CRANV2 Aslib Cranfield Research Project: Factors Determining the Performance of Indexing Systems: Volume 2 Methods for presentation of results chapter 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. - 40 - Coordination Level 1 2 3 4 5 Recall Fallout Ratio l%atlo X Y X kT 95. 0% 69. 3% 59. 196% 9. 598% 77. 1% 55. 0% 23. 841% 2. 828% 57. 1% 40. 0% 6, 551% 0. 790% 40. 7% 26.4% Z. 543% 0. 108% 27. 9% 23.6% 0. 337% 0. 061% 1oo ,9o 60 "/= K E C 5o A L L 40 0"1 FIGURE 3, 5TP TABLE AND PLOT OF FALLOUT RATIOS DERIVED FROM FIGURES 3.3T and 3. 4T FOR SEARCH X (CON[OCRerr]I'INUOUS LINE} [OCRerr]ND SEARCH Y (BI[OCRerr]OKEN LINE)