3 # This program tests that the T-TEST works when the independent
7 TEMPDIR=/tmp/pspp-tst-$$
8 TESTFILE=$TEMPDIR/`basename $0`.sps
10 # ensure that top_builddir are absolute
11 if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
12 if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
13 top_builddir=`cd $top_builddir; pwd`
14 PSPP=$top_builddir/src/ui/terminal/pspp
16 # ensure that top_srcdir is absolute
17 top_srcdir=`cd $top_srcdir; pwd`
19 STAT_CONFIG_PATH=$top_srcdir/config
20 export STAT_CONFIG_PATH
57 activity="create program"
59 data list list /ID * INDEP (a1) DEP1 * DEP2 *.
75 t-test /GROUPS=indep('a','b') /var=dep1 dep2.
77 if [ $? -ne 0 ] ; then no_result ; fi
80 activity="run program"
81 $SUPERVISOR $PSPP -o raw-ascii $TESTFILE
82 if [ $? -ne 0 ] ; then no_result ; fi
84 activity="compare output"
85 perl -pi -e 's/^\s*$//g' $TEMPDIR/pspp.list
86 diff -b $TEMPDIR/pspp.list - <<EOF
87 1.1 DATA LIST. Reading free-form data from INLINE.
96 2.1 T-TEST. Group Statistics
97 #==========#=#====#==============#========#
98 # INDEP|N|Mean|Std. Deviation|SE. Mean#
99 #==========#=#====#==============#========#
100 #DEP1 a |5|2.00| .707| .316#
101 # b |5|4.00| .707| .316#
102 #DEP2 a |5|4.00| .707| .316#
103 # b |5|2.00| .707| .316#
104 #==========#=#====#==============#========#
105 2.2 T-TEST. Independent Samples Test
106 #===============================#==========#===============================================================================#
107 # # Levene's | t-test for Equality of Means #
108 # #----+-----+------+-----+---------------+---------------+---------------------+------------#
109 # # | | | | | | | 95% #
110 # # | | | | | | +------+-----#
111 # # F | Sig.| t | df |Sig. (2-tailed)|Mean Difference|Std. Error Difference| Lower|Upper#
112 #===============================#====#=====#======#=====#===============#===============#=====================#======#=====#
113 #DEP1Equal variances assumed #.000|1.000|-4.472| 8| .002| -2.000| .447|-3.031|-.969#
114 # Equal variances not assumed# | |-4.472|8.000| .002| -2.000| .447|-3.031|-.969#
115 #DEP2Equal variances assumed #.000|1.000| 4.472| 8| .002| 2.000| .447| .969|3.031#
116 # Equal variances not assumed# | | 4.472|8.000| .002| 2.000| .447| .969|3.031#
117 #===============================#====#=====#======#=====#===============#===============#=====================#======#=====#
119 if [ $? -ne 0 ] ; then fail ; fi