+dnl PSPP - a program for statistical analysis.
+dnl Copyright (C) 2017, 2020 Free Software Foundation, Inc.
+dnl
+dnl This program is free software: you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation, either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
+dnl
AT_BANNER([ONEWAY procedure])
AT_SETUP([ONEWAY basic operation])
+AT_KEYWORDS([categorical categoricals])
AT_DATA([oneway.sps],
[DATA LIST NOTABLE LIST /QUALITY * BRAND * .
BEGIN DATA
ONEWAY
quality BY brand
/STATISTICS descriptives homogeneity
- /CONTRAST = -2 1 1
+ /CONTRAST = -2 1 1
/CONTRAST = 0 -1 1
.
])
-AT_CHECK([pspp -O format=csv oneway.sps], [0],
-[Table: Descriptives
-,,,,,,95% Confidence Interval for Mean,,,
-,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
+AT_CHECK([pspp -o pspp.csv -o pspp.txt oneway.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Descriptives
+,Manufacturer,N,Mean,Std. Deviation,Std. Error,95% Confidence Interval for Mean,,Minimum,Maximum
+,,,,,,Lower Bound,Upper Bound,,
Breaking Strain,Aspeger,5,2.20,1.30,.58,.58,3.82,1.00,4.00
,Bloggs,5,3.20,1.30,.58,1.58,4.82,2.00,5.00
,Charlies,5,5.00,1.58,.71,3.04,6.96,3.00,7.00
,Total,15,3.47,1.77,.46,2.49,4.45,1.00,7.00
Table: Test of Homogeneity of Variances
-,Levene Statistic,df1,df2,Significance
-Breaking Strain,.09,2,12,.91
+,Levene Statistic,df1,df2,Sig.
+Breaking Strain,.09,2,12,.913
Table: ANOVA
-,,Sum of Squares,df,Mean Square,F,Significance
-Breaking Strain,Between Groups,20.13,2,10.07,5.12,.02
+,,Sum of Squares,df,Mean Square,F,Sig.
+Breaking Strain,Between Groups,20.13,2,10.07,5.12,.025
,Within Groups,23.60,12,1.97,,
,Total,43.73,14,,,
Table: Contrast Coefficients
-,,Manufacturer,,
-,,Aspeger,Bloggs,Charlies
-Contrast,1,-2,1,1
-,2,0,-1,1
+Contrast,Manufacturer,,
+,Aspeger,Bloggs,Charlies
+1,-2,1,1
+2,0,-1,1
Table: Contrast Tests
,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
-Breaking Strain,Assume equal variances,1,3.80,1.54,2.47,12,.03
-,,2,1.80,.89,2.03,12,.07
-,Does not assume equal,1,3.80,1.48,2.56,8.74,.03
-,,2,1.80,.92,1.96,7.72,.09
+Breaking Strain,Assume equal variances,1,3.80,1.54,2.47,12.00,.029
+,,2,1.80,.89,2.03,12.00,.065
+,Does not assume equal variances,1,3.80,1.48,2.56,8.74,.031
+,,2,1.80,.92,1.96,7.72,.086
])
AT_CLEANUP
AT_SETUP([ONEWAY with splits])
+AT_KEYWORDS([categorical categoricals])
AT_DATA([oneway-splits.sps],
[DATA LIST NOTABLE LIST /QUALITY * BRAND * S *.
BEGIN DATA
.
])
-AT_CHECK([pspp -O format=csv oneway-splits.sps], [0],
-[Variable,Value,Label
-S,1.00,
+AT_CHECK([pspp -o pspp.csv -o pspp.txt oneway-splits.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Split Values
+Variable,Value
+S,1.00
Table: Descriptives
-,,,,,,95% Confidence Interval for Mean,,,
-,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
+,Manufacturer,N,Mean,Std. Deviation,Std. Error,95% Confidence Interval for Mean,,Minimum,Maximum
+,,,,,,Lower Bound,Upper Bound,,
Breaking Strain,Aspeger,5,2.20,1.30,.58,.58,3.82,1.00,4.00
,Bloggs,2,3.50,2.12,1.50,-15.56,22.56,2.00,5.00
,Total,7,2.57,1.51,.57,1.17,3.97,1.00,5.00
Table: Test of Homogeneity of Variances
-,Levene Statistic,df1,df2,Significance
-Breaking Strain,1.09,1,5,.35
+,Levene Statistic,df1,df2,Sig.
+Breaking Strain,1.09,1,5,.345
Table: ANOVA
-,,Sum of Squares,df,Mean Square,F,Significance
-Breaking Strain,Between Groups,2.41,1,2.41,1.07,.35
+,,Sum of Squares,df,Mean Square,F,Sig.
+Breaking Strain,Between Groups,2.41,1,2.41,1.07,.349
,Within Groups,11.30,5,2.26,,
,Total,13.71,6,,,
Table: Contrast Coefficients
-,,Manufacturer,
-,,Aspeger,Bloggs
-Contrast,1,-2,2
-,2,-1,1
+Contrast,Manufacturer,
+,Aspeger,Bloggs
+1,-2,2
+2,-1,1
Table: Contrast Tests
,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
-Breaking Strain,Assume equal variances,1,2.60,2.52,1.03,5,.35
-,,2,1.30,1.26,1.03,5,.35
-,Does not assume equal,1,2.60,3.22,.81,1.32,.54
-,,2,1.30,1.61,.81,1.32,.54
+Breaking Strain,Assume equal variances,1,2.60,2.52,1.03,5.00,.349
+,,2,1.30,1.26,1.03,5.00,.349
+,Does not assume equal variances,1,2.60,3.22,.81,1.32,.539
+,,2,1.30,1.61,.81,1.32,.539
-Variable,Value,Label
-S,2.00,
+Table: Split Values
+Variable,Value
+S,2.00
Table: Descriptives
-,,,,,,95% Confidence Interval for Mean,,,
-,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
+,Manufacturer,N,Mean,Std. Deviation,Std. Error,95% Confidence Interval for Mean,,Minimum,Maximum
+,,,,,,Lower Bound,Upper Bound,,
Breaking Strain,Bloggs,3,3.00,1.00,.58,.52,5.48,2.00,4.00
,Charlies,5,5.00,1.58,.71,3.04,6.96,3.00,7.00
,Total,8,4.25,1.67,.59,2.85,5.65,2.00,7.00
Table: Test of Homogeneity of Variances
-,Levene Statistic,df1,df2,Significance
-Breaking Strain,.92,1,6,.37
+,Levene Statistic,df1,df2,Sig.
+Breaking Strain,.92,1,6,.374
Table: ANOVA
-,,Sum of Squares,df,Mean Square,F,Significance
-Breaking Strain,Between Groups,7.50,1,7.50,3.75,.10
+,,Sum of Squares,df,Mean Square,F,Sig.
+Breaking Strain,Between Groups,7.50,1,7.50,3.75,.101
,Within Groups,12.00,6,2.00,,
,Total,19.50,7,,,
Table: Contrast Coefficients
-,,Manufacturer,
-,,Bloggs,Charlies
-Contrast,1,-2,2
-,2,-1,1
+Contrast,Manufacturer,
+,Bloggs,Charlies
+1,-2,2
+2,-1,1
Table: Contrast Tests
,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
-Breaking Strain,Assume equal variances,1,4.00,2.07,1.94,6,.10
-,,2,2.00,1.03,1.94,6,.10
-,Does not assume equal,1,4.00,1.83,2.19,5.88,.07
-,,2,2.00,.91,2.19,5.88,.07
+Breaking Strain,Assume equal variances,1,4.00,2.07,1.94,6.00,.101
+,,2,2.00,1.03,1.94,6.00,.101
+,Does not assume equal variances,1,4.00,1.83,2.19,5.88,.072
+,,2,2.00,.91,2.19,5.88,.072
])
-
AT_CLEANUP
AT_SETUP([ONEWAY with missing values])
+AT_KEYWORDS([categorical categoricals])
dnl Check that missing are treated properly
AT_DATA([oneway-missing1.sps],
[DATA LIST NOTABLE LIST /v1 * v2 * dep * vn *.
ONEWAY
v1 v2 BY dep
/STATISTICS descriptives homogeneity
- /MISSING ANALYSIS
+ /MISSING ANALYSIS
.
])
AT_DATA([oneway-missing2.sps],
[DATA LIST NOTABLE LIST /v1 * v2 * dep * vn * .
BEGIN DATA
-4 . 1 2
+4 . 1 2
3 3 1 2
2 2 1 2
1 1 1 2
AT_DATA([oneway-missing3.sps],
[DATA LIST NOTABLE LIST /v1 * v2 * dep * vn * .
BEGIN DATA
-4 2 . 2
+4 2 . 2
3 3 1 2
2 2 1 2
1 1 1 2
AT_SETUP([ONEWAY descriptives subcommand])
+AT_KEYWORDS([categorical categoricals])
AT_DATA([oneway-descriptives.sps],
[DATA LIST NOTABLE LIST /QUALITY * BRAND * .
.
])
-AT_CHECK([pspp -O format=csv oneway-descriptives.sps], [0],
+AT_CHECK([pspp -O format=csv oneway-descriptives.sps], [0],
[Table: Descriptives
-,,,,,,95% Confidence Interval for Mean,,,
-,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
+,BRAND,N,Mean,Std. Deviation,Std. Error,95% Confidence Interval for Mean,,Minimum,Maximum
+,,,,,,Lower Bound,Upper Bound,,
QUALITY,11.00,5,12.20,1.30,.58,10.58,13.82,11.00,14.00
,25.00,5,13.20,1.30,.58,11.58,14.82,12.00,15.00
,301.00,5,15.00,1.58,.71,13.04,16.96,13.00,17.00
,Total,15,13.47,1.77,.46,12.49,14.45,11.00,17.00
Table: ANOVA
-,,Sum of Squares,df,Mean Square,F,Significance
-QUALITY,Between Groups,20.13,2,10.07,5.12,.02
+,,Sum of Squares,df,Mean Square,F,Sig.
+QUALITY,Between Groups,20.13,2,10.07,5.12,.025
,Within Groups,23.60,12,1.97,,
,Total,43.73,14,,,
])
AT_SETUP([ONEWAY homogeneity subcommand])
+AT_KEYWORDS([categorical categoricals])
AT_DATA([oneway-homogeneity.sps],
[DATA LIST NOTABLE LIST /QUALITY * BRAND * .
.
])
-AT_CHECK([pspp -O format=csv oneway-homogeneity.sps], [0],
+AT_CHECK([pspp -O format=csv oneway-homogeneity.sps], [0],
[Table: Test of Homogeneity of Variances
-,Levene Statistic,df1,df2,Significance
-QUALITY,.09,2,12,.91
+,Levene Statistic,df1,df2,Sig.
+QUALITY,.09,2,12,.913
Table: ANOVA
-,,Sum of Squares,df,Mean Square,F,Significance
-QUALITY,Between Groups,20.13,2,10.07,5.12,.02
+,,Sum of Squares,df,Mean Square,F,Sig.
+QUALITY,Between Groups,20.13,2,10.07,5.12,.025
,Within Groups,23.60,12,1.97,,
,Total,43.73,14,,,
])
AT_SETUP([ONEWAY multiple variables])
+AT_KEYWORDS([categorical categoricals])
dnl check that everything works ok when several different dependent variables are specified.
dnl This of course does not mean that we're doing a multivariate analysis. It's just like
dnl running several tests at once.
/CONTRAST 2 -9 7 0
.
])
-AT_CHECK([pspp -o pspp.csv multivar.sps])
+
+AT_CHECK([pspp -o pspp.csv -o pspp.txt multivar.sps])
+
dnl Some machines return 3.88 instead of 3.87 below (see bug #31611).
-AT_CHECK([sed 's/^,Within Groups,3.88/,Within Groups,3.87/' pspp.csv], [0],
-[Table: Descriptives
-,,,,,,95% Confidence Interval for Mean,,,
-,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
+AT_CHECK([sed -e 's/^,Within Groups,3.88/,Within Groups,3.87/' pspp.csv], [0],
+ [Table: Descriptives
+,g,N,Mean,Std. Deviation,Std. Error,95% Confidence Interval for Mean,,Minimum,Maximum
+,,,,,,Lower Bound,Upper Bound,,
x,10.00,3,3.67,4.62,2.67,-7.81,15.14,1.00,9.00
,20.00,5,.80,.45,.20,.24,1.36,.00,1.00
,30.00,8,.88,.64,.23,.34,1.41,.00,2.00
,Total,24,4.67,2.99,.61,3.40,5.93,.00,9.00
Table: Test of Homogeneity of Variances
-,Levene Statistic,df1,df2,Significance
-x,18.76,3,20,.00
-y,71.41,3,20,.00
-z,.89,3,20,.46
+,Levene Statistic,df1,df2,Sig.
+x,18.76,3,20,.000
+y,71.41,3,20,.000
+z,.89,3,20,.463
Table: ANOVA
-,,Sum of Squares,df,Mean Square,F,Significance
-x,Between Groups,56.16,3,18.72,2.92,.06
+,,Sum of Squares,df,Mean Square,F,Sig.
+x,Between Groups,56.16,3,18.72,2.92,.059
,Within Groups,128.34,20,6.42,,
,Total,184.50,23,,,
-y,Between Groups,7.75,3,2.58,13.33,.00
+y,Between Groups,7.75,3,2.58,13.33,.000
,Within Groups,3.87,20,.19,,
,Total,11.63,23,,,
-z,Between Groups,17.47,3,5.82,.62,.61
+z,Between Groups,17.47,3,5.82,.62,.610
,Within Groups,187.87,20,9.39,,
,Total,205.33,23,,,
Table: Contrast Coefficients
-,,g,,,
-,,10.00,20.00,30.00,40.00
-Contrast,1,3,2,0,-5
-,2,2,-9,7,0
+Contrast,g,,,
+,10.00,20.00,30.00,40.00
+1,3,2,0,-5
+2,2,-9,7,0
Table: Contrast Tests
,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
-x,Assume equal variances,1,-7.40,6.67,1.11,20,.28
-,,2,6.26,12.32,.51,20,.62
-,Does not assume equal,1,-7.40,10.04,-.74,4.53,1.50
-,,2,6.26,5.85,1.07,2.87,.37
-y,Assume equal variances,1,-6.88,1.16,5.94,20,.00
-,,2,3.50,2.14,1.63,20,.12
-,Does not assume equal,1,-6.88,.91,-7.51,7.00,2.00
-,,2,3.50,1.32,2.65,7.00,.03
-z,Assume equal variances,1,-9.70,8.07,1.20,20,.24
-,,2,11.73,14.91,.79,20,.44
-,Does not assume equal,1,-9.70,9.57,-1.01,3.64,1.63
-,,2,11.73,14.53,.81,9.88,.44
+x,Assume equal variances,1,-7.40,6.67,-1.11,20.00,.280
+,,2,6.26,12.32,.51,20.00,.617
+,Does not assume equal variances,1,-7.40,10.04,-.74,4.53,.497
+,,2,6.26,5.85,1.07,2.87,.366
+y,Assume equal variances,1,-6.88,1.16,-5.94,20.00,.000
+,,2,3.50,2.14,1.63,20.00,.118
+,Does not assume equal variances,1,-6.88,.91,-7.51,7.00,.000
+,,2,3.50,1.32,2.65,7.00,.033
+z,Assume equal variances,1,-9.70,8.07,-1.20,20.00,.243
+,,2,11.73,14.91,.79,20.00,.440
+,Does not assume equal variances,1,-9.70,9.57,-1.01,3.64,.373
+,,2,11.73,14.53,.81,9.88,.438
])
AT_CLEANUP
dnl Tests that everything treats weights properly
AT_SETUP([ONEWAY vs. weights])
+AT_KEYWORDS([categorical categoricals])
AT_DATA([oneway-unweighted.sps],
[DATA LIST NOTABLE LIST /QUALITY * BRAND * W *.
AT_CHECK([pspp -o pspp-weighted.csv oneway-weighted.sps], [0], [ignore], [ignore])
-
AT_CHECK([diff pspp-weighted.csv pspp-unweighted.csv], [0])
+AT_CLEANUP
+
+
+
+AT_SETUP([ONEWAY posthoc LSD and BONFERRONI])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([oneway-pig.sps],[dnl
+SET FORMAT F12.3.
+data list notable list /pigmentation * family *.
+begin data.
+36 1
+39 1
+43 1
+38 1
+37 1
+46 2
+47 2
+47 2
+47 2
+43 2
+40 3
+50 3
+44 3
+48 3
+50 3
+45 4
+53 4
+56 4
+52 4
+56 4
+end data.
+
+
+oneway pigmentation by family
+ /statistics = descriptives
+ /posthoc = lsd bonferroni alpha (0.05)
+ .
+])
+
+AT_CHECK([pspp -o pspp.csv -o pspp.txt oneway-pig.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Descriptives
+,family,N,Mean,Std. Deviation,Std. Error,95% Confidence Interval for Mean,,Minimum,Maximum
+,,,,,,Lower Bound,Upper Bound,,
+pigmentation,1.000,5,38.600,2.702,1.208,35.245,41.955,36.000,43.000
+,2.000,5,46.000,1.732,.775,43.849,48.151,43.000,47.000
+,3.000,5,46.400,4.336,1.939,41.016,51.784,40.000,50.000
+,4.000,5,52.400,4.506,2.015,46.806,57.994,45.000,56.000
+,Total,20,45.850,5.967,1.334,43.057,48.643,36.000,56.000
+
+Table: ANOVA
+,,Sum of Squares,df,Mean Square,F,Sig.
+pigmentation,Between Groups,478.950,3,159.650,12.927,.000
+,Within Groups,197.600,16,12.350,,
+,Total,676.550,19,,,
+
+Table: Multiple Comparisons (pigmentation)
+,(J) Family,(J) Family,Mean Difference (I - J),Std. Error,Sig.,95% Confidence Interval,
+,,,,,,Lower Bound,Upper Bound
+LSD,1.000,2.000,-7.400,2.223,.004,-12.112,-2.688
+,,3.000,-7.800,2.223,.003,-12.512,-3.088
+,,4.000,-13.800,2.223,.000,-18.512,-9.088
+,2.000,1.000,7.400,2.223,.004,2.688,12.112
+,,3.000,-.400,2.223,.859,-5.112,4.312
+,,4.000,-6.400,2.223,.011,-11.112,-1.688
+,3.000,1.000,7.800,2.223,.003,3.088,12.512
+,,2.000,.400,2.223,.859,-4.312,5.112
+,,4.000,-6.000,2.223,.016,-10.712,-1.288
+,4.000,1.000,13.800,2.223,.000,9.088,18.512
+,,2.000,6.400,2.223,.011,1.688,11.112
+,,3.000,6.000,2.223,.016,1.288,10.712
+Bonferroni,1.000,2.000,-7.400,2.223,.025,-14.086,-.714
+,,3.000,-7.800,2.223,.017,-14.486,-1.114
+,,4.000,-13.800,2.223,.000,-20.486,-7.114
+,2.000,1.000,7.400,2.223,.025,.714,14.086
+,,3.000,-.400,2.223,1.000,-7.086,6.286
+,,4.000,-6.400,2.223,.065,-13.086,.286
+,3.000,1.000,7.800,2.223,.017,1.114,14.486
+,,2.000,.400,2.223,1.000,-6.286,7.086
+,,4.000,-6.000,2.223,.095,-12.686,.686
+,4.000,1.000,13.800,2.223,.000,7.114,20.486
+,,2.000,6.400,2.223,.065,-.286,13.086
+,,3.000,6.000,2.223,.095,-.686,12.686
+])
+AT_CLEANUP
+
+
+AT_SETUP([ONEWAY posthoc Tukey HSD and Games-Howell])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([oneway-tukey.sps],[dnl
+set format = f11.3.
+data list notable list /libido * dose *.
+begin data.
+3 0
+2 0
+1 0
+1 0
+4 0
+5 1
+2 1
+4 1
+2 1
+3 1
+7 2
+4 2
+5 2
+3 2
+6 2
+end data.
+
+variable label dose 'Dose of Viagra'.
+
+add value labels dose 0 'Placebo' 1 '1 Dose' 2 '2 Doses'.
+
+oneway libido by dose
+ /posthoc tukey gh.
+])
+
+AT_CHECK([pspp -o pspp.csv -o pspp.txt oneway-tukey.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: ANOVA
+,,Sum of Squares,df,Mean Square,F,Sig.
+libido,Between Groups,20.133,2,10.067,5.119,.025
+,Within Groups,23.600,12,1.967,,
+,Total,43.733,14,,,
+
+Table: Multiple Comparisons (libido)
+,(J) Family,(J) Family,Mean Difference (I - J),Std. Error,Sig.,95% Confidence Interval,
+,,,,,,Lower Bound,Upper Bound
+Tukey HSD,Placebo,1 Dose,-1.000,.887,.516,-3.366,1.366
+,,2 Doses,-2.800,.887,.021,-5.166,-.434
+,1 Dose,Placebo,1.000,.887,.516,-1.366,3.366
+,,2 Doses,-1.800,.887,.147,-4.166,.566
+,2 Doses,Placebo,2.800,.887,.021,.434,5.166
+,,1 Dose,1.800,.887,.147,-.566,4.166
+Games-Howell,Placebo,1 Dose,-1.000,.887,.479,-3.356,1.356
+,,2 Doses,-2.800,.887,.039,-5.439,-.161
+,1 Dose,Placebo,1.000,.887,.479,-1.356,3.356
+,,2 Doses,-1.800,.887,.185,-4.439,.839
+,2 Doses,Placebo,2.800,.887,.039,.161,5.439
+,,1 Dose,1.800,.887,.185,-.839,4.439
+])
+
+AT_CLEANUP
+
+AT_SETUP([ONEWAY posthoc Sidak])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([oneway-sidak.sps],[dnl
+SET FORMAT F20.4.
+
+DATA LIST notable LIST /program score.
+BEGIN DATA.
+1 9
+1 12
+1 14
+1 11
+1 13
+2 10
+2 6
+2 9
+2 9
+2 10
+3 12
+3 14
+3 11
+3 13
+3 11
+4 9
+4 8
+4 11
+4 7
+4 8
+END DATA.
+
+ONEWAY
+ score BY program
+ /MISSING ANALYSIS
+ /POSTHOC = SIDAK.
+])
+
+AT_CHECK([pspp -O format=csv oneway-sidak.sps], [0],
+[Table: ANOVA
+,,Sum of Squares,df,Mean Square,F,Sig.
+score,Between Groups,54.9500,3,18.3167,7.0449,.003
+,Within Groups,41.6000,16,2.6000,,
+,Total,96.5500,19,,,
+
+Table: Multiple Comparisons (score)
+,(J) Family,(J) Family,Mean Difference (I - J),Std. Error,Sig.,95% Confidence Interval,
+,,,,,,Lower Bound,Upper Bound
+Šidák,1.0000,2.0000,3.0000,1.0198,.056,-.0575,6.0575
+,,3.0000,-.4000,1.0198,.999,-3.4575,2.6575
+,,4.0000,3.2000,1.0198,.038,.1425,6.2575
+,2.0000,1.0000,-3.0000,1.0198,.056,-6.0575,.0575
+,,3.0000,-3.4000,1.0198,.025,-6.4575,-.3425
+,,4.0000,.2000,1.0198,1.000,-2.8575,3.2575
+,3.0000,1.0000,.4000,1.0198,.999,-2.6575,3.4575
+,,2.0000,3.4000,1.0198,.025,.3425,6.4575
+,,4.0000,3.6000,1.0198,.017,.5425,6.6575
+,4.0000,1.0000,-3.2000,1.0198,.038,-6.2575,-.1425
+,,2.0000,-.2000,1.0198,1.000,-3.2575,2.8575
+,,3.0000,-3.6000,1.0198,.017,-6.6575,-.5425
+])
+
+AT_CLEANUP
+
+AT_SETUP([ONEWAY posthoc Scheffe])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([oneway-scheffe.sps],[dnl
+set format = f11.3.
+data list notable list /usage * group *.
+begin data.
+21.00 1
+19.00 1
+18.00 1
+25.00 1
+14.00 1
+13.00 1
+24.00 1
+19.00 1
+20.00 1
+21.00 1
+15.00 2
+10.00 2
+13.00 2
+16.00 2
+14.00 2
+24.00 2
+16.00 2
+14.00 2
+18.00 2
+16.00 2
+10.00 3
+ 7.00 3
+13.00 3
+20.00 3
+ .00 3
+ 8.00 3
+ 6.00 3
+ 1.00 3
+12.00 3
+14.00 3
+18.00 4
+15.00 4
+ 3.00 4
+27.00 4
+ 6.00 4
+14.00 4
+13.00 4
+11.00 4
+ 9.00 4
+18.00 4
+end data.
+
+variable label usage 'Days of Use'.
+
+add value labels group 0 'none' 1 'one' 2 'two' 3 'three' 4 'four'.
+
+oneway usage by group
+ /posthoc scheffe.
+])
+
+AT_CHECK([pspp -O format=csv oneway-scheffe.sps], [0],
+[Table: ANOVA
+,,Sum of Squares,df,Mean Square,F,Sig.
+Days of Use,Between Groups,555.275,3,185.092,6.663,.001
+,Within Groups,1000.100,36,27.781,,
+,Total,1555.375,39,,,
+
+Table: Multiple Comparisons (Days of Use)
+,(J) Family,(J) Family,Mean Difference (I - J),Std. Error,Sig.,95% Confidence Interval,
+,,,,,,Lower Bound,Upper Bound
+Scheffé,one,two,3.800,2.357,.467,-3.112,10.712
+,,three,10.300,2.357,.001,3.388,17.212
+,,four,6.000,2.357,.110,-.912,12.912
+,two,one,-3.800,2.357,.467,-10.712,3.112
+,,three,6.500,2.357,.072,-.412,13.412
+,,four,2.200,2.357,.832,-4.712,9.112
+,three,one,-10.300,2.357,.001,-17.212,-3.388
+,,two,-6.500,2.357,.072,-13.412,.412
+,,four,-4.300,2.357,.358,-11.212,2.612
+,four,one,-6.000,2.357,.110,-12.912,.912
+,,two,-2.200,2.357,.832,-9.112,4.712
+,,three,4.300,2.357,.358,-2.612,11.212
+])
+
+AT_CLEANUP
+
+
+AT_SETUP([ONEWAY bad contrast count])
+AT_KEYWORDS([categorical categoricals])
+
+AT_DATA([oneway-bad-contrast.sps],[dnl
+DATA LIST NOTABLE LIST /height * weight * temperature * sex *.
+BEGIN DATA.
+1884 88.6 39.97 0
+1801 90.9 39.03 0
+1801 91.7 38.98 0
+1607 56.3 36.26 1
+1608 46.3 46.26 1
+1607 55.9 37.84 1
+1604 56.6 36.81 1
+1606 56.1 34.56 1
+END DATA.
+
+ONEWAY /VARIABLES= height weight temperature BY sex
+ /CONTRAST = -1 1
+ /CONTRAST = -3 3
+ /CONTRAST = 2 -2 1
+ /CONTRAST = -9 9
+ .
+])
+
+
+AT_CHECK([pspp -o pspp.csv -o pspp.txt oneway-bad-contrast.sps], [0], [dnl
+oneway-bad-contrast.sps:18: warning: ONEWAY: In contrast list 3, the number of coefficients (3) does not equal the number of groups (2). This contrast list will be ignored.
+])
+AT_CHECK([cat pspp.csv], [0], [dnl
+"oneway-bad-contrast.sps:18: warning: ONEWAY: In contrast list 3, the number of coefficients (3) does not equal the number of groups (2). This contrast list will be ignored."
+
+Table: ANOVA
+,,Sum of Squares,df,Mean Square,F,Sig.
+height,Between Groups,92629.63,1,92629.63,120.77,.000
+,Within Groups,4601.87,6,766.98,,
+,Total,97231.50,7,,,
+weight,Between Groups,2451.65,1,2451.65,174.59,.000
+,Within Groups,84.25,6,14.04,,
+,Total,2535.90,7,,,
+temperature,Between Groups,1.80,1,1.80,.13,.733
+,Within Groups,84.55,6,14.09,,
+,Total,86.36,7,,,
+
+Table: Contrast Coefficients
+Contrast,sex,
+,.00,1.00
+1,-1,1
+2,-3,3
+3,-9,9
+
+Table: Contrast Tests
+,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
+height,Assume equal variances,1,-222.27,20.23,-10.99,6.00,.000
+,,2,-666.80,60.68,-10.99,6.00,.000
+,,3,-2000.40,182.03,-10.99,6.00,.000
+,Does not assume equal variances,1,-222.27,27.67,-8.03,2.00,.015
+,,2,-666.80,83.02,-8.03,2.00,.015
+,,3,-2000.40,249.07,-8.03,2.00,.015
+weight,Assume equal variances,1,-36.16,2.74,-13.21,6.00,.000
+,,2,-108.48,8.21,-13.21,6.00,.000
+,,3,-325.44,24.63,-13.21,6.00,.000
+,Does not assume equal variances,1,-36.16,2.19,-16.48,5.42,.000
+,,2,-108.48,6.58,-16.48,5.42,.000
+,,3,-325.44,19.75,-16.48,5.42,.000
+temperature,Assume equal variances,1,-.98,2.74,-.36,6.00,.733
+,,2,-2.94,8.22,-.36,6.00,.733
+,,3,-8.83,24.67,-.36,6.00,.733
+,Does not assume equal variances,1,-.98,2.07,-.47,4.19,.660
+,,2,-2.94,6.22,-.47,4.19,.660
+,,3,-8.83,18.66,-.47,4.19,.660
+])
+AT_CLEANUP
+
+
+AT_SETUP([ONEWAY crash on single category independent variable])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([crash.sps],[
+input program.
+loop #i = 1 to 10.
+compute test = #i.
+end case.
+end loop.
+end file.
+end input program.
+
+compute x = 1.
+
+oneway test by x.
+])
+
+AT_CHECK([pspp -O format=csv crash.sps], [0], [ignore])
+
+AT_CLEANUP
+
+
+
+AT_SETUP([ONEWAY crash on missing dependent variable])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([crash2.sps],[dnl
+data list notable list /dv1 * dv2 * y * .
+begin data.
+2 . 2
+1 . 2
+1 . 1
+2 . 4
+3 . 4
+4 . 4
+5 . 4
+end data.
+
+ONEWAY
+ /VARIABLES= dv1 dv2 BY y
+ /STATISTICS = DESCRIPTIVES
+ /POSTHOC = BONFERRONI LSD SCHEFFE SIDAK TUKEY
+ /MISSING = ANALYSIS
+ .
+])
+
+AT_CHECK([pspp -O format=csv crash2.sps], [0], [ignore])
+
+AT_CLEANUP
+
+
+
+
+AT_SETUP([ONEWAY Games-Howell test with few cases])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([crash3.sps],[dnl
+data list notable list /dv * y * .
+begin data.
+2 2
+1 2
+1 1
+2 4
+3 4
+end data.
+
+ONEWAY
+ /VARIABLES= dv BY y
+ /POSTHOC = GH
+ .
+])
+
+AT_CHECK([pspp -O format=csv crash3.sps], [0], [ignore])
+
+AT_CLEANUP
+
+
+AT_SETUP([ONEWAY Crash on empty data])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([crash4.sps],[dnl
+DATA LIST NOTABLE LIST /height * weight * temperature * sex *.
+BEGIN DATA.
+1801 . . 0
+1606 . . 1
+END DATA.
+
+ONEWAY /VARIABLES= height weight temperature BY sex
+ /CONTRAST = -1 1
+ /CONTRAST = -3 3
+ /CONTRAST = 2 -2 1
+ /CONTRAST = -9 9
+ .
+])
+
+AT_CHECK([pspp -O format=csv crash4.sps], [0], [ignore])
+
+AT_CLEANUP
+
+
+
+AT_SETUP([ONEWAY Crash on invalid dependent variable])
+AT_KEYWORDS([categorical categoricals])
+AT_DATA([crash5.sps],[dnl
+data list notable list /a * b *.
+begin data.
+3 0
+2 0
+6 2
+end data.
+
+oneway a"by b.
+
+])
+
+AT_CHECK([pspp -O format=csv crash5.sps], [1], [ignore])
+
+AT_CLEANUP
+
+
+
+
+AT_SETUP([ONEWAY Crash on unterminated string])
+AT_KEYWORDS([categorical categoricals])
+
+AT_DATA([crash6.sps], [dnl
+DATA LIST NOTABLE LIST /height * weight * temperature * sex *.
+BEGIN DATA.
+1801 . . 0
+1606 . 0 . 1
+END DATA.
+
+ONEWAY /VARIABLES= height weight temperature BY sex
+ /CONTRAST =" 2 -2 1
+ .
+])
+
+AT_CHECK([pspp -O format=csv crash6.sps], [1], [ignore])
+
+AT_CLEANUP
+
+
+AT_SETUP([ONEWAY contrast bug])
+
+AT_KEYWORDS([categorical categoricals])
+
+
+
+dnl this example comes from: https://case.truman.edu/files/2015/06/SPSS-One-Way-ANOVA.pdf
+AT_DATA([contrasts.sps],
+[
+SET FORMAT=F10.3.
+
+DATA LIST notable LIST /relieftime drugs *.
+begin data.
+12 0
+15 0
+18 0
+16 0
+20 0
+20 1
+21 1
+22 1
+19 1
+20 1
+17 2
+16 2
+19 2
+15 2
+19 2
+14 3
+13 3
+12 3
+14 3
+11 3
+end data.
+
+ONEWAY relieftime by drugs
+ /CONTRAST 3 -1 -1 -1
+ /CONTRAST 0 2 -1 -1
+ /CONTRAST 0 0 1 -1
+ .
+])
+
+AT_CHECK([pspp -O format=csv contrasts.sps], [0], [Table: ANOVA
+,,Sum of Squares,df,Mean Square,F,Sig.
+relieftime,Between Groups,146.950,3,48.983,12.723,.000
+,Within Groups,61.600,16,3.850,,
+,Total,208.550,19,,,
+
+Table: Contrast Coefficients
+Contrast,drugs,,,
+,.000,1.000,2.000,3.000
+1,3,-1,-1,-1
+2,0,2,-1,-1
+3,0,0,1,-1
+
+Table: Contrast Tests
+,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
+relieftime,Assume equal variances,1,-1.800,3.040,-.592,16.000,.562
+,,2,10.800,2.149,5.025,16.000,.000
+,,3,4.400,1.241,3.546,16.000,.003
+,Does not assume equal variances,1,-1.800,4.219,-.427,4.611,.689
+,,2,10.800,1.421,7.599,10.158,.000
+,,3,4.400,.990,4.445,7.315,.003
+])
AT_CLEANUP