1 AT_BANNER([ONEWAY procedure])
3 AT_SETUP([ONEWAY basic operation])
5 [DATA LIST NOTABLE LIST /QUALITY * BRAND * .
24 VARIABLE LABELS brand 'Manufacturer'.
25 VARIABLE LABELS quality 'Breaking Strain'.
27 VALUE LABELS /brand 1 'Aspeger' 2 'Bloggs' 3 'Charlies'.
31 /STATISTICS descriptives homogeneity
37 AT_CHECK([pspp -O format=csv oneway.sps], [0],
39 ,,,,,,95% Confidence Interval for Mean,,,
40 ,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
41 Breaking Strain,Aspeger,5,2.20,1.30,.58,.58,3.82,1.00,4.00
42 ,Bloggs,5,3.20,1.30,.58,1.58,4.82,2.00,5.00
43 ,Charlies,5,5.00,1.58,.71,3.04,6.96,3.00,7.00
44 ,Total,15,3.47,1.77,.46,2.49,4.45,1.00,7.00
46 Table: Test of Homogeneity of Variances
47 ,Levene Statistic,df1,df2,Significance
48 Breaking Strain,.09,2,12,.91
51 ,,Sum of Squares,df,Mean Square,F,Significance
52 Breaking Strain,Between Groups,20.13,2,10.07,5.12,.02
53 ,Within Groups,23.60,12,1.97,,
56 Table: Contrast Coefficients
58 ,,Aspeger,Bloggs,Charlies
63 ,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
64 Breaking Strain,Assume equal variances,1,3.80,1.54,2.47,12,.03
65 ,,2,1.80,.89,2.03,12,.07
66 ,Does not assume equal,1,3.80,1.48,2.56,8.74,.03
67 ,,2,1.80,.92,1.96,7.72,.09
72 AT_SETUP([ONEWAY with splits])
73 AT_DATA([oneway-splits.sps],
74 [DATA LIST NOTABLE LIST /QUALITY * BRAND * S *.
93 VARIABLE LABELS brand 'Manufacturer'.
94 VARIABLE LABELS quality 'Breaking Strain'.
96 VALUE LABELS /brand 1 'Aspeger' 2 'Bloggs' 3 'Charlies'.
102 /STATISTICS descriptives homogeneity
108 AT_CHECK([pspp -O format=csv oneway-splits.sps], [0],
109 [Variable,Value,Label
113 ,,,,,,95% Confidence Interval for Mean,,,
114 ,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
115 Breaking Strain,Aspeger,5,2.20,1.30,.58,.58,3.82,1.00,4.00
116 ,Bloggs,2,3.50,2.12,1.50,-15.56,22.56,2.00,5.00
117 ,Total,7,2.57,1.51,.57,1.17,3.97,1.00,5.00
119 Table: Test of Homogeneity of Variances
120 ,Levene Statistic,df1,df2,Significance
121 Breaking Strain,1.09,1,5,.35
124 ,,Sum of Squares,df,Mean Square,F,Significance
125 Breaking Strain,Between Groups,2.41,1,2.41,1.07,.35
126 ,Within Groups,11.30,5,2.26,,
129 Table: Contrast Coefficients
135 Table: Contrast Tests
136 ,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
137 Breaking Strain,Assume equal variances,1,2.60,2.52,1.03,5,.35
138 ,,2,1.30,1.26,1.03,5,.35
139 ,Does not assume equal,1,2.60,3.22,.81,1.32,.54
140 ,,2,1.30,1.61,.81,1.32,.54
146 ,,,,,,95% Confidence Interval for Mean,,,
147 ,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
148 Breaking Strain,Bloggs,3,3.00,1.00,.58,.52,5.48,2.00,4.00
149 ,Charlies,5,5.00,1.58,.71,3.04,6.96,3.00,7.00
150 ,Total,8,4.25,1.67,.59,2.85,5.65,2.00,7.00
152 Table: Test of Homogeneity of Variances
153 ,Levene Statistic,df1,df2,Significance
154 Breaking Strain,.92,1,6,.37
157 ,,Sum of Squares,df,Mean Square,F,Significance
158 Breaking Strain,Between Groups,7.50,1,7.50,3.75,.10
159 ,Within Groups,12.00,6,2.00,,
162 Table: Contrast Coefficients
168 Table: Contrast Tests
169 ,,Contrast,Value of Contrast,Std. Error,t,df,Sig. (2-tailed)
170 Breaking Strain,Assume equal variances,1,4.00,2.07,1.94,6,.10
171 ,,2,2.00,1.03,1.94,6,.10
172 ,Does not assume equal,1,4.00,1.83,2.19,5.88,.07
173 ,,2,2.00,.91,2.19,5.88,.07
179 AT_SETUP([ONEWAY with missing values])
180 dnl Check that missing are treated properly
181 AT_DATA([oneway-missing1.sps],
182 [DATA LIST NOTABLE LIST /v1 * v2 * dep * vn *.
204 /STATISTICS descriptives homogeneity
209 AT_DATA([oneway-missing2.sps],
210 [DATA LIST NOTABLE LIST /v1 * v2 * dep * vn * .
232 /STATISTICS descriptives homogeneity
239 AT_CHECK([pspp -O format=csv oneway-missing1.sps > first.out], [0])
241 AT_CHECK([pspp -O format=csv oneway-missing2.sps > second.out], [0])
243 AT_CHECK([diff first.out second.out], [0], [])
245 dnl Now a test with missing values in the independent variable
246 AT_DATA([oneway-missing3.sps],
247 [DATA LIST NOTABLE LIST /v1 * v2 * dep * vn * .
269 /STATISTICS descriptives homogeneity
274 AT_CHECK([pspp -O format=csv oneway-missing3.sps > third.out], [0])
276 AT_CHECK([diff first.out third.out], [0], [])
284 AT_SETUP([ONEWAY descriptives subcommand])
286 AT_DATA([oneway-descriptives.sps],
287 [DATA LIST NOTABLE LIST /QUALITY * BRAND * .
309 /STATISTICS descriptives
313 AT_CHECK([pspp -O format=csv oneway-descriptives.sps], [0],
315 ,,,,,,95% Confidence Interval for Mean,,,
316 ,,N,Mean,Std. Deviation,Std. Error,Lower Bound,Upper Bound,Minimum,Maximum
317 QUALITY,11.00,5,12.20,1.30,.58,10.58,13.82,11.00,14.00
318 ,25.00,5,13.20,1.30,.58,11.58,14.82,12.00,15.00
319 ,301.00,5,15.00,1.58,.71,13.04,16.96,13.00,17.00
320 ,Total,15,13.47,1.77,.46,12.49,14.45,11.00,17.00
323 ,,Sum of Squares,df,Mean Square,F,Significance
324 QUALITY,Between Groups,20.13,2,10.07,5.12,.02
325 ,Within Groups,23.60,12,1.97,,
333 AT_SETUP([ONEWAY homogeneity subcommand])
335 AT_DATA([oneway-homogeneity.sps],
336 [DATA LIST NOTABLE LIST /QUALITY * BRAND * .
358 /STATISTICS homogeneity
362 AT_CHECK([pspp -O format=csv oneway-homogeneity.sps], [0],
363 [Table: Test of Homogeneity of Variances
364 ,Levene Statistic,df1,df2,Significance
368 ,,Sum of Squares,df,Mean Square,F,Significance
369 QUALITY,Between Groups,20.13,2,10.07,5.12,.02
370 ,Within Groups,23.60,12,1.97,,