#include "hash.h"
#include "casefile.h"
#include "factor_stats.h"
+#include "moments.h"
+
/* (headers) */
#include "chart.h"
static struct metrics *totals=0;
-void
-print_factors(void)
-{
- struct factor *f = factors;
-
- while (f)
- {
- struct factor_statistics **fs = f->fs;
-
- printf("Factor: %s BY %s\n",
- var_to_string(f->indep_var[0]),
- var_to_string(f->indep_var[1]) );
-
-
- printf("Contains %d entries\n", hsh_count(f->fstats));
-
-
- while (*fs)
- {
- printf("Factor %g; %g\n", (*fs)->id[0].f, (*fs)->id[1].f);
-
- /*
- printf("Factor %s; %s\n",
- value_to_string(&(*fs)->id[0], f->indep_var[0]),
- value_to_string(&(*fs)->id[1], f->indep_var[1]));
- */
-
-
- printf("Sum is %g; ",(*fs)->m[0].sum);
- printf("N is %g; ",(*fs)->m[0].n);
- printf("Mean is %g\n",(*fs)->m[0].mean);
-
- fs++ ;
- }
-
- f = f->next;
- }
-
-
-}
-
-
/* Parse the clause specifying the factors */
static int examine_parse_independent_vars(struct cmd_examine *cmd);
-
/* Per Split function */
static void run_examine(const struct casefile *cf, void *cmd_);
if ( cmd.sbc_plot)
{
+ int v;
if ( cmd.a_plot[XMN_PLT_NPPLOT] )
{
- int v;
+ for ( v = 0 ; v < n_dependent_vars; ++v )
+ np_plot(&totals[v], var_to_string(dependent_vars[v]));
+ }
+ if ( cmd.a_plot[XMN_PLT_HISTOGRAM] )
+ {
for ( v = 0 ; v < n_dependent_vars; ++v )
- np_plot(&totals[v], var_to_string(dependent_vars[v]));
+ {
+ struct normal_curve normal;
+
+ normal.N = totals[v].n;
+ normal.mean = totals[v].mean;
+ normal.stddev = totals[v].stddev;
+
+ histogram_plot(totals[v].histogram,
+ var_to_string(dependent_vars[v]),
+ &normal, 0);
+ }
}
+
}
if ( cmd.sbc_plot)
{
- if ( cmd.a_plot[XMN_PLT_NPPLOT] )
+ int v;
+
+ struct factor_statistics **fs = fctr->fs ;
+
+ for ( v = 0 ; v < n_dependent_vars; ++v )
{
- int v;
- for ( v = 0 ; v < n_dependent_vars; ++ v)
+
+ for ( fs = fctr->fs ; *fs ; ++fs )
{
-
- struct factor_statistics **fs = fctr->fs ;
- for ( fs = fctr->fs ; *fs ; ++fs )
- {
- char buf1[100];
- char buf2[100];
- sprintf(buf1, "%s (",
- var_to_string(dependent_vars[v]));
+ char buf1[100];
+ char buf2[100];
+ sprintf(buf1, "%s (",
+ var_to_string(dependent_vars[v]));
- sprintf(buf2, "%s = %s",
- var_to_string(fctr->indep_var[0]),
- value_to_string(&(*fs)->id[0],fctr->indep_var[0]));
+ snprintf(buf2, 100, "%s = %s",
+ var_to_string(fctr->indep_var[0]),
+ value_to_string(&(*fs)->id[0],fctr->indep_var[0]));
+ strcat(buf1, buf2);
+
+ if ( fctr->indep_var[1] )
+ {
+ sprintf(buf2, "; %s = %s)",
+ var_to_string(fctr->indep_var[1]),
+ value_to_string(&(*fs)->id[1],
+ fctr->indep_var[1]));
strcat(buf1, buf2);
+ }
+ else
+ {
+ strcat(buf1, ")");
+ }
-
- if ( fctr->indep_var[1] )
- {
- sprintf(buf2, "; %s = %s)",
- var_to_string(fctr->indep_var[1]),
- value_to_string(&(*fs)->id[1],
- fctr->indep_var[1]));
- strcat(buf1, buf2);
- }
- else
- {
- strcat(buf1, ")");
- }
-
- np_plot(&(*fs)->m[v],buf1);
+ if ( cmd.a_plot[XMN_PLT_NPPLOT] )
+ np_plot(&(*fs)->m[v],buf1);
+
+ if ( cmd.a_plot[XMN_PLT_HISTOGRAM] )
+ {
+ struct normal_curve normal;
+
+ normal.N = (*fs)->m[v].n;
+ normal.mean = (*fs)->m[v].mean;
+ normal.stddev = (*fs)->m[v].stddev;
+
+ histogram_plot((*fs)->m[v].histogram,
+ buf1, &normal, 0);
}
- }
+ } /* for ( fs .... */
+
+ } /* for ( v = 0 ..... */
- }
}
fctr = fctr->next;
tab_float (tbl, col + 3,
row,
TAB_CENTER,
- m->stderr,
+ m->se_mean,
8,3);
tab_float (tbl, col + 2,
row + 1,
TAB_CENTER,
- m->mean - t * m->stderr,
+ m->mean - t * m->se_mean,
8,3);
tab_text (tbl, col + 1,
tab_float (tbl, col + 2,
row + 2,
TAB_CENTER,
- m->mean + t * m->stderr,
+ m->mean + t * m->se_mean,
8,3);
tab_text (tbl, col,
TAB_LEFT | TAT_TITLE,
_("Skewness"));
+
+ tab_float (tbl, col + 2,
+ row + 11,
+ TAB_CENTER,
+ m->skewness,
+ 8,3);
+
+ /* stderr of skewness */
+ tab_float (tbl, col + 3,
+ row + 11,
+ TAB_CENTER,
+ calc_seskew(m->n),
+ 8,3);
+
+
tab_text (tbl, col,
row + 12,
TAB_LEFT | TAT_TITLE,
_("Kurtosis"));
-}
+ tab_float (tbl, col + 2,
+ row + 12,
+ TAB_CENTER,
+ m->kurtosis,
+ 8,3);
+
+ /* stderr of kurtosis */
+ tab_float (tbl, col + 3,
+ row + 12,
+ TAB_CENTER,
+ calc_sekurt(m->n),
+ 8,3);
+
+}
/* Plot the normal and detrended normal plots for m
/* Detrended Normal Plot */
struct chart dnp_chart;
- const struct weighted_value *wv = *(m->wvp);
-
-
/* The slope and intercept of the ideal normal probability line */
const double slope = 1.0 / m->stddev;
const double intercept = - m->mean / m->stddev;
chart_write_xlabel(&dnp_chart, _("Observed Value"));
chart_write_ylabel(&dnp_chart, _("Dev from Normal"));
- yfirst = gsl_cdf_ugaussian_Pinv (wv[0].rank / ( m->n + 1));
- ylast = gsl_cdf_ugaussian_Pinv (wv[m->n_data-1].rank / ( m->n + 1));
+ yfirst = gsl_cdf_ugaussian_Pinv (m->wvp[0]->rank / ( m->n + 1));
+ ylast = gsl_cdf_ugaussian_Pinv (m->wvp[m->n_data-1]->rank / ( m->n + 1));
+
{
/* Need to make sure that both the scatter plot and the ideal fit into the
double x_upper = max(m->max, (ylast - intercept) / slope) ;
double slack = (x_upper - x_lower) * 0.05 ;
- chart_write_xscale(&np_chart, x_lower - slack, x_upper + slack,
- chart_rounded_tick((m->max - m->min) / 5.0));
+ chart_write_xscale(&np_chart, x_lower - slack, x_upper + slack, 5);
-
- chart_write_xscale(&dnp_chart, m->min, m->max,
- chart_rounded_tick((m->max - m->min) / 5.0));
+ chart_write_xscale(&dnp_chart, m->min, m->max, 5);
}
- chart_write_yscale(&np_chart, yfirst, ylast,
- chart_rounded_tick((ylast - yfirst)/5.0) );
+ chart_write_yscale(&np_chart, yfirst, ylast, 5);
{
/* We have to cache the detrended data, beacause we need to
double d_min = DBL_MAX;
for ( i = 0 ; i < m->n_data; ++i )
{
- const double ns = gsl_cdf_ugaussian_Pinv (wv[i].rank / ( m->n + 1));
+ const double ns = gsl_cdf_ugaussian_Pinv (m->wvp[i]->rank / ( m->n + 1));
- chart_datum(&np_chart, 0, wv[i].v.f, ns);
+ chart_datum(&np_chart, 0, m->wvp[i]->v.f, ns);
- d_data[i] = (wv[i].v.f - m->mean) / m->stddev - ns;
+ d_data[i] = (m->wvp[i]->v.f - m->mean) / m->stddev - ns;
if ( d_data[i] < d_min ) d_min = d_data[i];
if ( d_data[i] > d_max ) d_max = d_data[i];
}
-
- chart_write_yscale(&dnp_chart, d_min, d_max,
- chart_rounded_tick((d_max - d_min) / 5.0));
+ chart_write_yscale(&dnp_chart, d_min, d_max, 5);
for ( i = 0 ; i < m->n_data; ++i )
- chart_datum(&dnp_chart, 0, wv[i].v.f, d_data[i]);
+ chart_datum(&dnp_chart, 0, m->wvp[i]->v.f, d_data[i]);
free(d_data);
}
projects / pspp-builds.git / blobdiff