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. - 279 - ['able of Fallout Ratios for a Generality Number of 20.0 :-,. 5 zo z 5 "[OCRerr]0 a5 P o.S 20.306 4o.61 a* 6Oo918 81.234 z.o zo.xoa ,,o.2o4 30.306 40.408 $o.$zo 2.0 5 -000 ][0 *000 ][ 5.000 20 *000 [OCRerr] 5.000 3,0 3-[OCRerr]99 6-599 9-898 Z3*;97 , z6*497 4-0 [OCRerr]'* 449 4"898 7*347 9-796 12-[OCRerr]45 5*o X*939 3*878 5*8z6 7.755 9-694 7',5 1"259 2.517. 3.776 5*034 6*293 Zo,o o*918 z*837 . 2,755 3-673 4,59a 12,5 o,7.I4 z*409 2*x43 a,857 . 3 * 57]r, 15*o 0*578 1,I56 z-735 a.313 3,892 so.o 0.408 o,816 z,2:t4 1,633 2,o41 35-o o ,306 o 61 a o *918 I ,aa 4 z 53 x 3o,o 0.238 0,476 0.724 o,950 z,xgo 35,o o,19o 0,379 0*569 0,758 0*948 40,0 o,z53 0,306 0.459 0,6ta o,765 45,o o,za[OCRerr] 0,249 o,374 0,499 0,624 50,0 o.zo2 o,[OCRerr]o4 0.306 0,408 o,$zo $5,o 0,083 o,167 . o,aso 0,334 0*4|7 6o,o 0,068 o.236 0,204 0,072 o,34o 65.o 0.055 o.zzo o.z65 o.',2o o.275 7o,o 0-044 0,087 . o.z3z o,275 o.,[OCRerr]29 75"o o,o34 o,o68 o. 1o3 o,I 36 o, I7Q 8o.o 0,026 o,o52 0.077 o.1o3 o.128 85.o o.oz8 0,036 o,o54 0,o70 o*o9o 90,0 o.o'z o*o03 0,034 o*o45 0*057 95.o 0.oo5 o .oz l o .o I6 o .o$ Z 0 *o07 [OCRerr]00.0 0.000 0 *000 0.000 0.000 0 *000 30 35 40 45 5o 6o,612 70.714 8o,826 9o,918 3o*ooo 35-ooo 4o.ooo 45.000 19*796 33*095 06*395 39*694 14*694 I7,143 I9-592 20*o4z zz*633 13*571 15*5x0 z7.449 7,55z 8.81o zo.o68 zz.3a7 5*52o 6,439 7,347 8*065 4.386 5.ooo 5-714 6,409 3*469 4*048 4,626 5,2o4 2,449 a*857. 3-265 3.673 z,837. 2*143 3-449 3-755 1-439 1*667. 1,9o5 2,143 1,I37. 1*337. Z*526 1*706 °"918 Z*°TZ Z'034 ;,378 o-748 o-873 0*998 1,130 o,612 o.7I4 0,826 o.918 o,5o1 o,584 o,668 o,752 0,408 0,476 o,544 o,612 0.330 o.385 o-44o o,495 o.260 o,3o6 0,350 0.394 o,ao4 o.338 o,073 0,306 o,z53 o,I79 o,2o4 o,23o o.zo8 o,za6 o,I44 o,162 o,o68 0,079 o,o9i o,1o3 0,033 0,038 0,043 0,048 0*000 0*000 0.000 0.000 50.000 32-993 24.49o z9.388 13.585 9.284 7.143 5,780 4.082 3,o6I a,38I z.895 z*531 I *a47 I *020 0.835 0.680 0,549 0,437 o,34o o,255 0.I80 O*II3 0-054 OJO00 i i!, [OCRerr]" 55 60 65 P 0*5 l,o 55,000 6o.ooo 65,000 3,o 36-393 39,593 43,892 4. o 26.939 09.388 31-837 $,o az,3a7. 33,065 as,aa4 7[OCRerr]5 I3-844 zS,zoa 16,362 ZO.O I0,102 Z1*030 1[,939 aa-5 7,857. 8.57: 9.286 15*o 6*361 6,939 7,517 [OCRerr]o.o 4,49° 4,898 5.306 aS*o 3.367. 3.673 3.980 3o.o 3-6z9 2,857. 3,o95 35,o a*oSs 3-374 a*464 40.0 z*684 1.837 1.99o 45,o I*370 1,497. z,6az 5o.o z,z2= z,224 z.3[OCRerr]7 55,0 0.918 X*OOa 1,085 6o.o o.748 o.816 0.884 65,o 0,604 o,659 o*7x4 7o-o o*48z o*505 o,569 75-o 0-374 0*408 o*440 80.0 o.28x 0.306 o.332 85.o o.z98 o,2;6 o,034 90.0 0,z35 0,136 o.247 95.0 o*o59 0*064 0,070 IO0*O 0.000 0*000 0*000 70 75 80 85 9° 95 70.ooo 75.000 80.000 85.000 90.000 95.ooo 46*19o 49.49° 53-789 56-088 59-388 62.687 34*086 36-735 39.z84 4x*633 44*082 46.53z 37*z43 09.o82 3x.o3o 33-959 34,898 36,837 I7.619 18.878 2o.136 3z.395 23.653 23*9z2 x3,857. 13,776 14-694 xS-6xa z6*53z z7.449 1o.00o 10,7I4 Iz,429 z3.x43 10,857" i3,57I 8-o95 8.673 9-052 9-83o z0*4o8 Io.986 5.7Z4 6,130 6,53x 6"939 7,347. 7,755 4.286 4-592 4*898 5.2o[OCRerr] 5*5zo 5*816 3"333 3-571 3.81o 4-o48 4*286 4*524 [OCRerr],653 3.843 3.o33 3.222 3*41z 3.6oz 2,I43 2*296 3,449 3,603 [OCRerr]-755 3.9°8 Z*746 1,87[OCRerr] 1*995 2,100 3*045 2.370 1"429 z*53z 1*633 1,735 1*837. 1-939 Z,z69 z.[OCRerr]52 z.336 x*4z9 z*$o3 z.586 o*950 Z.o2o 1,o88 I,I56 z,334 1,393 o-769 o.824 o.879 o.934 0.989 z.o44 o.612 o.656 0.700 o,743 0,787. o,831 0,476 o,51o o-544 o,578 o.622 0,646 0.357. o.383 o.4o8 0,434 0*459 0*485 o,250 o,27o o.288 o,3o6 0.324 o,34= o,159 0.170 0.181 0.193 0.204 0.215 o*o75 O.08Z 0.086 o,o9| o,o97, o,zo2 0*000 0.000 0.000 OeO00 0*000 0.000 ZO0*OO0 65,986 48,98o 38,776 aS*z 7o t8.367 14*[OCRerr]86 1z.565 8.z63 6.I[OCRerr]2 4*760 3,79° 3.06X 2,494 2.04I Z*670 1,36Z 1-099 o,875 o,68o 0,510 0.360 o*[OCRerr]7 o.107 0.000