" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Attributes 2 and 8 deleted. As used by Kilpatrick, D. & Cameron-Jones, M. (1998). Numeric prediction using instance-based learning with encoding length selection. In Progress in Connectionist-Based Information Systems. Singapore: Springer-Verlag. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 1. Title: Relative CPU Performance Data 2. Source Information -- Creators: Phillip Ein-Dor and Jacob Feldmesser -- Ein-Dor: Faculty of Management; Tel Aviv University; Ramat-Aviv; Tel Aviv, 69978; Israel -- Donor: David W. Aha (aha@ics.uci.edu) (714) 856-8779 -- Date: October, 1987 3. Past Usage: 1. Ein-Dor and Feldmesser (CACM 4/87, pp 308-317) -- Results: -- linear regression prediction of relative cpu performance -- Recorded 34% average deviation from actual values 2. Kibler,D. & Aha,D. (1988). Instance-Based Prediction of Real-Valued Attributes. In Proceedings of the CSCSI (Canadian AI) Conference. -- Results: -- instance-based prediction of relative cpu performance -- similar results; no transformations required - Predicted attribute: cpu relative performance (numeric) 4. Relevant Information: -- The estimated relative performance values were estimated by the authors using a linear regression method. See their article (pp 308-313) for more details on how the relative performance values were set. 5. Number of Instances: 209 6. Number of Attributes: 10 (6 predictive attributes, 2 non-predictive, 1 goal field, and the linear regression's guess) 7. Attribute Information: 1. vendor name: 30 (adviser, amdahl,apollo, basf, bti, burroughs, c.r.d, cambex, cdc, dec, dg, formation, four-phase, gould, honeywell, hp, ibm, ipl, magnuson, microdata, nas, ncr, nixdorf, perkin-elmer, prime, siemens, sperry, sratus, wang) 2. Model Name: many unique symbols 3. MYCT: machine cycle time in nanoseconds (integer) 4. MMIN: minimum main memory in kilobytes (integer) 5. MMAX: maximum main memory in kilobytes (integer) 6. CACH: cache memory in kilobytes (integer) 7. CHMIN: minimum channels in units (integer) 8. CHMAX: maximum channels in units (integer) 9. PRP: published relative performance (integer) 10. ERP: estimated relative performance from the original article (integer) 8. Missing Attribute Values: None 9. Class Distribution: the class value (PRP) is continuously valued. PRP Value Range: Number of Instances in Range: 0-20 31 21-100 121 101-200 27 201-300 13 301-400 7 401-500 4 501-600 2 above 600 4 Summary Statistics: Min Max Mean SD PRP Correlation MCYT: 17 1500 203.8 260.3 -0.3071 MMIN: 64 32000 2868.0 3878.7 0.7949 MMAX: 64 64000 11796.1 11726.6 0.8630 CACH: 0 256 25.2 40.6 0.6626 CHMIN: 0 52 4.7 6.8 0.6089 CHMAX: 0 176 18.2 26.0 0.6052 PRP: 6 1150 105.6 160.8 1.0000 ERP: 15 1238 99.3 154.8 0.9665 " "0" "'cpu'" 125 29 29 29 29 26 23 23 23 23 400 400 60 50 350 200 167 143 143 110 143 143 143 110 320 320 320 320 320 320 25 25 50 50 56 64 50 50 50 50 50 50 50 50 133 133 810 810 320 200 700 700 140 200 110 110 220 800 800 800 800 800 125 75 75 75 90 105 105 105 75 75 175 300 300 300 300 300 300 180 330 300 300 330 330 140 140 140 140 140 140 140 140 57 57 26 26 26 26 480 203 115 1100 1100 600 400 400 900 900 900 900 900 225 225 180 185 180 225 25 25 17 17 1500 1500 800 50 50 50 50 50 50 100 100 100 50 50 50 150 115 115 92 92 92 75 60 60 60 50 72 72 40 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34 34 34 34 19 75 113 157 18 20 28 33 47 54 20 23 25 52 27 50 18 53 23 30 73 20 25 28 29 32 175 57 181 181 32 82 171 361 350 220 113 15 21 35 18 20 20 28 45 18 17 26 28 28 31 31 42 76 76 26 59 65 101 116 18 20 20 30 44 44 82 82 128 37 46 46 80 88 88 33 46 29 53 53 41 86 95 107 117 119 120 48 126 266 270 426 151 267 603 19 21 26 35 41 47 62 78 80 80 142 281 190 21 25 67 24 24 64 25 20 29 43 53 19 22 31 41 47 99 67 81 149 183 275 382 56 182 227 341 360 919 978 24 24 24 24 37 50 41 47 25 "adviser" "amdahl" "amdahl" "amdahl" "amdahl" "amdahl" "amdahl" "amdahl" "amdahl" "amdahl" "apollo" "apollo" "basf" "basf" "bti" "bti" "burroughs" "burroughs" "burroughs" "burroughs" "burroughs" "burroughs" "burroughs" "burroughs" "c.r.d" "c.r.d" "c.r.d" "c.r.d" "c.r.d" "c.r.d" "cdc" "cdc" "cdc" "cdc" "cdc" "cdc" "cdc" "cdc" "cdc" "cambex" "cambex" "cambex" "cambex" "cambex" "dec" "dec" "dec" "dec" "dec" "dec" "dg" "dg" "dg" "dg" "dg" "dg" "dg" "formation" "formation" "formation" "formation" "formation" 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"siemens" "siemens" "siemens" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sperry" "sratus" "wang" "wang" "vendor" "MYCT" "MMIN" "MMAX" "CACH" "CHMIN" "CHMAX" "class" "vendor" "int0" "nominal:adviser,amdahl,apollo,basf,bti,burroughs,c.r.d,cdc,cambex,dec,dg,formation,four-phase,gould,hp,harris,honeywell,ibm,ipl,magnuson,microdata,nas,ncr,nixdorf,perkin-elmer,prime,siemens,sperry,sratus,wang" "numeric" "numeric" "numeric" "numeric" "numeric" "numeric" "numeric"