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Function Point analysis ISO/IEC 20968. Ronan Fitzpatrick. Albrect - ( 1979) Function Point analysis. Function Points = UFPs x (0.65 + 0.01 x  (DI 1 to DI 14 )). Assuming D i = 3 for all 14 characteristics  (DI 1 to DI 14 ) = 14 x 3 = 42 FP = 523 x [0.65 + 0.01 x 42]

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Function point analysis iso iec 20968

Function Point analysisISO/IEC 20968

Ronan Fitzpatrick


Albrect 1979 function point analysis
Albrect - (1979)Function Point analysis

Function Points = UFPs x (0.65 + 0.01 x (DI1 to DI14))


Albrect 1979 function point analysis1

Assuming Di = 3 for all 14 characteristics

(DI1 to DI14) = 14 x 3 = 42

FP = 523 x [0.65 + 0.01 x 42]

= 523 x [0.65 + 0.42]

= 560

Albrect - (1979)Function Point analysis

DI Values

Not present or No influence = 0

Insignificant influence = 1

Moderate influence = 2

Average influence = 3

Significant influence = 4

Strong influence throughout = 5


Albrect 1979 function point analysis2
Albrect - (1979)Function Point analysis

  • Having calculated the Function points

    • Use number of lines of code (LOC) per function point in order to calculate total lines of Code in a project.

    • LOC varies per programming language.


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