Mercurial > octave
annotate scripts/statistics/tests/f_test_regression.m @ 21633:dcf8922b724b
Deprecate printf, puts, and scanf. Make fputs a M-file.
* libinterp/corefcn/file-io.cc: extracted printf, puts, and scanf to M-files.
* scripts/deprecated/printf.m: new function, equivalent to version file-io.cc.
* scripts/deprecated/puts.m: new function, equivalent to version file-io.cc.
* scripts/deprecated/scanf.m: new function, equivalent to version file-io.cc.
* scripts/deprecated/module.mk: added printf, puts, and scanf.
* scripts/io/fputs.m: new function, equivalent to version file-io.cc.
* scripts/io/module.mk: added fputs.
* doc/interpreter/io.txi: adapted documentation to current implementation.
* NEWS: announced changes.
* doc/interpreter/basics.txi: replaced printf by fprintf.
* doc/interpreter/stmt.txi: replaced printf by fprintf.
* doc/interpreter/var.txi: replaced printf by fprintf.
* doc/refcard/refcard.tex: removed printf and scanf.
* examples/code/@FIRfilter/display.m: replaced printf by fprintf.
* examples/code/@polynomial/display.m: replaced printf by fprintf.
* scripts/@ftp/display.m: replaced printf by fprintf.
* scripts/general/inputParser.m: replaced printf by fprintf.
* scripts/general/methods.m: replaced printf by fprintf.
* scripts/general/profexplore.m: replaced printf by fprintf.
* scripts/general/profshow.m: replaced printf by fprintf.
* scripts/help/help.m: replaced puts by fputs and printf by fprintf.
* scripts/help/lookfor.m: replaced puts by fputs and printf by fprintf.
* scripts/help/which.m: replaced printf by fprintf.
* scripts/image/imformats.m: replaced printf by fprintf.
* scripts/io/beep.m: replaced puts by fputs.
* scripts/io/textread.m: replaced printf by fprintf.
* scripts/java/javaclasspath.m: replaced printf by fprintf.
* scripts/java/javamem.m: replaced printf by fprintf.
* scripts/miscellaneous/dir.m: replaced printf by fprintf.
* scripts/miscellaneous/dos.m: replaced printf by fprintf.
* scripts/miscellaneous/fact.m: replaced printf by fprintf.
* scripts/miscellaneous/info.m: replaced printf by fprintf.
* scripts/miscellaneous/license.m: replaced printf by fprintf.
* scripts/miscellaneous/ls.m: replaced puts by fputs.
* scripts/miscellaneous/menu.m: replaced printf by fprintf.
* scripts/miscellaneous/mkoctfile.m: replaced printf by fprintf.
* scripts/miscellaneous/private/display_info_file.m:
* scripts/miscellaneous/unix.m: replaced printf by fprintf.
* scripts/miscellaneous/ver.m: replaced printf by fprintf.
* scripts/miscellaneous/what.m: replaced printf by fprintf.
* scripts/ode/ode23.m: replaced printf by fprintf.
* scripts/ode/ode45.m: replaced printf by fprintf.
* scripts/optimization/fminbnd.m: replaced printf by fprintf.
* scripts/optimization/optimset.m: replaced puts by fputs and printf by fprintf.
* scripts/optimization/sqp.m: replaced printf by fprintf.
* scripts/pkg/pkg.m: replaced printf by fprintf.
* scripts/pkg/private/describe.m: replaced printf by fprintf.
* scripts/pkg/private/install.m: replaced printf by fprintf.
* scripts/pkg/private/installed_packages.m: replaced printf by fprintf.
* scripts/pkg/private/list_forge_packages.m: replaced puts by fputs and printf by fprintf.
* scripts/pkg/private/rebuild.m: replaced printf by fprintf.
* scripts/plot/util/__gnuplot_drawnow__.m: replaced puts by fputs and printf by fprintf.
* scripts/signal/stft.m: replaced printf by fprintf.
* scripts/sparse/bicg.m: replaced printf by fprintf.
* scripts/sparse/bicgstab.m: replaced printf by fprintf.
* scripts/sparse/cgs.m: replaced printf by fprintf.
* scripts/sparse/pcg.m: replaced printf by fprintf.
* scripts/sparse/pcr.m: replaced printf by fprintf.
* scripts/sparse/qmr.m: replaced printf by fprintf.
* scripts/statistics/models/logistic_regression.m: replaced printf by fprintf.
* scripts/statistics/tests/anova.m: replaced printf by fprintf.
* scripts/statistics/tests/bartlett_test.m: replaced printf by fprintf.
* scripts/statistics/tests/chisquare_test_homogeneity.m: replaced printf by fprintf.
* scripts/statistics/tests/chisquare_test_independence.m: replaced printf by fprintf.
* scripts/statistics/tests/cor_test.m: replaced printf by fprintf.
* scripts/statistics/tests/f_test_regression.m: replaced printf by fprintf.
* scripts/statistics/tests/hotelling_test.m: replaced printf by fprintf.
* scripts/statistics/tests/hotelling_test_2.m: replaced printf by fprintf.
* scripts/statistics/tests/kolmogorov_smirnov_test.m: replaced printf by fprintf.
* scripts/statistics/tests/kolmogorov_smirnov_test_2.m: replaced printf by fprintf.
* scripts/statistics/tests/kruskal_wallis_test.m: replaced printf by fprintf.
* scripts/statistics/tests/manova.m: replaced printf by fprintf.
* scripts/statistics/tests/mcnemar_test.m: replaced printf by fprintf.
* scripts/statistics/tests/prop_test_2.m: replaced printf by fprintf.
* scripts/statistics/tests/run_test.m: replaced printf by fprintf.
* scripts/statistics/tests/sign_test.m: replaced printf by fprintf.
* scripts/statistics/tests/t_test.m: replaced printf by fprintf.
* scripts/statistics/tests/t_test_2.m: replaced printf by fprintf.
* scripts/statistics/tests/t_test_regression.m: replaced printf by fprintf.
* scripts/statistics/tests/u_test.m: replaced printf by fprintf.
* scripts/statistics/tests/var_test.m: replaced printf by fprintf.
* scripts/statistics/tests/welch_test.m: replaced printf by fprintf.
* scripts/statistics/tests/wilcoxon_test.m: replaced printf by fprintf.
* scripts/statistics/tests/z_test.m: replaced printf by fprintf.
* scripts/statistics/tests/z_test_2.m: replaced printf by fprintf.
* scripts/strings/strtok.m: replaced printf by fprintf.
* scripts/testfun/__run_test_suite__.m: replaced puts by fputs and printf by fprintf.
* scripts/testfun/demo.m: replaced printf by fprintf.
* scripts/testfun/example.m: replaced printf by fprintf.
* scripts/testfun/private/compare_plot_demos.m: replaced printf by fprintf.
* scripts/testfun/rundemos.m: replaced printf by fprintf.
* scripts/testfun/runtests.m: replaced puts by fputs and printf by fprintf.
* scripts/testfun/speed.m: replaced printf by fprintf.
* scripts/testfun/test.m: replaced printf by fprintf.
* scripts/time/calendar.m: replaced puts by fputs and printf by fprintf.
* test/io.tst: replaced printf by fprintf.
author | Kai T. Ohlhus <k.ohlhus@gmail.com> |
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date | Wed, 20 Apr 2016 17:53:10 +0200 |
parents | 516bb87ea72e |
children | 96518f623c91 |
rev | line source |
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19697
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maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 1995-2015 Kurt Hornik |
3426 | 2 ## |
3922 | 3 ## This file is part of Octave. |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
3426 | 9 ## |
3922 | 10 ## Octave is distributed in the hope that it will be useful, but |
3200 | 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
3426 | 13 ## General Public License for more details. |
14 ## | |
3200 | 15 ## You should have received a copy of the GNU General Public License |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
3200 | 18 |
3454 | 19 ## -*- texinfo -*- |
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20 ## @deftypefn {} {[@var{pval}, @var{f}, @var{df_num}, @var{df_den}] =} f_test_regression (@var{y}, @var{x}, @var{rr}, @var{r}) |
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21 ## Perform an F test for the null hypothesis @nospell{rr * b = r} in a |
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22 ## classical normal regression model y = X * b + e. |
3200 | 23 ## |
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24 ## Under the null, the test statistic @var{f} follows an F distribution with |
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25 ## @var{df_num} and @var{df_den} degrees of freedom. |
3200 | 26 ## |
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27 ## The p-value (1 minus the CDF of this distribution at @var{f}) is returned |
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parents:
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28 ## in @var{pval}. |
3454 | 29 ## |
30 ## If not given explicitly, @var{r} = 0. | |
3200 | 31 ## |
32 ## If no output argument is given, the p-value is displayed. | |
3454 | 33 ## @end deftypefn |
3200 | 34 |
5428 | 35 ## Author: KH <Kurt.Hornik@wu-wien.ac.at> |
3456 | 36 ## Description: Test linear hypotheses in linear regression model |
3200 | 37 |
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38 function [pval, f, df_num, df_den] = f_test_regression (y, x, rr, r) |
3426 | 39 |
3200 | 40 if (nargin < 3 || nargin > 4) |
6046 | 41 print_usage (); |
3200 | 42 endif |
43 | |
11469
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Rik <octave@nomad.inbox5.com>
parents:
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44 [T, k] = size (x); |
4030 | 45 if (! (isvector (y) && (length (y) == T))) |
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Rik <octave@nomad.inbox5.com>
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46 error ("f_test_regression: Y must be a vector of length rows (X)"); |
3200 | 47 endif |
48 y = reshape (y, T, 1); | |
3426 | 49 |
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Rik <octave@nomad.inbox5.com>
parents:
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50 [q, c_R ] = size (rr); |
3200 | 51 if (c_R != k) |
11472
1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents:
11469
diff
changeset
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52 error ("f_test_regression: RR must have as many columns as X"); |
3200 | 53 endif |
3426 | 54 |
3200 | 55 if (nargin == 4) |
56 s_r = size (r); | |
57 if ((min (s_r) != 1) || (max (s_r) != q)) | |
11472
1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents:
11469
diff
changeset
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58 error ("f_test_regression: R must be a vector of length rows (RR)"); |
3200 | 59 endif |
60 r = reshape (r, q, 1); | |
61 else | |
62 r = zeros (q, 1); | |
63 endif | |
64 | |
65 df_num = q; | |
66 df_den = T - k; | |
3426 | 67 |
11469
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Overhaul m-script files to use common variable name between code and documentation.
Rik <octave@nomad.inbox5.com>
parents:
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68 [b, v] = ols (y, x); |
c776f063fefe
Overhaul m-script files to use common variable name between code and documentation.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
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69 diff = rr * b - r; |
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Rik <octave@nomad.inbox5.com>
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70 f = diff' * inv (rr * inv (x' * x) * rr') * diff / (q * v); |
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maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
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71 pval = 1 - fcdf (f, df_num, df_den); |
3426 | 72 |
3200 | 73 if (nargout == 0) |
21633
dcf8922b724b
Deprecate printf, puts, and scanf. Make fputs a M-file.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
20852
diff
changeset
|
74 fprintf (" pval: %g\n", pval); |
3200 | 75 endif |
76 | |
77 endfunction | |
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78 |