X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Foneway.c;h=08449103c522f92e834ffda095404780729614b4;hb=e0bcf133ab9091a2fa5227d2767651d8ec58caef;hp=2c401f56270de4c6f97852c300bd583d6ebd6189;hpb=a1f410c3ad34e83d60eb8c038946d8a0c72ce0d3;p=pspp diff --git a/src/language/stats/oneway.c b/src/language/stats/oneway.c index 2c401f5627..08449103c5 100644 --- a/src/language/stats/oneway.c +++ b/src/language/stats/oneway.c @@ -164,6 +164,9 @@ df_individual (const struct per_var_ws *pvw UNUSED, const struct moments1 *mom_i moments1_calculate (mom_i, &n_i, NULL, &var_i, 0, 0); moments1_calculate (mom_j, &n_j, NULL, &var_j, 0, 0); + + if ( n_i <= 1.0 || n_j <= 1.0) + return SYSMIS; nom = pow2 (var_i/n_i + var_j/n_j); denom = pow2 (var_i/n_i) / (n_i - 1) + pow2 (var_j/n_j) / (n_j - 1); @@ -191,6 +194,9 @@ static double sidak_pinv (double std_err, double alpha, double df, int k, const static double tukey_pinv (double std_err, double alpha, double df, int k, const struct moments1 *mom_i UNUSED, const struct moments1 *mom_j UNUSED) { + if ( k < 2 || df < 2) + return SYSMIS; + return std_err / sqrt (2.0) * qtukey (1 - alpha, 1.0, k, df, 1, 0); } @@ -211,6 +217,9 @@ static double gh_pinv (double std_err UNUSED, double alpha, double df, int k, co m = sqrt ((var_i/n_i + var_j/n_j) / 2.0); + if ( k < 2 || df < 2) + return SYSMIS; + return m * qtukey (1 - alpha, 1.0, k, df, 1, 0); } @@ -224,6 +233,8 @@ multiple_comparison_sig (double std_err, int k = pvw->n_groups; double df = ph->dff (pvw, dd_i->mom, dd_j->mom); double ts = ph->tsf (k, dd_i->mom, dd_j->mom, std_err); + if ( df == SYSMIS) + return SYSMIS; return ph->p1f (ts, k - 1, df); } @@ -232,13 +243,20 @@ mc_half_range (const struct oneway_spec *cmd, const struct per_var_ws *pvw, doub { int k = pvw->n_groups; double df = ph->dff (pvw, dd_i->mom, dd_j->mom); + if ( df == SYSMIS) + return SYSMIS; return ph->pinv (std_err, cmd->alpha, df, k, dd_i->mom, dd_j->mom); } static double tukey_1tailsig (double ts, double df1, double df2) { - double twotailedsig = 1.0 - ptukey (ts, 1.0, df1 + 1, df2, 1, 0); + double twotailedsig; + + if (df2 < 2 || df1 < 1) + return SYSMIS; + + twotailedsig = 1.0 - ptukey (ts, 1.0, df1 + 1, df2, 1, 0); return twotailedsig / 2.0; } @@ -366,6 +384,30 @@ static void show_homogeneity (const struct oneway_spec *, const struct oneway_wo static void output_oneway (const struct oneway_spec *, struct oneway_workspace *ws); static void run_oneway (const struct oneway_spec *cmd, struct casereader *input, const struct dataset *ds); +static void +oneway_cleanup (struct oneway_spec *cmd) +{ + struct contrasts_node *coeff_list = NULL; + struct contrasts_node *coeff_next = NULL; + ll_for_each_safe (coeff_list, coeff_next, struct contrasts_node, ll, &cmd->contrast_list) + { + struct coeff_node *cn = NULL; + struct coeff_node *cnx = NULL; + struct ll_list *cl = &coeff_list->coefficient_list; + + ll_for_each_safe (cn, cnx, struct coeff_node, ll, cl) + { + free (cn); + } + + free (coeff_list); + } + + free (cmd->posthoc); +} + + + int cmd_oneway (struct lexer *lexer, struct dataset *ds) { @@ -542,10 +584,12 @@ cmd_oneway (struct lexer *lexer, struct dataset *ds) ok = proc_commit (ds) && ok; } + oneway_cleanup (&oneway); free (oneway.vars); return CMD_SUCCESS; error: + oneway_cleanup (&oneway); free (oneway.vars); return CMD_FAILURE; } @@ -646,9 +690,10 @@ run_oneway (const struct oneway_spec *cmd, struct payload payload; payload.create = makeit; payload.update = updateit; + payload.calculate = NULL; ws.vws[v].cat = categoricals_create (&inter, 1, cmd->wv, - cmd->exclude); + cmd->exclude, cmd->exclude); categoricals_set_payload (ws.vws[v].cat, &payload, CONST_CAST (struct variable *, cmd->vars[v]), @@ -755,7 +800,7 @@ run_oneway (const struct oneway_spec *cmd, gsl_matrix *cm; struct per_var_ws *pvw = &ws.vws[v]; const struct categoricals *cats = covariance_get_categoricals (pvw->cov); - const bool ok = categoricals_done (cats); + const bool ok = categoricals_sane (cats); if ( ! ok) { @@ -805,6 +850,7 @@ run_oneway (const struct oneway_spec *cmd, taint_destroy (taint); finish: + for (v = 0; v < cmd->n_vars; ++v) { covariance_destroy (ws.vws[v].cov);