct variable **vars = NULL;
size_t var_cnt = 0;
int save_z_scores = 0;
- size_t z_cnt = 0;
+ int z_cnt = 0;
size_t i;
bool ok;
dsc->vars = NULL;
dsc->var_cnt = 0;
dsc->missing_type = DSC_VARIABLE;
- dsc->include_user_missing = 0;
+ dsc->exclude = MV_ANY;
dsc->show_var_labels = 1;
dsc->show_index = 0;
dsc->format = DSC_LINE;
else if (lex_match_id (lexer, "LISTWISE"))
dsc->missing_type = DSC_LISTWISE;
else if (lex_match_id (lexer, "INCLUDE"))
- dsc->include_user_missing = 1;
+ dsc->exclude = MV_SYSTEM;
else
{
lex_error (lexer, NULL);
{
int i;
- if (!parse_variables (lexer, dataset_dict (ds), &vars, &var_cnt,
+ if (!parse_variables_const (lexer, dataset_dict (ds),
+ &vars, &var_cnt,
PV_APPEND | PV_NO_DUPLICATE | PV_NUMERIC))
goto error;
- dsc->vars = xnrealloc (dsc->vars, var_cnt, sizeof *dsc->vars);
+ dsc->vars = xnrealloc ((void *)dsc->vars, var_cnt, sizeof *dsc->vars);
for (i = dsc->var_cnt; i < var_cnt; i++)
{
struct dsc_var *dv = &dsc->vars[i];
{
if (save_z_scores)
{
- size_t gen_cnt = 0;
+ int gen_cnt = 0;
for (i = 0; i < dsc->var_cnt; i++)
if (dsc->vars[i].z_name[0] == 0)
copies the new name into Z_NAME. On failure, returns false. */
static bool
generate_z_varname (const struct dictionary *dict, struct dsc_proc *dsc, char *z_name,
- const char *var_name, size_t *z_cnt)
+ const char *var_name, int *z_cnt)
{
char name[LONG_NAME_LEN + 1];
{
struct dsc_trns *t = trns_;
struct dsc_z_score *z;
- struct variable **vars;
+ const struct variable **vars;
int all_sysmis = 0;
if (t->missing_type == DSC_LISTWISE)
for (vars = t->vars; vars < t->vars + t->var_cnt; vars++)
{
double score = case_num (c, *vars);
- if ( score == SYSMIS
- || (!t->include_user_missing
- && var_is_num_user_missing (*vars, score)))
+ if (var_is_num_missing (*vars, score, t->exclude))
{
all_sysmis = 1;
break;
double input = case_num (c, z->src_var);
double *output = &case_data_rw (c, z->z_var)->f;
- if (z->mean == SYSMIS || z->std_dev == SYSMIS
- || all_sysmis || input == SYSMIS
- || (!t->include_user_missing
- && var_is_num_user_missing (z->src_var, input)))
+ if (z->mean == SYSMIS || z->std_dev == SYSMIS || all_sysmis
+ || var_is_num_missing (z->src_var, input, t->exclude))
*output = SYSMIS;
else
*output = (input - z->mean) / z->std_dev;
t->z_scores = xnmalloc (cnt, sizeof *t->z_scores);
t->z_score_cnt = cnt;
t->missing_type = dsc->missing_type;
- t->include_user_missing = dsc->include_user_missing;
+ t->exclude = dsc->exclude;
if ( t->missing_type == DSC_LISTWISE )
{
t->var_cnt = dsc->var_cnt;
double x = case_num (&c, dv->v);
if (dsc->missing_type != DSC_LISTWISE
- && (x == SYSMIS
- || (!dsc->include_user_missing
- && var_is_num_user_missing (dv->v, x))))
+ && var_is_num_missing (dv->v, x, dsc->exclude))
{
dv->missing += weight;
continue;
continue;
/* Check for missing values. */
- if (listwise_missing (dsc, &c)
- && dsc->missing_type == DSC_LISTWISE)
+ if (dsc->missing_type == DSC_LISTWISE && listwise_missing (dsc, &c))
continue;
for (i = 0; i < dsc->var_cnt; i++)
double x = case_num (&c, dv->v);
if (dsc->missing_type != DSC_LISTWISE
- && (x == SYSMIS
- || (!dsc->include_user_missing
- && var_is_num_user_missing (dv->v, x))))
+ && var_is_num_missing (dv->v, x, dsc->exclude))
continue;
if (dv->moments != NULL)
struct dsc_var *dv = &dsc->vars[i];
double x = case_num (c, dv->v);
- if (x == SYSMIS
- || (!dsc->include_user_missing
- && var_is_num_user_missing (dv->v, x)))
+ if (var_is_num_missing (dv->v, x, dsc->exclude))
return true;
}
return false;