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