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