ISBN : 978-81-963532-2-3 (E-Book) Fig.35.1:Rayleigh curve Putnam’sWork Putnamstudiedtheproblemofstaffingofsoftwareprojectsandfoundthatthesoftwaredevelopment has characteristics very similar to other R & D projects studied by Norden and thatthe RayleighNorden curve can be used to relate the number of delivered lines of code to theeffortandthetimerequiredtodeveloptheproject.By analyzingalargenumberofarmyprojects,Putnam derivedthe followingexpression: L= C 1/3 K t k d 4/3 173 Software Engineering Keerthana P, Manasa KN, Ganga D Bengal
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