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. - 278 - Table of Fallout Ratios for a Generality Number of I7.5 R[OCRerr] 5 lo P o.5 17*723 35.445 x.o 8.8x7. x7.634 [OCRerr].o 4.364 8.728 3,o a,88o 5-759 4-o a*x37 4*075 5,o z*690 3,386 7[OCRerr]5 1"°98 =d97 xo.o 0,802 x,6o3 10,S o-6[OCRerr]3 x*247 xs,a 0,So5 z,oo9 ao.o 0,356 o-7z3 aS,o o*067 0*534 30,0 o,ao8 o,416 35,o o,x65 o*33t 4o,o o,134 o,=67 45-o 0.109 0,318 5o*0 0,089 o.x78 53,o o*o73 o,x46 60*0 0*059 0-119 65,o o,o48 0,096 7q*o o.o38 o*o76 75,o o,o3o 0,059 80*0 0*033 0*045 85.o o.oz6 o.o3x 90.0 O*OZO 0*030 95,0 o,o05 o,oo9 100.0 04000 0*000 15 53,168 06*45o 13,o93 8,639 6,4x3 5,o76 3-295 3,4o5 x ,870 1.514 I .o 69 0*803 o,633 o,496 o,4ol o,337 o,067 . 0,219 0.I76 0,144 O.IZ5 o,o89 o,o67 0,047 0*030 0.0I4 o .ooo 3o 35 3o 7Q,89I 88,6I3 35*267 44*084 53.9oz I7-455 az*819 26-t83 ;x*518 z4,398 z7,277. 8,55o zo*687 x3*824 6,768 8*46z xo.x53 4-394 5-49a 6-59o 3,306 4,oo8 4,8o9 :-494 3-*17 3-74o 3,o19 3,$33 3.028 z.425 z*78: [OCRerr],137 x*o69 z*336 1,6o3 o.831 t,o39 z.047 o.663 0.837 o.99[OCRerr] o.534 0,668 o,8o2 0-435 0,544 o-653 o,356 o-445 o-534 o,29! o,364 o.437 o,037 0*297 0.356 o,192 o.[OCRerr]4o 0,288 o,153 oo191 o,219 o*xz9 o*148 o*178 0.089 o.111 o,134 0-063 o*079 o*o94 0.040 0*049 0-059 o.oi9 o,o23 o,o28 o.ooo o.ooo o.ooo 35 "6z.718 3o-547 2o*I57 Z4*960 zx.845 7,689 5,611 4-364 3.535 2*494 X.870 t.455 x.zs8 0.935 0*962 o,6:3 o.[OCRerr]0 o,416 0,336 o,367 0.208 o.156 "O*IIO 0*069 o*o33 o.ooo 4° 70,534 34-9zz 33,036 17,o99 13*337 8-7~7 6,413 4-987 4-o3 7 : .85o 1*137 x,663 1*3a3 1*o69 o.871 o.712 o,583 o,475 o,384 o,3o5 o,337 o,z78 o.Z=6 0*079 0,037 o.ooo 45 79.35x 39-275 sS.9~6 19*a37 35.3~9 9.885 7.214 5.6zz 4.~4a 3,[OCRerr]o6 =.4o5 * ,87o I .489 Z .20[OCRerr] o,980 o.8o3 o.656 o-534 o,430 o,344 o.[OCRerr]67 0*300 0*141 0.089 0*042 o.ooo 88.168 43-639 38.796 2x,374 16,90! zo,984 8.ozS 6,334 ~,o47 3-56[OCRerr] a,672 3*o78 z-654 x,336 1,o88 o,891 0,729 0,594 0.480 o,383 0,297 0.333 o.157 0.099 o*o47 0.000 R" SS 60 P o*5 X.o 96,985 z,o 48,003 5a*366 3-o 31-675 34"555 4,o 33,511 a5*649 5,o x8,613 2o,3o5 7[OCRerr]5 11*083 13.181 *o.o 8.8x7 9-6x8 IS*[OCRerr] 6,8[OCRerr]8 7.481 15*o 5.$51 6-o56 [OCRerr]o,o 3*9z9 4*075 a5,o a,939 3*ao6 30.0 3.386 Z*494 35.o 1*819 x*985 4o,o 1-469 1,6o3 45,o 1*197 1*3o6 [OCRerr]0.0 0.980 1-069 55,o o,8oa 0,874 6o,o o,653 o,712 65.0 o-538 0-575 70.o o,40o o,458 75*0 o-337, o-356 8o,o o*[OCRerr]43 0*367 85*0 o.173 o'189 90.0 0-I09 0.119 95,o o.o52 0.056 100.0 0.000 0*000 65 70 75 80 85 9° 95 56,730 61,o94 65,4[OCRerr]8 69.823 74-186 78-55o 37-434 4°-314 43"193 46"073 48.953 51*830 07,786 09*934 33*o6x 34-z98 36"336 38.473 aX*997 03*69o 35,380 37-o74 38-766 30"458 :4*379 15-377 16*476 17*574 z8-673 x9*77z 10,420 11*[OCRerr]21 I2,023 12,824 13,626 14*4a7 8,xo4 8.728 9*35z 9.975 1°*598 ZX.a[OCRerr]z 6.561 7.065 7.570 8.075 8-579 9-o84 4*631 4-987 5-344 5.7oo 6-o56 6"412 3*473 3-74O 4*008 4"275 4*543 4"809 S*TQI a*9o9 3-117 3-335 3-533 3"74° 2.15o S,316 s,481 2,646 a.813 3-977 X*737 1*870 3,004 2,137 a*a7x a*405 1,4x5 1,524 1,633 1,742 1,85o x*959 z.158 x*347 1*336 z*435 x*514 z'6°3 o,947 1,o2o 1*o93 1.166 z*a39 1*312 0*77S 0,831 o*891 0*950 1-oo9 1"°69 0[OCRerr]603 o,671 o,719 0,767 o.815 o,863 o,496 0,534 0,573 o.611 o,649 0-687 o-386 o,416 o-445 o-475 o-5°5 o-534 o,389 o*313 o-334 0,356 o'378 °*4°z o,ao4 o,22o o,036 o.25x o*a67, o*083 o,109 o*139 o,148 o*158 o,x68 o.178 o,o6z o,o66 o,o7o o,o75 o.o8o 0,o84 0*000 0.000 0*000 0*000 0*000 0*000 83*913 54.7£3 4o.611 33.x5o 20.869 15.239 11.845 9-589 6.768 5-o76 3*948 3*143 a,538 a,o68 1,69[OCRerr] 1,384 1.138 0*911 o,725 0.564 o*4a3 o,299 o.x88 o.o89 o.ooo 87*a77 57,591 42,748 33-842 21,968 16.031 12,468 Io*o93 7,135 5,344 4-z$6 3,3o8 3,670 3.177 x.78x x.457 1.187 0-959 o,763 o,594 o-445 0.314 o.x98 0.o94 0.000