/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <config.h>
+#include "language/stats/aggregate.h"
+
#include <stdlib.h>
-#include <data/any-writer.h>
-#include <data/case.h>
-#include <data/casegrouper.h>
-#include <data/casereader.h>
-#include <data/casewriter.h>
-#include <data/dictionary.h>
-#include <data/file-handle-def.h>
-#include <data/format.h>
-#include <data/procedure.h>
-#include <data/settings.h>
-#include <data/subcase.h>
-#include <data/sys-file-writer.h>
-#include <data/variable.h>
-#include <language/command.h>
-#include <language/data-io/file-handle.h>
-#include <language/lexer/lexer.h>
-#include <language/lexer/variable-parser.h>
-#include <language/stats/sort-criteria.h>
-#include <libpspp/assertion.h>
-#include <libpspp/message.h>
-#include <libpspp/misc.h>
-#include <libpspp/pool.h>
-#include <libpspp/str.h>
-#include <math/moments.h>
-#include <math/sort.h>
-#include <math/statistic.h>
-#include <math/percentiles.h>
-
-#include "minmax.h"
-#include "xalloc.h"
+#include "data/any-writer.h"
+#include "data/case.h"
+#include "data/casegrouper.h"
+#include "data/casereader.h"
+#include "data/casewriter.h"
+#include "data/dataset.h"
+#include "data/dictionary.h"
+#include "data/file-handle-def.h"
+#include "data/format.h"
+#include "data/settings.h"
+#include "data/subcase.h"
+#include "data/sys-file-writer.h"
+#include "data/variable.h"
+#include "language/command.h"
+#include "language/data-io/file-handle.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/variable-parser.h"
+#include "language/stats/sort-criteria.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "libpspp/pool.h"
+#include "libpspp/str.h"
+#include "math/moments.h"
+#include "math/percentiles.h"
+#include "math/sort.h"
+#include "math/statistic.h"
+
+#include "gl/minmax.h"
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
/* Argument for AGGREGATE function. */
union agr_argument
struct casewriter *writer;
};
-/* Aggregation functions. */
-enum
- {
- NONE, SUM, MEAN, MEDIAN, SD, MAX, MIN, PGT, PLT, PIN, POUT, FGT, FLT, FIN,
- FOUT, N, NU, NMISS, NUMISS, FIRST, LAST,
- N_AGR_FUNCS, N_NO_VARS, NU_NO_VARS,
- FUNC = 0x1f, /* Function mask. */
- FSTRING = 1<<5, /* String function bit. */
- };
-
-/* Attributes of an aggregation function. */
-struct agr_func
- {
- const char *name; /* Aggregation function name. */
- size_t n_args; /* Number of arguments. */
- enum val_type alpha_type; /* When given ALPHA arguments, output type. */
- struct fmt_spec format; /* Format spec if alpha_type != ALPHA. */
- };
/* Attributes of aggregation functions. */
-static const struct agr_func agr_func_tab[] =
+const struct agr_func agr_func_tab[] =
{
- {"<NONE>", 0, -1, {0, 0, 0}},
- {"SUM", 0, -1, {FMT_F, 8, 2}},
- {"MEAN", 0, -1, {FMT_F, 8, 2}},
- {"MEDIAN", 0, -1, {FMT_F, 8, 2}},
- {"SD", 0, -1, {FMT_F, 8, 2}},
- {"MAX", 0, VAL_STRING, {-1, -1, -1}},
- {"MIN", 0, VAL_STRING, {-1, -1, -1}},
- {"PGT", 1, VAL_NUMERIC, {FMT_F, 5, 1}},
- {"PLT", 1, VAL_NUMERIC, {FMT_F, 5, 1}},
- {"PIN", 2, VAL_NUMERIC, {FMT_F, 5, 1}},
- {"POUT", 2, VAL_NUMERIC, {FMT_F, 5, 1}},
- {"FGT", 1, VAL_NUMERIC, {FMT_F, 5, 3}},
- {"FLT", 1, VAL_NUMERIC, {FMT_F, 5, 3}},
- {"FIN", 2, VAL_NUMERIC, {FMT_F, 5, 3}},
- {"FOUT", 2, VAL_NUMERIC, {FMT_F, 5, 3}},
- {"N", 0, VAL_NUMERIC, {FMT_F, 7, 0}},
- {"NU", 0, VAL_NUMERIC, {FMT_F, 7, 0}},
- {"NMISS", 0, VAL_NUMERIC, {FMT_F, 7, 0}},
- {"NUMISS", 0, VAL_NUMERIC, {FMT_F, 7, 0}},
- {"FIRST", 0, VAL_STRING, {-1, -1, -1}},
- {"LAST", 0, VAL_STRING, {-1, -1, -1}},
- {NULL, 0, -1, {-1, -1, -1}},
- {"N", 0, VAL_NUMERIC, {FMT_F, 7, 0}},
- {"NU", 0, VAL_NUMERIC, {FMT_F, 7, 0}},
+ {"SUM", N_("Sum of values"), AGR_SV_YES, 0, -1, {FMT_F, 8, 2}},
+ {"MEAN", N_("Mean average"), AGR_SV_YES, 0, -1, {FMT_F, 8, 2}},
+ {"MEDIAN", N_("Median average"), AGR_SV_YES, 0, -1, {FMT_F, 8, 2}},
+ {"SD", N_("Standard deviation"), AGR_SV_YES, 0, -1, {FMT_F, 8, 2}},
+ {"MAX", N_("Maximum value"), AGR_SV_YES, 0, VAL_STRING, {-1, -1, -1}},
+ {"MIN", N_("Minimum value"), AGR_SV_YES, 0, VAL_STRING, {-1, -1, -1}},
+ {"PGT", N_("Percentage greater than"), AGR_SV_YES, 1, VAL_NUMERIC, {FMT_F, 5, 1}},
+ {"PLT", N_("Percentage less than"), AGR_SV_YES, 1, VAL_NUMERIC, {FMT_F, 5, 1}},
+ {"PIN", N_("Percentage included in range"), AGR_SV_YES, 2, VAL_NUMERIC, {FMT_F, 5, 1}},
+ {"POUT", N_("Percentage excluded from range"), AGR_SV_YES, 2, VAL_NUMERIC, {FMT_F, 5, 1}},
+ {"FGT", N_("Fraction greater than"), AGR_SV_YES, 1, VAL_NUMERIC, {FMT_F, 5, 3}},
+ {"FLT", N_("Fraction less than"), AGR_SV_YES, 1, VAL_NUMERIC, {FMT_F, 5, 3}},
+ {"FIN", N_("Fraction included in range"), AGR_SV_YES, 2, VAL_NUMERIC, {FMT_F, 5, 3}},
+ {"FOUT", N_("Fraction excluded from range"), AGR_SV_YES, 2, VAL_NUMERIC, {FMT_F, 5, 3}},
+ {"N", N_("Number of cases"), AGR_SV_NO, 0, VAL_NUMERIC, {FMT_F, 7, 0}},
+ {"NU", N_("Number of cases (unweighted)"), AGR_SV_OPT, 0, VAL_NUMERIC, {FMT_F, 7, 0}},
+ {"NMISS", N_("Number of missing values"), AGR_SV_YES, 0, VAL_NUMERIC, {FMT_F, 7, 0}},
+ {"NUMISS", N_("Number of missing values (unweighted)"), AGR_SV_YES, 0, VAL_NUMERIC, {FMT_F, 7, 0}},
+ {"FIRST", N_("First non-missing value"), AGR_SV_YES, 0, VAL_STRING, {-1, -1, -1}},
+ {"LAST", N_("Last non-missing value"), AGR_SV_YES, 0, VAL_STRING, {-1, -1, -1}},
+ {NULL, NULL, AGR_SV_NO, 0, -1, {-1, -1, -1}},
};
/* Missing value types. */
subcase_init_empty (&agr.sort);
/* OUTFILE subcommand must be first. */
- lex_match (lexer, '/');
+ lex_match (lexer, T_SLASH);
if (!lex_force_match_id (lexer, "OUTFILE"))
goto error;
- lex_match (lexer, '=');
- if (!lex_match (lexer, '*'))
+ lex_match (lexer, T_EQUALS);
+ if (!lex_match (lexer, T_ASTERISK))
{
out_file = fh_parse (lexer, FH_REF_FILE | FH_REF_SCRATCH);
if (out_file == NULL)
if (out_file == NULL && lex_match_id (lexer, "MODE"))
{
- lex_match (lexer, '=');
+ lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "ADDVARIABLES"))
{
agr.add_variables = true;
/* Read most of the subcommands. */
for (;;)
{
- lex_match (lexer, '/');
+ lex_match (lexer, T_SLASH);
if (lex_match_id (lexer, "MISSING"))
{
- lex_match (lexer, '=');
+ lex_match (lexer, T_EQUALS);
if (!lex_match_id (lexer, "COLUMNWISE"))
{
- lex_error (lexer, _("while expecting COLUMNWISE"));
+ lex_error (lexer, _("expecting %s"), "COLUMNWISE");
goto error;
}
agr.missing = COLUMNWISE;
copy_documents = true;
else if (lex_match_id (lexer, "PRESORTED"))
presorted = true;
- else if (lex_match_id (lexer, "BREAK"))
+ else if (lex_force_match_id (lexer, "BREAK"))
{
int i;
- lex_match (lexer, '=');
+ lex_match (lexer, T_EQUALS);
if (!parse_sort_criteria (lexer, dict, &agr.sort, &agr.break_vars,
&saw_direction))
goto error;
break;
}
else
- {
- lex_error (lexer, _("expecting BREAK"));
- goto error;
- }
+ goto error;
+
}
if (presorted && saw_direction)
msg (SW, _("When PRESORTED is specified, specifying sorting directions "
"the same way as the input data."));
/* Read in the aggregate functions. */
- lex_match (lexer, '/');
+ lex_match (lexer, T_SLASH);
if (!parse_aggregate_functions (lexer, dict, &agr))
goto error;
if (next_input == NULL)
goto error;
- proc_set_active_file (ds, next_input, agr.dict);
+ dataset_set_dict (ds, agr.dict);
+ dataset_set_source (ds, next_input);
agr.dict = NULL;
}
else
ds_init_empty (&function_name);
/* Parse the list of target variables. */
- while (!lex_match (lexer, '='))
+ while (!lex_match (lexer, T_EQUALS))
{
size_t n_dest_prev = n_dest;
- if (!parse_DATA_LIST_vars (lexer, &dest, &n_dest,
+ if (!parse_DATA_LIST_vars (lexer, dict, &dest, &n_dest,
(PV_APPEND | PV_SINGLE | PV_NO_SCRATCH
| PV_NO_DUPLICATE)))
goto error;
- if (lex_token (lexer) == T_STRING)
+ if (lex_is_string (lexer))
{
- struct string label;
- ds_init_string (&label, lex_tokstr (lexer));
-
- ds_truncate (&label, 255);
- dest_label[n_dest - 1] = ds_xstrdup (&label);
+ dest_label[n_dest - 1] = xstrdup (lex_tokcstr (lexer));
lex_get (lexer);
- ds_destroy (&label);
}
}
goto error;
}
- exclude = MV_ANY;
-
- ds_assign_string (&function_name, lex_tokstr (lexer));
-
- ds_chomp (&function_name, '.');
-
- if (lex_tokid(lexer)[strlen (lex_tokid (lexer)) - 1] == '.')
- exclude = MV_SYSTEM;
+ ds_assign_substring (&function_name, lex_tokss (lexer));
+ exclude = ds_chomp_byte (&function_name, '.') ? MV_SYSTEM : MV_ANY;
for (function = agr_func_tab; function->name; function++)
if (!strcasecmp (function->name, ds_cstr (&function_name)))
lex_get (lexer);
/* Check for leading lparen. */
- if (!lex_match (lexer, '('))
+ if (!lex_match (lexer, T_LPAREN))
{
- if (func_index == N)
- func_index = N_NO_VARS;
- else if (func_index == NU)
- func_index = NU_NO_VARS;
- else
+ if (function->src_vars == AGR_SV_YES)
{
- lex_error (lexer, _("expecting `('"));
+ lex_force_match (lexer, T_LPAREN);
goto error;
}
}
{
int type;
- lex_match (lexer, ',');
- if (lex_token (lexer) == T_STRING)
+ lex_match (lexer, T_COMMA);
+ if (lex_is_string (lexer))
{
- arg[i].c = ds_xstrdup (lex_tokstr (lexer));
+ arg[i].c = recode_string (dict_get_encoding (agr->dict),
+ "UTF-8", lex_tokcstr (lexer),
+ -1);
type = VAL_STRING;
}
else if (lex_is_number (lexer))
}
/* Trailing rparen. */
- if (!lex_match (lexer, ')'))
- {
- lex_error (lexer, _("expecting `)'"));
- goto error;
- }
+ if (!lex_force_match (lexer, T_RPAREN))
+ goto error;
/* Now check that the number of source variables match
the number of target variables. If we check earlier
struct fmt_spec f;
v->src = NULL;
destvar = dict_create_var (agr->dict, dest[i], 0);
- if (func_index == N_NO_VARS && dict_get_weight (dict) != NULL)
- f = fmt_for_output (FMT_F, 8, 2);
- else
- f = function->format;
- var_set_both_formats (destvar, &f);
- }
+ if (destvar != NULL)
+ {
+ if ((func_index == N || func_index == NMISS)
+ && dict_get_weight (dict) != NULL)
+ f = fmt_for_output (FMT_F, 8, 2);
+ else
+ f = function->format;
+ var_set_both_formats (destvar, &f);
+ }
+ }
if (!destvar)
{
free (dest[i]);
if (dest_label[i])
- var_set_label (destvar, dest_label[i]);
+ var_set_label (destvar, dest_label[i],
+ dict_get_encoding (agr->dict), true);
v->dest = destvar;
}
free (dest);
free (dest_label);
- if (!lex_match (lexer, '/'))
+ if (!lex_match (lexer, T_SLASH))
{
- if (lex_token (lexer) == '.')
+ if (lex_token (lexer) == T_ENDCMD)
return true;
lex_error (lexer, "expecting end of command");
iter->int1 = 1;
break;
case MAX | FSTRING:
+ /* Need to do some kind of Unicode collation thingy here */
if (memcmp (iter->string, value_str (v, src_width), src_width) < 0)
memcpy (iter->string, value_str (v, src_width), src_width);
iter->int1 = 1;
default:
NOT_REACHED ();
}
- } else {
+ } else {
switch (iter->function)
{
- case N_NO_VARS:
+ case N:
iter->dbl[0] += weight;
break;
- case NU_NO_VARS:
+ case NU:
iter->int1++;
break;
default:
break;
case MEDIAN:
{
- struct casereader *sorted_reader;
- struct percentile *median = percentile_create (0.5, i->cc);
- struct order_stats *os = &median->parent;
-
- sorted_reader = casewriter_make_reader (i->writer);
-
- order_stats_accumulate (&os, 1,
- sorted_reader,
- i->weight,
- i->subject,
- i->exclude);
-
- v->f = percentile_calculate (median, PC_HAVERAGE);
-
- statistic_destroy (&median->parent.parent);
+ if ( i->writer)
+ {
+ struct percentile *median = percentile_create (0.5, i->cc);
+ struct order_stats *os = &median->parent;
+ struct casereader *sorted_reader = casewriter_make_reader (i->writer);
+ i->writer = NULL;
+
+ order_stats_accumulate (&os, 1,
+ sorted_reader,
+ i->weight,
+ i->subject,
+ i->exclude);
+ i->dbl[0] = percentile_calculate (median, PC_HAVERAGE);
+ statistic_destroy (&median->parent.parent);
+ }
+ v->f = i->dbl[0];
}
break;
case SD:
break;
case N:
case N | FSTRING:
- v->f = i->dbl[0];
+ v->f = i->dbl[0];
break;
case NU:
case NU | FSTRING:
else
value_set_missing (v, width);
break;
- case N_NO_VARS:
- v->f = i->dbl[0];
- break;
- case NU_NO_VARS:
- v->f = i->int1;
- break;
case NMISS:
case NMISS | FSTRING:
v->f = i->dbl[0];
projects / pspp-builds.git / blobdiff