int chow_test_driver (const char *line, MODEL *pmod, DATASET *dset,
gretlopt opt, PRN *prn)
{
char chowstr[VNAMELEN];
char fmt[16];
int chowparm = 0;
int err = 0;
/* chowstr should hold either an observation at which to
split the sample, or the name of a dummy variable
to be used to divide the sample (if given OPT_D)
*/
sprintf(fmt, "%%*s %%%ds", VNAMELEN-1);
if (sscanf(line, fmt, chowstr) != 1) {
err = E_PARSE;
} else if (opt & OPT_D) {
chowparm = get_chow_dummy(chowstr, dset, &err);
} else {
chowparm = dateton(chowstr, dset);
}
if (!err) {
if (opt & OPT_D) {
err = chow_test_from_dummy(chowparm, pmod, dset, opt, prn);
} else {
err = chow_test(chowparm, pmod, dset, opt, prn);
}
}
return err;
}
static gboolean obs_button_input (GtkSpinButton *spin,
gdouble *new_val,
gpointer p)
{
const gchar *obs = gtk_entry_get_text(GTK_ENTRY(spin));
int n;
if (g_object_get_data(G_OBJECT(spin), "newdata")) {
n = merge_dateton(obs, (DATASET *) p);
} else {
n = dateton(obs, (DATASET *) p);
}
*new_val = n;
return TRUE;
}
static void parse_number (parser *p)
{
char xstr[NUMLEN] = {0};
int gotcol = 0;
int i = 0;
while (ok_dbl_char(p, xstr, i - 1) && i < NUMLEN - 1) {
xstr[i++] = p->ch;
if (p->ch == ':') {
gotcol = 1;
}
parser_getc(p);
}
while (p->ch >= '0' && p->ch <= '9') {
/* flush excess numeric characters */
parser_getc(p);
}
#if LDEBUG
fprintf(stderr, "parse_number: xstr = '%s'\n", xstr);
#endif
if (gotcol) {
#if LDEBUG
fprintf(stderr, " got colon: obs identifier?\n");
#endif
if (p->dset == NULL || p->dset->n == 0) {
p->err = E_NODATA;
} else if (p->dset->pd == 1) {
p->err = E_PDWRONG;
} else if (dateton(xstr, p->dset) < 0) {
p->err = E_DATA;
} else {
p->idstr = gretl_strdup(xstr);
p->sym = STR;
}
} else {
p->xval = dot_atof(xstr);
p->sym = NUM;
#if LDEBUG
fprintf(stderr, " dot_atof gave %g\n", p->xval);
#endif
}
}
static int x12_date_to_n (const char *s, const DATASET *dset)
{
char date[12] = {0};
if (non_yearly_frequency(dset->pd)) {
int t, maj = 0, min = 0, n = strlen(s);
char fmt[16];
sprintf(fmt, "%%%dd%%2d", n - 2);
if (sscanf(s, fmt, &maj, &min) == 2) {
t = (maj - 1) * dset->pd + min - 1;
} else {
t = -1;
}
return t;
}
if (dset->pd > 1) {
int len = strlen(s);
if (len <= 4) {
strncat(date, s, len - 2);
strcat(date, ":");
strcat(date, s + len - 2);
} else {
strncat(date, s, 4);
strcat(date, ":");
strncat(date, s + 4, 4);
}
} else {
strncat(date, s, 4);
}
return dateton(date, dset);
}
static void compute_default_ts_info (DATASET *dwinfo)
{
#if DWDEBUG
char obsstr[OBSLEN];
fprintf(stderr, "compute_ts_info() called: pd=%d, structure=%d\n",
dwinfo->pd, dwinfo->structure);
if (dwinfo->pd == PD_SPECIAL) {
fprintf(stderr, "breakage: pd = PD_SPECIAL\n");
}
#endif
if (dwinfo->pd < 0) {
dwinfo->pd = 1;
}
if (dwinfo->structure == SPECIAL_TIME_SERIES) {
/* non-standard time series */
dwinfo->n = 9999 * dwinfo->pd;
dwinfo->t1 = 0;
if (dwinfo->pd > 1) {
int p = dwinfo->pd;
strcpy(dwinfo->stobs, "1:");
while ((p = p / 10) > 0) {
strcat(dwinfo->stobs, "0");
}
strcat(dwinfo->stobs, "1");
} else {
strcpy(dwinfo->stobs, "1");
}
} else if (dwinfo->pd == 1) {
strcpy(dwinfo->stobs, "1");
dwinfo->n = 2100;
dwinfo->t1 = 1959; /* 1960 */
} else if (dwinfo->pd == 10) {
int dd = default_start_decade();
sprintf(dwinfo->stobs, "%d", dd);
if (dd > 1700) {
dwinfo->n = 30;
dwinfo->t1 = 0;
} else {
dwinfo->n = 40;
dwinfo->t1 = 25;
}
} else if (dwinfo->pd == 4) {
strcpy(dwinfo->stobs, "1700:1");
dwinfo->n = 1400;
dwinfo->t1 = 1040; /* 1960:1 */
} else if (dwinfo->pd == 12) {
strcpy(dwinfo->stobs, "1700:01");
dwinfo->n = 4200;
dwinfo->t1 = 3120; /* 1960:01 */
} else if (dwinfo->pd == 24) {
strcpy(dwinfo->stobs, "1:01");
dwinfo->n = 1500;
dwinfo->t1 = 0;
} else if (dwinfo->pd == 52) {
if (dwinfo->v >= 7) {
dwinfo->n = 500;
dwinfo->t1 = 0;
strcpy(dwinfo->stobs, "1");
} else {
make_weekly_stobs(dwinfo);
dwinfo->n = 13000;
dwinfo->t1 = 7826;
}
} else if (dwinfo->pd == 5 ||
dwinfo->pd == 6 ||
dwinfo->pd == 7) {
strcpy(dwinfo->stobs, "1900-01-01");
dwinfo->n = 50000;
/* set default start to 1960-01-01 (a Friday) */
if (dwinfo->pd == 5) {
dwinfo->t1 = 15654;
} else if (dwinfo->pd == 6) {
dwinfo->t1 = 18784;
} else {
dwinfo->t1 = 21914;
}
}
dwinfo->sd0 = get_date_x(dwinfo->pd, dwinfo->stobs);
if (dataset->structure == TIME_SERIES &&
dataset->pd == dwinfo->pd) {
/* make the current start the default */
dwinfo->t1 = dateton(dataset->stobs, dwinfo);
}
ntodate(dwinfo->endobs, dwinfo->n - 1, dwinfo);
#if DWDEBUG
ntodate(obsstr, dwinfo->t1, dwinfo);
fprintf(stderr, "dwinfo: v=%d, pd=%d, stobs='%s', endobs='%s', sd0=%g, t1=%d (%s)\n",
dwinfo->v, dwinfo->pd, dwinfo->stobs, dwinfo->endobs, dwinfo->sd0,
dwinfo->t1, obsstr);
ntodate(obsstr, dataset->t1, dataset);
fprintf(stderr, "dataset: pd=%d, stobs='%s', sd0=%g, t1=%d (%s)\n",
dataset->pd, dataset->stobs, dataset->sd0, dataset->t1, obsstr);
#endif
}