-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy patheds.r
177 lines (130 loc) · 4.44 KB
/
eds.r
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
library(ggplot)
library(ggplot2)
library(pastecs)
library(fBasics)
install.packages("VGAM")
library(VGAM)
projectstat <- read.csv("~//Desktop//Technicaldebt//eds-projectstat.csv")
project = projectstat$project
loc = projectstat$loc
initialloc = projectstat$initialcommitdate
recentcommit = projectstat$recentdate
activedevs = projectstat$activedevs
totaldevs= projectstat$totaldevs
yearcount = projectstat$yearcount
age = projectstat$age
bugcount = projectstat$bugcount
vulnerabilities = projectstat$vulnerabilities
bd = projectstat$bd
vulns = projectstat$vulns
cocomo = projectstat$cocomo
colnames(projectstat)[1] <- "project"
colnames(projectstat)[2] <- "loc"
colnames(projectstat)[3] <- "initialcommit"
colnames(projectstat)[4] <- "recentcommit"
colnames(projectstat)[5] <- "activedevs"
colnames(projectstat)[6] <- "totaldevs"
colnames(projectstat)[7] <- "yearcount"
colnames(projectstat)[8] <- "age"
colnames(projectstat)[9] <- "bugcount"
colnames(projectstat)[10] <- "vulnerabilities"
colnames(projectstat)[11] <- "bd"
colnames(projectstat)[12] <- "vulns"
colnames(projectstat)[13] <- "cocomo"
cor(projectstat$bugcount,projectstat$vulnerabilities)
cor(projectstat$bugcount, projectstat$vulns)
cor(projectstat$bd, projectstat$vulns)
cor(projectstat$cocomo, projectstat$vulns)
#As cocomo increases, vulnerabilities increases (.632)
cor(projectstat$cocomo, projectstat$vulnerabilities)
cor(projectstat$loc, projectstat$vulns)
#.6327
cor(projectstat$loc, projectstat$vulnerabilities)
cor(projectstat$age, projectstat$vulnerabilities)
cor(projectstat$yearcount, projectstat$vulnerabilities)
cor(projectstat$activedevs, projectstat$vulnerabilities)
cor(projectstat$totaldevs, projectstat$vulnerabilities)
cor(projectstat$activedevs, projectstat$vulns)
cor(projectstat$totaldevs, projectstat$vulns)
cor(projectstat$vulnerabilities, projectstat$bd)
cor(projectstat$totaldevs,projectstat$bugcount)
cor(projectstat$loc,projectstat$bugcount)
totaleffort <- (projectstat$cocomo/projectstat$totaldevs)
cor(projectstat$cocomo, projectstat$bugcount)
cor(projectstat$yearcount, projectstat$bugcount)
totaleffort <-(projectstat$totaldevs*projectstat$yearcount)
cor(projectstat$totaleffort, projectstat$vulnerabilities)
hist(bugcount)
plot(projectstat$vulnerabilities)
plot(projectstat$cocomo)
shapiro.test(projectstat$bd)
qqnorm(vulnerabilities, main = 'Normal Probability Plot of Vulnerabilities')
qqnorm(cocomo, main = 'Normal Probability Plot of Cocomo')
effort <-((projectstat$cocomo/projectstat$totaldevs))
plot(cocomo,vulnerabilities)
abline(lm(vulnerabilities ~ effort), col="red")
lm.out=lm(vulnerabilities~cocomo)
summary(lm.out)
lm.out=lm(vulnerabilities~cocomo+bugcount)
summary(lm.out)
lm.out=lm(vulns~cocomo)
summary(lm.out)
#!!!! r-squared .5331
lm.out=lm(vulnerabilities~loc+totaldevs)
summary(lm.out)
#r-squared .543
lm.out=lm(vulnerabilities~loc+activedevs)
summary(lm.out)
#!!! r-squared .5512
totaleffort <-(projectstat$totaldevs*projectstat$yearcount)
lm.out=lm(vulnerabilities~loc+totaleffort)
summary(lm.out)
options(scipen=999)
#!! r-squared .2965
totaleffort <-(projectstat$totaldevs*projectstat$yearcount)
adjloc <- (projectstat$loc/100000)
lm.out=lm(vulnerabilities~adjloc+totaleffort)
summary(lm.out)
totaleffort <-(projectstat$totaldevs*projectstat$yearcount)
adjloc <- (projectstat$loc/100000)
lm.out=lm(vulns~adjloc+totaleffort)
summary(lm.out)
summary(m<-vglm(vulnerabilities~adjloc+totaleffort, tobit(Lower = 0), data = projectstat ))
sd(projectstat$loc)
mean(projectstat$loc)
totaleffort <-(projectstat$totaldevs*projectstat$yearcount)
sd(projectstat$totaldevs)
mean(projectstat$totaldevs)
sd(projectstat$yearcount)
mean(projectstat$yearcount)
sd(projectstat$vulnerabilities)
mean(projectstat$vulnerabilities)
hist(vulnerabilities)
plot(loc~vulnerabilities)
plot(adjloc~vulnerabilities)
plot(loc~age)
#not significant
totaleffort <-(projectstat$totaldevs*projectstat$yearcount)
lm.out=lm(vulns~totaleffort)
summary(lm.out)
lm.out=lm(vulns~totaleffort)
summary(lm.out)
log.vulnerabilities <-log(vulnerabilities)
hist(log.vulnerabilities)
log.cocomo <-log(cocomo)
hist(log.cocomo)
root.vuln <- (vulnerabilities)^.5
root.cocomo <- (cocomo)^.5
hist(root.vuln)
qqnorm(root.vuln)
qqnorm(root.cocomo)
qplot(trans.fitted, trans.resid) + geom_hline(yintercept = 0)
qplot(trans.fitted, cocomo) + geom_hline(yintercept = 0)
#t test *, positive
lm.out1=lm(vulns~cocomo)
summary(lm.out1)
#t test *, positive
lm.out3=lm(vulns~loc)
summary(lm.out3)
lm.out-(vulns~cocomo+bd+age)
summary(lm.out)