tests/command/trimmed-mean.sh

   1 #!/bin/sh
   2
   3 # This program tests  the Trimmed Mean calculation, in the case
   4 # where the data is weighted towards the centre
   5
   6 TEMPDIR=/tmp/pspp-tst-$$
   7 TESTFILE=$TEMPDIR/`basename $0`.sps
   8
   9 here=`pwd`;
  10
  11 # ensure that top_srcdir is absolute
  12 cd $top_srcdir; top_srcdir=`pwd`
  13
  14 STAT_CONFIG_PATH=$top_srcdir/config
  15 export STAT_CONFIG_PATH
  16
  17
  18 cleanup()
  19 {
  20      cd /
  21      rm -rf $TEMPDIR
  22 }
  23
  24
  25 fail()
  26 {
  27     echo $activity
  28     echo FAILED
  29     cleanup;
  30     exit 1;
  31 }
  32
  33
  34 no_result()
  35 {
  36     echo $activity
  37     echo NO RESULT;
  38     cleanup;
  39     exit 2;
  40 }
  41
  42 pass()
  43 {
  44     cleanup;
  45     exit 0;
  46 }
  47
  48 mkdir -p $TEMPDIR
  49
  50 cd $TEMPDIR
  51
  52
  53 activity="create program"
  54 cat > $TESTFILE <<EOF
  55 DATA LIST LIST /X * C *.
  56 BEGIN DATA.
  57 1 1
  58 2 49
  59 3 2
  60 END DATA.
  61
  62 WEIGHT BY c.
  63
  64 EXAMINE
  65         x
  66         /STATISTICS=DESCRIPTIVES
  67         .
  68 EOF
  69 if [ $? -ne 0 ] ; then no_result ; fi
  70
  71
  72 activity="run program"
  73 $SUPERVISOR $here/../src/pspp -o raw-ascii $TESTFILE
  74 if [ $? -ne 0 ] ; then no_result ; fi
  75
  76
  77 activity="compare results"
  78 perl -pi -e 's/^\s*$//g' $TEMPDIR/pspp.list
  79 diff -b  $TEMPDIR/pspp.list - << EOF
  80 1.1 DATA LIST.  Reading free-form data from the command file.
  81 +--------+------+
  82 |Variable|Format|
  83 #========#======#
  84 |X       |F8.0  |
  85 |C       |F8.0  |
  86 +--------+------+
  87 2.1 EXAMINE.  Case Processing Summary
  88 #=#===============================#
  89 # #             Cases             #
  90 # #----------+---------+----------#
  91 # #   Valid  | Missing |   Total  #
  92 # #--+-------+-+-------+--+-------#
  93 # # N|Percent|N|Percent| N|Percent#
  94 #=#==#=======#=#=======#==#=======#
  95 #X#52|   100%|0|     0%|52|   100%#
  96 #=#==#=======#=#=======#==#=======#
  97 2.2 EXAMINE.  Descriptives
  98 #============================================#=========#==========#
  99 #                                            #Statistic|Std. Error#
 100 #============================================#=========#==========#
 101 #XMean                                       #   2.02  |   .034   #
 102 # 95% Confidence Interval for MeanLower Bound#  2.021  |          #
 103 #                                 Upper Bound#  2.017  |          #
 104 # 5% Trimmed Mean                            #   2.00  |          #
 105 # Median                                     #   2.00  |          #
 106 # Variance                                   #   .058  |          #
 107 # Std. Deviation                             #   .242  |          #
 108 # Minimum                                    #  1.000  |          #
 109 # Maximum                                    #  3.000  |          #
 110 # Range                                      #  2.000  |          #
 111 # Interquartile Range                        #   .00   |          #
 112 # Skewness                                   #  1.194  |   .330   #
 113 # Kurtosis                                   #  15.732 |   .650   #
 114 #============================================#=========#==========#
 115 EOF
 116 if [ $? -ne 0 ] ; then fail ; fi
 117
 118 pass