%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% This is a PROMISE Software Engineering Repository data set made publicly
% available in order to encourage repeatable, verifiable, refutable, and/or
% improvable predictive models of software engineering.
%
% If you publish material based on PROMISE data sets then, please
% follow the acknowledgment guidelines posted on the PROMISE repository
% web page http://promise.site.uottawa.ca/SERepository .
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% 1. Title/Topic: ALBRECHT
%
%
% 2. Sources:
%		-- Creators: Dr. Albrecht A.J., Dr. Gaffney J. 
%		-- Reference: A. J. Albrecht, J. Gaffney, 1983 Software function, 
%			source lines of code, and development effort prediction. 
%			IEEE Transactions on Software Engineering, 9, 639¨C648.
%		-- Donor: Yanfu Li (liyanfu@nus.edu.sg)
%		-- Date:  October 14, 2009

% 3. Past usage:
%
%		[1] A. J. Albrecht, J. Gaffney, 1983 Software function, 
%		source lines of code, and development effort prediction. 
%		IEEE Transactions on Software Engineering, 9, 639¨C648.
%
%		[2] M. Shepperd, C. Schofield. 1997 Estimating software 
%		project effort using analogies. 
%		IEEE Transactions on Software Engineering, 23, 736-743.
%
%		[3] Y.F. Li, M. Xie. T.N. Goh. 2009. A Study of Project Selection 
%		and Feature Weighting for Analogy Based Software Cost Estimation. 
%		Journal of Systems and Software. 82(2), 241-252.
%
%		[4] Y.F. Li, M. Xie, T.N. Goh. 2009. A Study on the Non-linear 
%		Adjustment for Analogy Based Software Cost Estimation. 
%		Empirical Software Engineering. 14(6), 603-643.
%

%
%
% 4. Number of records: 24

% 5. Number of attributes: 7
%	    6 condition attributes
%	    1 decision attribute

% 6. Attribute Information:
%	1. Inputcount: count of inputs
%	2. Outputcount: count of outputs
%	3. Querycount: count of queries
%	4. Filecount: count of files
%	5. Functionpoints: number of function points
%	6. SLOC (Lines of source code): lines of source code
%	7. Effort: development effort measured in 1,000 hours
%
%
% 7. Missing attributes: none

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@relation ALBRECHT

@attribute	Inputcount	numerical
@attribute	Outputcount	numerical
@attribute	Querycount	numerical
@attribute	Functionpoints	numerical
@attribute	Filecount	numerical
@attribute	Functionpoints	numerical
@attribute	SLOC 	 	numerical
@attribute	Effort		numerical


@data
25	28	22	4	15	500	3.6
70	27	12	0	20	428	11.1
69	112	39	21	110	1572	61.2
61	68	11	0	24	694	11.8
28	38	9	24	96	512	15.8
28	41	11	16	24	417	7.5
41	27	5	29	57	512	10.8
13	19	23	0	28	283	10
48	66	50	13	94	1235	38.1
42	57	5	12	40	606	18.3
34	14	5	0	35	205	8
25	150	60	75	130	1750	102.4
7	12	8	13	40	209	4.1
15	15	3	6	3	199	0.5
193	98	36	70	318	1902	105.2
40	60	12	20	54	759	21.1
33	17	5	8	22	224	2.9
45	64	16	14	48	680	12.9
27	20	6	24	52	400	8.9
17	17	5	15	30	289	4.9
40	60	15	20	93	794	19
10	69	9	1	62	431	28.8
12	15	15	0	29	260	6.1
43	40	35	20	42	682	12