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# U-shaped.R, 22 Aug 18 | |
# Data from: | |
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# Example from: | |
# Evidence-based Software Engineering: based on the publicly available data | |
# Derek M. Jones | |
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# TAG example | |
source("ESEUR_config.r") | |
x=1:200 | |
pal_col=rainbow(2) | |
plot(x, 30/x, type="l", col=pal_col[1], | |
xlab="LOC", ylab="Faults/LOC\n") | |
lines(x, 20/x+0.02*x, col=pal_col[2]) | |
# V. R. Basili and B. R. Perricone, | |
# ”Software errors and complexity“ | |
# CACM, vol. 27, pp. 42-52, Jan. 1984. | |
# Module Size (max),Module count,Cyclomatic complexity,Defect density (/KLOC) | |
# 50 258 6 16 | |
# 100 70 17.9 12.6 | |
# 150 26 28.1 12.4 | |
# 200 13 52.7 7.6 | |
# 225 3 60 6.4 | |
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# C. Withrow, | |
# ”Error density and size in Ada software” | |
# IEEE Software, pp. 26-30, Jan. 1990. | |
# Source lines,Modules,Defect Density | |
# 4-62 93 5.4 | |
# 64-97 39 4.9 | |
# 103-154 52 3.4 | |
# 161-250 53 1.8 | |
# 251-397 46 5.2 | |
# 402-625 31 5.6 | |
# 651-949 22 6.8 | |
# 1050-5 160 26 8.3 | |
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