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. - 286 - Table of Fallout Ratios for a Generality Number of 45.0 R" 5 1o z5 3o P o.S 46.885 93.770 1,o 23.335 46.649 69-974 93.298 3.0 11,545 33°089 34.634 46o178 3,o 7,618 15,336 32.853 3o.471 4. o 5.654 it.3o9 16.963 22.618 5,o 4+476 8-953 13-429 17,9o6 7-5 2"906 5°813 8°7*7 it.623 1o.o 2.12o 4+2 4i 6.36[OCRerr] 8. 482 12+ 5 1"649 3"298 4°948 6. $97 15.0 1-335 2-670 4-005 5-34° [OCRerr]o.o 0.942 1.885 2.827 3-770 25.o 0.707 I. 4z 4 2.12o 3.817 3o.o o. 55° i.o99 1.649 2.i99 35. o o. 438 0.875 1.3*3 *.75o 4o.o o, 353 0.707 1.o6o i. 414 45.o 0.288 0.576 0.864 t.152 5o.o o.236 o° 47t 0+707 o.94[OCRerr] 55.0 o.t93 0,386 o.578 o.771 60.0 o+ 157 °"314 Oo 47t 0.628 65.o o. t27 o.[OCRerr]54 o°38t 0-507 7o.o o. to.. o.2o= 0.303 o. 4° 4 75.o 0.079 o. t 57 o.236 o. 3l* 4 8o.o 0.059 o.118 o.177 0.236 85,o o,042 o.o83 o.125 o.t66 9o,o 0.026 0.052 0+079 o-l.o5 95.0 o.o12 0.025 0.037 0.050 I. oo, o o, ooo o.ooo o.ooo o°ooo 25 57.723 38.089 28.272 2.2 °38= I 4+529 10.6o2 8.a 46 6.675 4+71a 3,534 2.749 2.188 1.767 I. 44° 1,178 o.964 0.785 0.634 o.5o5 0.393 0.295 0+208 O.13ii 00063 o.ooo 3° 69.267 45-707 33.927 26.859 17. 435 l.~-733 9.895 8.ol.o 5.654 4.2 4i 3.298 3.625 t.728 1.4t4 [OCRerr].* 157 o.94= o. 76[OCRerr] 0.606 oe 47ii 0.353 o. 49 o.157 0.074 0.000 35 8Oo813 53,325 39.581 3l'-335 ao.34o t 4.843 11.545 9.346 6e597 4.948 3.848 3,o63 2. 474 2.ol.6 1.649 1,3 t9 i .o99 0.888 o. 707 0*550 Oe 412 0.291 o.183 0.087 o.ooo 4o 9=.356 6o.942 45.336 35.81= 23,246 16o963 13.194 lo.681 7,539 5.654 4.398 3.500 2°827 2.3o4 1.885 1.54J 1.257 [OCRerr]..ol.5 0.808 0.628 o. 47t 0.333 0°209 0*099 0°000 45 68.560 50.890 4o.=88 26.l.53 19.o84 * 4.8 43 12.016 8, 482 6.361 4.948 3.938 3,18s. 3.592 2.i20 t-735 1.414 0*909 0.707 0.530 0.374 0.236 0[OCRerr]113 5° 76.l.78 56.545 44-764 39.058 31.204 * 6. 492 13-351 9.4[OCRerr]4 7.068 5. 497 4-375 3-534 2°880 2.356 i.938 1.571 t.[OCRerr]69 I*010 0.785 o*589 o, 416 0.262 0.l.34 OeO00 R'+ 55 60 65 7o 75 80 85 9° 95 l.oo P 0,,,5 leo 31o 3,o 83.796 91e414 99.o3z 4, o 62.199 67.853 73.5°8 79*162 84"817 9°" 47l' 96" l'26 5.0 49-S 4i 53®7*7 58*1[OCRerr]4 62"670 67et 47 71"623 76"099 80"576 85"053 89"539 7*5 31*963 34"869 37.775 4oo681 43"586 46"492 49"398 52°3°4 55"209 58"1i5 *o.o 23.325 35.445 27-565 S9o686 31,806 33.937 36.047 38.z68 4°.288 4s'4°8 12.5 18.,41 19.791 21.44° [OCRerr]3.o89 2 4.738 26.387 28.037 29.686 31.335 $2-984 I.[OCRerr].0 14.686 16.os* t7.356 t8.691 20.o26 21.361 23.696 34.031 35*366 2 6"7°2 aoeo *o* 366 1t*3o9 t3.351 X3*i94 14-t36 t5"°79 16.o21 t6.963 i7.906 i8*8 48 =5-o 7-775 8°483 9-188 9.895 *o.6o2 11.3o9 13.o16 La.733 t3.4[OCRerr]9 i4-i36 30.0 6*o47 6.597 7-147 7.696 8.246 8.796 9.346 9*895 to-445 1o-995 SS.0 4.813 5+251 5.688 6.126 6.563 7.00i 7.438 7.876 8.313 8.755 4o-0 3.887 4*24i 4.594 4"948 5.3ol' $.654 6.oo8 6.361 6.715 7-068 45-o 3-168 3*455 3-743 4"°3i 4-319 4.607 4"895 [OCRerr]"l.83 5" 47l' 5-759 50. o 2.593 [OCRerr].827 3.063 3*398 3.534 3°770 4-005 4.2 4i 4- 476 4.7t2 55. o =.tao =.313 s-5o6 3.699 2.891 3.084 3-277 3. 47° 3.663 3+855 60.0 t.728 i.885 2.o4a 3.199 2*356 3"5t3 2"670 s'827 2"984 3"1 41 65-0 l'. 39[OCRerr] 1-523 *-649 1.776 1.9o3 2.030 2.157 2.384 2. 410 2-537 70. o [OCRerr]..111 1.212 1.3[OCRerr]3 1.414 1.515 1.61.6 1.717 1.818 i.918 2.019 75.o 01864 0.943 1.o21 1oO99 1.i78 1.257 1.335 1. 414 l.. 492 1.57l' 80.0 0.648 0.707 0.766 0.825 0.884 °"942 1.ool. l..o6o l..119 i.i78 85.o o+ 457 o. 499 °-54° o.582 o.6[OCRerr] 4 0"665 0.707 o.748 0.79° 0"832 9o.o 0.2.88 o.314 0.340 0"366 0.393 o. 41.9 o. 445 o. 471 o, 497 o-52 4 95.0 o°136 o.i49 o.161 o-174 Oo186 O. t98 " o.2 t I. o+s=3 0-336 °+348 100.0 0.000 0.000 0.000 0.000 0+000 0.000 0.000 0.000 0.000 0.000