# for more info on command-line weka stuff, see
# http://www.cs.waikato.ac.nz/~remco/weka_bn/node13.html

Here=`pwd`

#### generic stuff
reload() {
		. $Learn
}
show() {
	local goal1="^$1"
	local com="/^$1/,/^}/{print}"
	if   (set | grep $goal1 | grep "=" > /tmp/debug)
   	then set  | grep $goal1
   	else set  | gawk $com
   	fi
}

blab()   { printf "$*"    >&2; }
blabln() { printf "$*\n" >&2; }

#### initialization stuff
setup() {
	setUpVars
	setUpDirs
}
setUpVars() {
	Dirs="../../raw"
	Arffs="$Dirs/*.arff"
	Tmp=`mktemp -d -p /tmp/$USER`
	Safe=$HOME/tmp/safe
	Weka="nice -19 java -Xmx1024M -cp ./weka.jar"
	Bins=10
	Repeats=2;
	Learners="nb nbk"
	Data=$Tmp/shared/*.arff
}
setUpDirs() {
	[ -d $Tmp ] && rm -rf $Tmp
	mkdir -p $Safe
	mkdir -p $Tmp
	mkdir -p $Tmp/etc
	mkdir -p $Tmp/arff
	mkdir -p $Tmp/shared
	mkdir -p $Tmp/work
	cp weka.jar $Tmp/work
}

#### stuff for the turkey experiment
setUpSeds() {
cat<<-EOF > $Tmp/etc/seds
	s/loccodeandcomment/loc_code_and_comment/
	s/locodeandcomment/loc_code_and_comment/
	s/locandcomment/loc_code_and_comment/
	s/essential_complexity/ev(g)/
	s/cyclomatic_complexity/v(g)/
	s/halstead_length/n/
	s/halstead_level/l/
	s/num_operators/n1/
	s/num_operands/n2/
	s/unique_operands/uniq_opnd/
	s/unique_operators/uniq_op/
	s/halstead_content/i/
	s/halstead_error_est/b/
	s/halstead_prog_time/t/
	s/halstead_effort/e/
	s/halstead_difficulty/d/
	s/halstead_volume/v/
	s/loc_comments/loc_comment/
	s/design_complexity/iv(g)/
	s/locomment/loc_comment/
	s/loc_total/loc/
	s/locode/loc/
	s/[\t ]c[\t ]/ defects /
	s/[\t ]problems[\t ]/ defects /
	s/branchcout/branch_count/
	s/total_op[\t ]/n1 /
	s/total_opnd/n2/
	s/{no,yes}/{false,true}/
EOF
}

prep() {
	for i in $Arffs; do
	cat $i | 
	tr A-Z a-z |
	sed -f $Tmp/etc/seds \
  	> $Tmp/arff/`basename $i`
done
}

shared() {
	for i in `gawk -f $Here/intersectAttributes.awk $Tmp/arff/*.arff | 
		      sort | 
			  grep -v defects`; do 
		echo $i
	done
	echo defects
}

makeshare() {
	Shared=`shared`
	for i in $Tmp/arff/*.arff; do
		echo $i
		gawk -f $Here/some.awk -v Some="$Shared" $i > $Tmp/shared/`basename $i`
	done
}
# is this still being used?
report() {
	gawk  'BEGIN {RS=""; FS="\n"} 
           NR==1 { M=split(Show,Shows,",") }
		         {  R[++N]=indent($0)
                 } 
           END   {print " "; 
		          for(r=1;r<=M;r++) printf("\n%s",R[Shows[r]]);
	              print ""; }
	
		   function str(n,chr, out) {
		   	    chr = chr ? chr : " ";
		   		while(n-- > 0) out= out chr;
				return out
	   		}
           function indent(str, i, out) {
           		for(i=1;i<=NF;i++)
           			out=out str(Indent," ")  $i "\n"
           		return out
           }
           ' Show=$2 Indent=$1 -
} 

#### end inter intra stuff 

#### misc utils

makeTrainTest() {
	blab "?"
	gawk -f $Here/someArff Seed=$1 Bins=$2 Bin=$3 $4
}
gotwant()    { gawk -f $Here/gotwant $1; }
abcd()       { gawk -f $Here/abcd Prefix="$1" - ; }
medians()    { gawk -f $Here/median.awk  $1 ; }
logNumbers() { blab "l";  gawk -f $Here/asLogs $1 ; }

winLossTie() {
	grep -v "#" $1 >  log.some
	gawk -f $Here/wmwRun log.some | 
	sort -t, -n +3 | 
	align -s/, | 
	tee $Safe/stats  
}

#### Weka stuff
## pruning columns
removeAttributes() {
	blab "/"
	$Weka weka.filters.unsupervised.attribute.Remove \
		-R "${1}-${2}" -i $3 -o tmp.arff
		set +x
	cat tmp.arff					  
}
## discretization
discretizeViaFayyadIrani() {
	blab "x"
    $Weka weka.filters.supervised.attribute.Discretize \
		-c last -R first-last  -i $1 -o tmp.arff
     cat tmp.arff
}
## feature subset selection
rankViaInfoGain() {
	blab "<"
	$Weka  weka.filters.supervised.attribute.AttributeSelection \
     	-S  "weka.attributeSelection.Ranker -T -2.7976931348623157E308 -N -1"  \
     	-E  "weka.attributeSelection.InfoGainAttributeEval"                    \
     	-i  $1 -o tmp.arff
	cat tmp.arff
}
### learners
## classifiers
# rule-based classifiers
oner() {
  blab "1"
  $Weka weka.classifiers.rules.OneR \
  	-B 6 \
	-p 0 -t $1 -T $2
}
jrip() {
   blab "j"
   $Weka weka.classifiers.rules.JRip \
   		-F 3 -N 2.0 -O 2 -S 1 \
	    -p 0 -t $1 -T $2
}
jrip10() {
   blab "j"
   $Weka weka.classifiers.rules.JRip \
   		-F 3 -N 2.0 -O 2 -S 1 \
	    -t $1 
}
# bayesian classifiers
aode() {
	blab "a"
    $Weka weka.classifiers.bayes.AODE \
		"-F" 0 \
	  	-p 0 -t  $1 -T $2  
}
aode10() {
	blab "a"
    $Weka weka.classifiers.bayes.AODE \
		"-F" 0  \
		-t  $1 -T $2   
}
nb() {
	blab "n"
	$Weka weka.classifiers.bayes.NaiveBayes \
		-p 0 -t  $1 -T $2  
}
nb10() {
	blab "n"
	$Weka weka.classifiers.bayes.NaiveBayes \
		-i -t  $1   
}
nbk() {
	blab "k"
	$Weka weka.classifiers.bayes.NaiveBayes \
		-K \
		-p 0 -t  $1 -T $2  
}
# decision tree learners
j48() {
  	blab "c"
	$Weka weka.classifiers.trees.J48 \
		-C 0.25 -M 2 \
		-p 0 -t $1 -T $2
}
j4810() {
  	blab "c"
	$Weka weka.classifiers.trees.J48 \
		-C 0.25 -M 2 \
		-i -t $1 
}
j4810c() {
  	blab "c$2"
	$Weka weka.classifiers.trees.J48 \
		-C $2 -M 2 \
		-i -t $1 
}
## linear-model learners
lsr() {
	blab "L"
	$Weka weka.classifiers.functions.LinearRegression \
	     -S 0 -R 1.0E-8  \
	     -p 0 -t $1 -T $2
}
m5p() {
	blab "P"
	$Weka weka.classifiers.trees.M5P \
	     -p 0 -t $1 -T $2
}
## nearest neighbor
1Bkx() {
	blab "N"
	$Weka weka.classifiers.lazy.IBk \
     	-K 1 -W 0 -X -E \
	    -p 0 -t $1 -T $2
}
1Bk() {
   	blab "n"
	$Weka weka.classifiers.lazy.IBk \
		-K -1 -W 0 -E \
	    -p 0 -t $1 -T $2
}		
## association rule learners
apriori() {
	blab "A"
	$Weke weka.associations.Apriori \
		-N 10 -T 0 -C 0.9 -D 0.05 -U 1.0 -M 0.1 -S -1.0 \
	    -p 0 -t $1 -T $2
}
#### teaching demos
weather.nominal() {
	cat<<-EOF
	@relation weather.nominal
	
	@attribute outlook {sunny, overcast, rainy}
	@attribute temperature {hot, mild, cool}
	@attribute humidity {high, normal}
	@attribute windy {TRUE, FALSE}
	@attribute play {yes, no}
	
	@data
	sunny,hot,high,FALSE,no
	sunny,hot,high,TRUE,no
	overcast,hot,high,FALSE,yes
	rainy,mild,high,FALSE,yes
	rainy,cool,normal,FALSE,yes
	rainy,cool,normal,TRUE,no
	overcast,cool,normal,TRUE,yes
	sunny,mild,high,FALSE,no
	sunny,cool,normal,FALSE,yes
	rainy,mild,normal,FALSE,yes
	sunny,mild,normal,TRUE,yes
	overcast,mild,high,TRUE,yes
	overcast,hot,normal,FALSE,yes
	rainy,mild,high,TRUE,no
EOF
}
auto93() { cat<<-EOF
	@relation 'auto93.names'
	@attribute Manufacturer { Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Eagle, Ford, Geo, Honda, Hyundai, Infiniti, Lexus, Lincoln, Mazda, Mercedes-Benz, Mercury, Mitsubishi, Nissan, Oldsmobile, Plymouth, Pontiac, Saab, Saturn, Subaru, Suzuki, Toyota, Volkswagen, Volvo}
	@attribute Type { Small, Midsize, Compact, Large, Sporty, Van}
	@attribute City_MPG real
	@attribute Highway_MPG real
	@attribute Air_Bags_standard { 0, 2, 1}
	@attribute Drive_train_type { 1, 0, 2}
	@attribute Number_of_cylinders real
	@attribute Engine_size real
	@attribute Horsepower real
	@attribute RPM real
	@attribute Engine_revolutions_per_mile real
	@attribute Manual_transmission_available { 1, 0}
	@attribute Fuel_tank_capacity real
	@attribute Passenger_capacity real
	@attribute Length real
	@attribute Wheelbase real
	@attribute Width real
	@attribute U-turn_space real
	@attribute Rear_seat_room real
	@attribute Luggage_capacity real
	@attribute Weight real
	@attribute Domestic { 0, 1}
	@attribute class real
	@data
	Acura,Small,25,31,0,1,4,1.8,140,6300,2890,1,13.2,5,177,102,68,37,26.5,11,2705,0,15.9
	Acura,Midsize,18,25,2,1,6,3.2,200,5500,2335,1,18,5,195,115,71,38,30,15,3560,0,33.9
	Audi,Compact,20,26,1,1,6,2.8,172,5500,2280,1,16.9,5,180,102,67,37,28,14,3375,0,29.1
	Audi,Midsize,19,26,2,1,6,2.8,172,5500,2535,1,21.1,6,193,106,70,37,31,17,3405,0,37.7
	BMW,Midsize,22,30,1,0,4,3.5,208,5700,2545,1,21.1,4,186,109,69,39,27,13,3640,0,30
	Buick,Midsize,22,31,1,1,4,2.2,110,5200,2565,0,16.4,6,189,105,69,41,28,16,2880,1,15.7
	Buick,Large,19,28,1,1,6,3.8,170,4800,1570,0,18,6,200,111,74,42,30.5,17,3470,1,20.8
	Buick,Large,16,25,1,0,6,5.7,180,4000,1320,0,23,6,216,116,78,45,30.5,21,4105,1,23.7
	Buick,Midsize,19,27,1,1,6,3.8,170,4800,1690,0,18.8,5,198,108,73,41,26.5,14,3495,1,26.3
	Cadillac,Large,16,25,1,1,8,4.9,200,4100,1510,0,18,6,206,114,73,43,35,18,3620,1,34.7
	Cadillac,Midsize,16,25,2,1,8,4.6,295,6000,1985,0,20,5,204,111,74,44,31,14,3935,1,40.1
	Chevrolet,Compact,25,36,0,1,4,2.2,110,5200,2380,1,15.2,5,182,101,66,38,25,13,2490,1,13.4
	Chevrolet,Compact,25,34,1,1,4,2.2,110,5200,2665,1,15.6,5,184,103,68,39,26,14,2785,1,11.4
	Chevrolet,Sporty,19,28,2,0,6,3.4,160,4600,1805,1,15.5,4,193,101,74,43,25,13,3240,1,15.1
	Chevrolet,Midsize,21,29,0,1,4,2.2,110,5200,2595,0,16.5,6,198,108,71,40,28.5,16,3195,1,15.9
	Chevrolet,Van,18,23,0,1,6,3.8,170,4800,1690,0,20,7,178,110,74,44,30.5,?,3715,1,16.3
	Chevrolet,Van,15,20,0,2,6,4.3,165,4000,1790,0,27,8,194,111,78,42,33.5,?,4025,1,16.6
	Chevrolet,Large,17,26,1,0,8,5,170,4200,1350,0,23,6,214,116,77,42,29.5,20,3910,1,18.8
	Chevrolet,Sporty,17,25,1,0,8,5.7,300,5000,1450,1,20,2,179,96,74,43,?,?,3380,1,38
	Chrysler,Large,20,28,2,1,6,3.3,153,5300,1990,0,18,6,203,113,74,40,31,15,3515,1,18.4
	Chrysler,Compact,23,28,2,1,4,3,141,5000,2090,0,16,6,183,104,68,41,30.5,14,3085,1,15.8
	Chrysler,Large,20,26,1,1,6,3.3,147,4800,1785,0,16,6,203,110,69,44,36,17,3570,1,29.5
	Dodge,Small,29,33,0,1,4,1.5,92,6000,3285,1,13.2,5,174,98,66,32,26.5,11,2270,1,9.2
	Dodge,Small,23,29,1,1,4,2.2,93,4800,2595,1,14,5,172,97,67,38,26.5,13,2670,1,11.3
	Dodge,Compact,22,27,1,1,4,2.5,100,4800,2535,1,16,6,181,104,68,39,30.5,14,2970,1,13.3
	Dodge,Van,17,21,1,2,6,3,142,5000,1970,0,20,7,175,112,72,42,26.5,?,3705,1,19
	Dodge,Midsize,21,27,1,1,4,2.5,100,4800,2465,0,16,6,192,105,69,42,30.5,16,3080,1,15.6
	Dodge,Sporty,18,24,1,2,6,3,300,6000,2120,1,19.8,4,180,97,72,40,20,11,3805,1,25.8
	Eagle,Small,29,33,0,1,4,1.5,92,6000,2505,1,13.2,5,174,98,66,36,26.5,11,2295,1,12.2
	Eagle,Large,20,28,2,1,6,3.5,214,5800,1980,0,18,6,202,113,74,40,30,15,3490,1,19.3
	Ford,Small,31,33,0,1,4,1.3,63,5000,3150,1,10,4,141,90,63,33,26,12,1845,1,7.4
	Ford,Small,23,30,0,1,4,1.8,127,6500,2410,1,13.2,5,171,98,67,36,28,12,2530,1,10.1
	Ford,Compact,22,27,0,1,4,2.3,96,4200,2805,1,15.9,5,177,100,68,39,27.5,13,2690,1,11.3
	Ford,Sporty,22,29,1,0,4,2.3,105,4600,2285,1,15.4,4,180,101,68,40,24,12,2850,1,15.9
	Ford,Sporty,24,30,1,1,4,2,115,5500,2340,1,15.5,4,179,103,70,38,23,18,2710,1,14
	Ford,Van,15,20,1,2,6,3,145,4800,2080,1,21,7,176,119,72,45,30,?,3735,1,19.9
	Ford,Midsize,21,30,1,1,6,3,140,4800,1885,0,16,5,192,106,71,40,27.5,18,3325,1,20.2
	Ford,Large,18,26,1,0,8,4.6,190,4200,1415,0,20,6,212,114,78,43,30,21,3950,1,20.9
	Geo,Small,46,50,0,1,3,1,55,5700,3755,1,10.6,4,151,93,63,34,27.5,10,1695,0,8.4
	Geo,Sporty,30,36,1,1,4,1.6,90,5400,3250,1,12.4,4,164,97,67,37,24.5,11,2475,0,12.5
	Honda,Sporty,24,31,2,1,4,2.3,160,5800,2855,1,15.9,4,175,100,70,39,23.5,8,2865,0,19.8
	Honda,Small,42,46,1,1,4,1.5,102,5900,2650,1,11.9,4,173,103,67,36,28,12,2350,0,12.1
	Honda,Compact,24,31,2,1,4,2.2,140,5600,2610,1,17,4,185,107,67,41,28,14,3040,0,17.5
	Hyundai,Small,29,33,0,1,4,1.5,81,5500,2710,1,11.9,5,168,94,63,35,26,11,2345,0,8
	Hyundai,Small,22,29,0,1,4,1.8,124,6000,2745,1,13.7,5,172,98,66,36,28,12,2620,0,10
	Hyundai,Sporty,26,34,0,1,4,1.5,92,5550,2540,1,11.9,4,166,94,64,34,23.5,9,2285,0,10
	Hyundai,Midsize,20,27,0,1,4,2,128,6000,2335,1,17.2,5,184,104,69,41,31,14,2885,0,13.9
	Infiniti,Midsize,17,22,1,0,8,4.5,278,6000,1955,0,22.5,5,200,113,72,42,29,15,4000,0,47.9
	Lexus,Midsize,18,24,1,1,6,3,185,5200,2325,1,18.5,5,188,103,70,40,27.5,14,3510,0,28
	Lexus,Midsize,18,23,2,0,6,3,225,6000,2510,1,20.6,4,191,106,71,39,25,9,3515,0,35.2
	Lincoln,Midsize,17,26,2,1,6,3.8,160,4400,1835,0,18.4,6,205,109,73,42,30,19,3695,1,34.3
	Lincoln,Large,18,26,2,0,8,4.6,210,4600,1840,0,20,6,219,117,77,45,31.5,22,4055,1,36.1
	Mazda,Small,29,37,0,1,4,1.6,82,5000,2370,1,13.2,4,164,97,66,34,27,16,2325,0,8.3
	Mazda,Small,28,36,0,1,4,1.8,103,5500,2220,1,14.5,5,172,98,66,36,26.5,13,2440,0,11.6
	Mazda,Compact,26,34,1,1,4,2.5,164,5600,2505,1,15.5,5,184,103,69,40,29.5,14,2970,0,16.5
	Mazda,Van,18,24,0,2,6,3,155,5000,2240,0,19.6,7,190,110,72,39,27.5,?,3735,0,19.1
	Mazda,Sporty,17,25,1,0,?,1.3,255,6500,2325,1,20,2,169,96,69,37,?,?,2895,0,32.5
	Mercedes-Benz,Compact,20,29,1,0,4,2.3,130,5100,2425,1,14.5,5,175,105,67,34,26,12,2920,0,31.9
	Mercedes-Benz,Midsize,19,25,2,0,6,3.2,217,5500,2220,0,18.5,5,187,110,69,37,27,15,3525,0,61.9
	Mercury,Sporty,23,26,1,1,4,1.6,100,5750,2475,1,11.1,4,166,95,65,36,19,6,2450,1,14.1
	Mercury,Midsize,19,26,0,0,6,3.8,140,3800,1730,0,18,5,199,113,73,38,28,15,3610,1,14.9
	Mitsubishi,Small,29,33,0,1,4,1.5,92,6000,2505,1,13.2,5,172,98,67,36,26,11,2295,0,10.3
	Mitsubishi,Midsize,18,24,1,1,6,3,202,6000,2210,0,19,5,190,107,70,43,27.5,14,3730,0,26.1
	Nissan,Small,29,33,1,1,4,1.6,110,6000,2435,1,13.2,5,170,96,66,33,26,12,2545,0,11.8
	Nissan,Compact,24,30,1,1,4,2.4,150,5600,2130,1,15.9,5,181,103,67,40,28.5,14,3050,0,15.7
	Nissan,Van,17,23,0,1,6,3,151,4800,2065,0,20,7,190,112,74,41,27,?,4100,0,19.1
	Nissan,Midsize,21,26,1,1,6,3,160,5200,2045,0,18.5,5,188,104,69,41,28.5,14,3200,0,21.5
	Oldsmobile,Compact,24,31,0,1,4,2.3,155,6000,2380,0,15.2,5,188,103,67,39,28,14,2910,1,13.5
	Oldsmobile,Midsize,23,31,1,1,4,2.2,110,5200,2565,0,16.5,5,190,105,70,42,28,16,2890,1,16.3
	Oldsmobile,Van,18,23,0,1,6,3.8,170,4800,1690,0,20,7,194,110,74,44,30.5,?,3715,1,19.5
	Oldsmobile,Large,19,28,1,1,6,3.8,170,4800,1570,0,18,6,201,111,74,42,31.5,17,3470,1,20.7
	Plymouth,Sporty,23,30,0,2,4,1.8,92,5000,2360,1,15.9,4,173,97,67,39,24.5,8,2640,1,14.4
	Pontiac,Small,31,41,0,1,4,1.6,74,5600,3130,1,13.2,4,177,99,66,35,25.5,17,2350,1,9
	Pontiac,Compact,23,31,0,1,4,2,110,5200,2665,1,15.2,5,181,101,66,39,25,13,2575,1,11.1
	Pontiac,Sporty,19,28,2,0,6,3.4,160,4600,1805,1,15.5,4,196,101,75,43,25,13,3240,1,17.7
	Pontiac,Midsize,19,27,0,1,6,3.4,200,5000,1890,1,16.5,5,195,108,72,41,28.5,16,3450,1,18.5
	Pontiac,Large,19,28,2,1,6,3.8,170,4800,1565,0,18,6,177,111,74,43,30.5,18,3495,1,24.4
	Saab,Compact,20,26,1,1,4,2.1,140,6000,2910,1,18,5,184,99,67,37,26.5,14,2775,0,28.7
	Saturn,Small,28,38,1,1,4,1.9,85,5000,2145,1,12.8,5,176,102,68,40,26.5,12,2495,1,11.1
	Subaru,Small,33,37,0,2,3,1.2,73,5600,2875,1,9.2,4,146,90,60,32,23.5,10,2045,0,8.4
	Subaru,Small,25,30,0,2,4,1.8,90,5200,3375,1,15.9,5,175,97,65,35,27.5,15,2490,0,10.9
	Subaru,Compact,23,30,1,2,4,2.2,130,5600,2330,1,15.9,5,179,102,67,37,27,14,3085,0,19.5
	Suzuki,Small,39,43,0,1,3,1.3,70,6000,3360,1,10.6,4,161,93,63,34,27.5,10,1965,0,8.6
	Toyota,Small,32,37,1,1,4,1.5,82,5200,3505,1,11.9,5,162,94,65,36,24,11,2055,0,9.8
	Toyota,Sporty,25,32,1,1,4,2.2,135,5400,2405,1,15.9,4,174,99,69,39,23,13,2950,0,18.4
	Toyota,Midsize,22,29,1,1,4,2.2,130,5400,2340,1,18.5,5,188,103,70,38,28.5,15,3030,0,18.2
	Toyota,Van,18,22,1,2,4,2.4,138,5000,2515,1,19.8,7,187,113,71,41,35,?,3785,0,22.7
	Volkswagen,Small,25,33,0,1,4,1.8,81,5500,2550,1,12.4,4,163,93,63,34,26,10,2240,0,9.1
	Volkswagen,Van,17,21,0,1,5,2.5,109,4500,2915,1,21.1,7,187,115,72,38,34,?,3960,0,19.7
	Volkswagen,Compact,21,30,0,1,4,2,134,5800,2685,1,18.5,5,180,103,67,35,31.5,14,2985,0,20
	Volkswagen,Sporty,18,25,0,1,6,2.8,178,5800,2385,1,18.5,4,159,97,66,36,26,15,2810,0,23.3
	Volvo,Compact,21,28,1,0,4,2.3,114,5400,2215,1,15.8,5,190,104,67,37,29.5,14,2985,0,22.7
	Volvo,Midsize,20,28,2,1,5,2.4,168,6200,2310,1,19.3,5,184,105,69,38,30,15,3245,0,26.7
EOF
}
#### some workers
worker1001() {
	for one in $Data; do
		cp $one raw.arff
		stem=`basename $one`
		stem=${stem/.*/}

		logNumbers               raw.arff            > logged.arff
		discretizeViaFayyadIrani raw.arff            > discrete.arff
		discretizeViaFayyadIrani logged.arff         > loggedDiscrete.arff

		for x in raw discrete logged loggedDiscrete; do
			rankViaInfoGain $x.arff > ranked.arff
			for Attrs in 4 7 13  16; do
				removeAttributes $Attrs 16 $x.arff > ranked${Attrs}.arff
				blab "$stem $x $Attrs "
				echo "#file,x,attrs,bin,learner,a,b,c,d,acc,pd,pf,prec,g"
				for((R=1;R<=$Repeats;R++)); do
					Seed=$RANDOM
					for((Bin=1; Bin <= $Bins ;  Bin++)); do
						blab "$Bin"
						makeTrainTest $Seed $Bins $Bin ranked${Attrs}.arff 
						for Learner in $Learners; do
							$Learner train.arff test.arff | 
							gotwant | 
							abcd "$stem,$x,$Attrs,$Bin,$Learner"  
						done   
					done
				done	| medians
				blabln
			done
		done  
	done 
}
worker1002() {
	for one in $Data; do
		cp $one raw.arff
		stem=`basename $one`
		stem=${stem/.*/}

		logNumbers               raw.arff            > logged.arff
		discretizeViaFayyadIrani raw.arff            > discrete.arff
		discretizeViaFayyadIrani logged.arff         > loggedDiscrete.arff

		for x in discrete loggedDiscrete; do
			rankViaInfoGain $x.arff > ranked.arff
			for Attrs in 4 7 13  16; do
				removeAttributes $Attrs 16 $x.arff > ranked${Attrs}.arff
				blab "$stem $x $Attrs "
				Seed=$RANDOM
				echo "#file,x,attrs,bin,learner,a,b,c,d,acc,pd,pf,prec,g"
				for((R=1;R<=$Repeats;R++)); do
					for((Bin=1; Bin <= $Bins ;  Bin++)); do
						blab "."
						makeTrainTest $Seed $Bins $Bin ranked${Attrs}.arff 
						for Learner in $Learners; do
							$Learner train.arff test.arff | 
							gotwant | 
							abcd "$stem,$x,$Attrs,$Bin,$Learner"  
						done   
					done
				done	| medians
				blabln
			done
		done  
	done 
}
#### some demos
demo3() {
	setup; cd $Tmp/work
	weather.nominal > data.arff
	j4810 data.arff  
	cd $Here
}
demo4() {
	setup; cd $Tmp/work
	weather.nominal > data.arff
	j4810 data.arff  | report 4 3
	cd $Here
}
demo5() {
	setup; cd $Tmp/work
	weather.nominal > data.arff
	j4810 data.arff  | report 4 3,18,16
	cd $Here
}
demo6() {
	setup; cd $Tmp/work
	weather.nominal > data.arff
	nb10 data.arff  
	cd $Here
}
demo7() {
	setup; cd $Tmp/work
	weather.nominal > data.arff
	nb10 data.arff | report 4 2,3,4,5
	cd $Here
}
demo8() {
	setup; cd $Tmp/work
	weather.nominal > data.arff
	nb10 data.arff | report 4 18,16
	cd $Here
}
demo9() {
	#some learners can't handle auto93's numeric class 
	#so we discretize the class
	auto93 | gawk  'BEGIN         {OFS=","; Round=20}
	                In && NF > 1  {$NF= "_"int($NF/Round+0.5)*Round}
				    $2 =="class"  {$3 = "{_0,_20,_40,_60}"}
					/@data/       {In=1; FS=","}
	                              { print}'  
}
demo10() {
	demo9 | gawk -F, '/@/   {next} 
	                  NF>1  {print $NF}' | sort | uniq -c
}
demo11() {
	setup; cd $Tmp/work
   	demo9 > data.arff

	c=0.1
	printf "confidence limit for pruning = $c (very selective)\n\n"
	j4810c data.arff $c  | report 0 3,18,16

	c=0.25
	printf "confidence limit for pruning = $c (default, less selective)\n\n"
	j4810c data.arff $c  | report 0 3,18,16
	cd $Here
}
demo1001() {
	setUpVars
	setUpDirs
	setUpSeds
	prep
	cd $Tmp/work
	pwd
	makeshare
	worker1001 > log
	cp log $Safe/demo1.log
	winLossTie log | tee $Safe/demo1.winLossTie
}
demo1002() {
	setUpVars
	setUpDirs
	setUpSeds
	prep
	cd $Tmp/work
	pwd
	makeshare
	Learners="j48 jrip oner nb aode"
	worker1002 > log
	cp log $Safe/demo1.log
	winLossTie log | tee $Safe/demo1.winLossTie
}
#### start up
blabln "LEARN version v0.1 (c)2007 tim@menzies.us under GPLv2.1"
blabln "Too many doings, not enough learnings.\n"
PS1="LEARN!:\e[7m\w\e[27m \!$ "