CRANV2 Aslib Cranfield Research Project: Factors Determining the Performance of Indexing Systems: Volume 2 Appendix 3A appendix Cyril Cleverdon Michael Keen Cranfield An investigation supported by a grant to Aslib by the National Science Foundation. Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. - 276 - Table of Fallout Ratios for a Generality Number of 12.5 R[OCRerr] 5 [OCRerr]o '-5 2o 23 30 35 4° 45 50 P 0"2 *2"595 25-[OCRerr]9° 37-783 5o,35o [OCRerr]:,97S 75-57Q 88,I65 t,o 6o_[OCRerr] 66 t2o532 iS" 797 25"063 3'-,329 37"595 43-861 50,I37 56,392 6a,658 [OCRerr],o 3, toi 6,=o3 9,304 :2.405 [OCRerr]5.5o6 18,609 31,729 34,8to a7,9rz 3i,ot3 3,o 2,o;6 4,093 6, t39 8.186 [OCRerr]o,232 Zs,378 I4,335 x6,37r 18,418 ao,464 4-° 1,5t9 3-o38 4-557 [OCRerr]-o76 7,595 9"114 I°-633 Ia-rss 13-67t t5,;90 5°o I'203 2"405 3"6°$ 4"[OCRerr]:° 6°0`-3 7"=t5 8"4[OCRerr]8 9-620 IO,823 1[OCRerr],O3[OCRerr]¢ 7- 5 O, 7[OCRerr]I [OCRerr]., 561 a, 342 3, '.22 3,903 4,684 5,464 6,245 7,Oa5 7,806 [OCRerr]o,o 0,570 1,139 [OCRerr],7o9 2,278 2,848 3o418 3"987 4"557 5-t27 5,696 12,5 o. ,43 0,886 *.329 ±.772 2.2tS S-658 3-fOX 3"544 3"987 4,430 15, o o,359 o,717 1.O76 I, 433 `-, 793 =-ISS S-SiX S-869 3,3[OCRerr]8 3.586 20, o O, = 53 o, 5o% O, 75 [OCRerr] :.c 13 :.2 66 I,SZ 9 Z,772 3-oa5 a,278 a,532 [OCRerr]5,o o,19o 0,380 o,57[OCRerr] c,759 o,949 x-g39 I,aa9 I,SI9 1,709 I,[OCRerr]99 30,0 o. t48 o,295 0,443 0,501 o,73[OCRerr] 0,886 I-o34 I,zSt x,329 1,477 35,0 o, t*8 o,235 0,353 .[OCRerr]. ¢70 o,5[OCRerr]8 0,705 o,823 0,940 1,o58 t,t75 40,0 o,o9[OCRerr] o.19o o.[OCRerr]85 o.35o o, 475 o-57Q 0-665 o,759 Oe854 0,949 45" o o, 077 o, t 55 o,232 o, 309 O, 387 O, 464 o ®54z O 619 O ,696 O "774 50-0 0-063 o-127 o-29o o-253 o-3`- 6 0-380 0-443 O,[OCRerr]O6 0,570 O,633 [OCRerr]5,O O,O[OCRerr] O,tO4 o,155 0,207 O,[OCRerr]9 O,3II O,36[OCRerr] O,4I4 0,466 O,5t8 60,0 0,042 0,084 o,t[OCRerr]7 o,169 o,21t o,a53 o,295 0,338 o,38o o,4[OCRerr]2 65.o 0,034 0.068 o, to: o.[OCRerr]35 o.17o o.=o4 o,[OCRerr]39 0,[OCRerr]73 0,307 . 0,34! 7o, o o,o27 o.o54 o.o8[OCRerr] o.`-o$ °-t36 °-I63 o,t9o o-317 0-344 o,[OCRerr]7z 75,O 0,02 I O,O 42 O.O63 O, oS 4 o, [OCRerr]o5 O, I[OCRerr]7 o [OCRerr] 48 o , 169 o,z[OCRerr]o 0,2 I! 9o, o 0,0*6 o,o32 0-047 0,063 o,o79 0,095 o,*II o,t[OCRerr]7 o,[OCRerr]42 O,X58 95,O O,Ot* 0°022 0,034 o.o4[OCRerr] 0,056 0-067 0-078 0,089 [OCRerr],IoI o,tl* 9o,o 0,007 OoOI 4 0,02 i o,o[OCRerr]8 0,035 O,o42 0,049 o ,O56 O,O63 0,070 95,0 O,OO3 0,007 o,oIo O,o13 OoO17 O,O=O O,OS3 0,0=7 o,o[OCRerr]o 0,033 lOOeO o,ooo o,ooo o,ooo o,ooo o,ooo o,ooo o,ooo o,ooo o,ooo o,ooo R" 55 6o 65 7o 75 P 0-5 t,o 68,934 75,29o 81,456 87,722 93,987 =.o 34. I14 37.[OCRerr]x5 4o.316 43.4t8 46.529 3.0 aa-5*x 24.557 =6.6o3 s8*65o 30.696 4.o z6.7o9 t8.3=8 *9-747 3*.266 23.78[OCRerr] 5.0 z3.as8 z4.43o 15-633 `-6,835 18.o38 7[OCRerr]5 8-586 9-367 xo-z48 *o-9;8 *[OCRerr]-7o9 Io.o 6.[OCRerr]66 6.835 7,4o5 7,975 8,544 t[OCRerr]'5 4"873 5"316 [OCRerr]o7[OCRerr]9 6"ao3 6,646 I5-0 3-945 4-304 4.66= 5-os! 5-380 ao.o =-785 3"°38 3*29x 3"544 3-797 25-o a-089 a.278 a.468 3.658 a.848 3o.o z.624 z.772 z,9ao 3.068 3.az5 35-o x-393 *.4to *.538 1.646 t.763 4°.0 I.o44 1.I39 x.[OCRerr]34 1.329 1,434 45-0 0,851 O,938 1,OO6 1,083 I,I60 5o,o O,696 0,759 O,833 0,886 O,949 $5-0 0°570 0.62X 0.673 o.725 0.777 60.0 o.464 0.506 0,549 0.592 0-633 65-0 0-375 0-409 0.443 0.477 o.$zz 7[OCRerr]-o o-298 0.[OCRerr]5 0.353 0.380 0.407 75-o o*33a o-a53 o-374 o-295 o.[OCRerr]16 80.0 o. I74 o.19o o.3o6 o.aaa 0.337 85-0 o-x33 0-*34 o-z45 o.*56 o.x68 90.0 0.077 0.084 o.o[OCRerr]x 0.098 o.to5 95-0 0.037 o.o4o 0.043 0.047 0.050 gOO.O O.OOO O.OOO O.OOO O,OOO O*OOO 8O 49-6so 3~,743 34.304 I9,34I Z=-489 9,114 72o89 5-738 4,o51 3-038 a-363 z.881 1.519 1-[OCRerr]38 I,OI3 o.8[OCRerr]9 0.675 0-545 o,434 0.338 o.253 o-I79 O.II3 0.053 0.000 85 53-723 34-789 25-823 ao-443 t3.a7o 9.684 7~533 6.o97 4.304 3.[OCRerr]28 a.512 [OCRerr].998 Z.614 t-3[OCRerr]5 1.o76 0.880 0o7[OCRerr]7 0.579 o.46I 0-359 o,g69 o,19o 0*I30 0.057 0.000 9° 55.833 36-835 27~342 ai.646 I4.o5I to.as3 7~975 6.456 4-557 3-4x8 a,658 a.xI6 1,7[OCRerr]9 1-393 t,I[OCRerr]9 o-932 0-759 o.6*3 0.488 0.380 o,a85 o[OCRerr]aol O.IaT. 0,060 0.000 95 58-9~4 38,882 28,86x aa,848 * 4,83t to.Bs3 8,4*8 6,8z4 4.8[OCRerr]o 3.608 3.806 a -[OCRerr]33 X,8O4 1-470 IeaO3 0.984 o.8oa o,648 o.5z5 0.401 0.301 O*[OCRerr]Z& 0-t34 o.o63 0.000 6a,oa5 4o-9~8 30.380 24,o51 15,61* II-39~ 8,862 7"X73 5 "°63 3-797 [OCRerr]'954 a.352 1.899 *-547 z.266 1.o36 0,844 o.68[OCRerr] o.54[OCRerr] O*4[OCRerr]a O,316 O,3[OCRerr]3 O*I4I O.O67 0*000