3 # Tests calculation of moments.
5 TEMPDIR=/tmp/pspp-tst-$$
9 # ensure that top_srcdir is absolute
10 cd $top_srcdir; top_srcdir=`pwd`
12 STAT_CONFIG_PATH=$top_srcdir/config
13 export STAT_CONFIG_PATH
49 activity="create one-pass moments list"
50 sed -ne 's/#.*//;/^[ ]*$/!p' > $TEMPDIR/moments-list-1p <<'EOF'
51 # Both the one-pass and two-pass algorithms should be
52 # able to cope properly with these.
53 1 2 3 4 => W=4.000 M1=2.500 M2=1.667 M3=0.000 M4=-1.200
54 1*5 2*5 3*5 4*5 => W=20.000 M1=2.500 M2=1.316 M3=0.000 M4=-1.401
55 1*1 2*2 3*3 4*4 => W=10.000 M1=3.000 M2=1.111 M3=-0.712 M4=-0.450
56 1*0 => W=0.000 M1=sysmis M2=sysmis M3=sysmis M4=sysmis
57 1*1 => W=1.000 M1=1.000 M2=sysmis M3=sysmis M4=sysmis
58 1*2 => W=2.000 M1=1.000 M2=0.000 M3=sysmis M4=sysmis
59 1*3 => W=3.000 M1=1.000 M2=0.000 M3=sysmis M4=sysmis
60 1*2 3 => W=3.000 M1=1.667 M2=1.333 M3=1.732 M4=sysmis
61 1 1.00000001 => W=2.000 M1=1.000 M2=0.000 M3=sysmis M4=sysmis
62 1000001 1000002 1000003 1000004 => W=4.000 M1=1000002.500 M2=1.667 M3=0.000 M4=-1.200
64 if [ $? -ne 0 ] ; then no_result ; fi
66 cp $TEMPDIR/moments-list-1p $TEMPDIR/moments-list-2p
67 sed -ne 's/#.*//;/^[ ]*$/!p' >> $TEMPDIR/moments-list-2p <<'EOF'
68 # We used to have an example for which only the two-pass algorithm
69 # produced reasonable results, but the provisional means algorithm
70 # does better, so there aren't any extra tests here.
73 activity="create two-pass input file"
74 sed < $TEMPDIR/moments-list-2p >> $TEMPDIR/moments-2p.stat \
75 -e 's#^\(.*\) => \(.*\)$#DEBUG MOMENTS/\1.#'
76 if [ $? -ne 0 ] ; then no_result ; fi
78 activity="run two-pass program"
79 $SUPERVISOR $here/../src/pspp --testing-mode -o raw-ascii \
80 $TEMPDIR/moments-2p.stat >$TEMPDIR/moments-2p.err 2> $TEMPDIR/moments-2p.out
82 activity="compare two-pass output"
83 diff -B -b $TEMPDIR/moments-list-2p $TEMPDIR/moments-2p.out
84 if [ $? -ne 0 ] ; then fail ; fi
86 activity="create input file"
87 sed < $TEMPDIR/moments-list-1p >> $TEMPDIR/moments-1p.stat \
88 -e 's#^\(.*\) => \(.*\)$#DEBUG MOMENTS ONEPASS/\1.#'
89 if [ $? -ne 0 ] ; then no_result ; fi
91 activity="run one-pass program"
92 $SUPERVISOR $here/../src/pspp --testing-mode -o raw-ascii \
93 $TEMPDIR/moments-1p.stat >$TEMPDIR/moments-1p.err 2> $TEMPDIR/moments-1p.out
95 activity="compare one-pass output"
96 diff -B -b $TEMPDIR/moments-list-1p $TEMPDIR/moments-1p.out
97 if [ $? -ne 0 ] ; then fail ; fi