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experiment.r
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install.packages("tidyverse")
install.packages("reshape2")
library("effsize")
library("reshape2")
releases <- read.csv("releases.csv")
# Understand releases
releases %>% ggplot(aes(x=commits)) +
geom_histogram(binwidth = 1) +
xlim(1,400) +
theme_bw(base_size = 18)
releases %>% select(commits) %>% sum()
releases %>% select(merges) %>% sum()
# Precision
releases_precision_bproj <- releases %>%
group_by(project) %>%
summarize(time=mean(time_precision), range=mean(range_precision))
releases_precision_bproj %>%
ggplot(aes(x=time, y=range)) +
geom_point(alpha=0.5, stroke = 0, size=4, shape=16, show.legend = FALSE) +
geom_abline(color="red") +
xlim(0,1) +
xlab("time precision") +
ylim(0,1) +
ylab("range precision") +
theme_bw(base_size = 18) + ggsave("../paper/figs/release_precision_project_time_vs_range.png", width = 4, height = 4)
release_precision <- releases %>%
select(project, release=name, commits, time=time_precision, range=range_precision)
release_precision$type <- factor(with(release_precision, time > range))
release_precision
boolColors <- as.character(c("TRUE"="#000000", "FALSE"="#ff0000"))
boolScale <- scale_colour_manual(name="myboolean", values=boolColors)
release_precision %>%
ggplot(aes(x=time, y=range)) +
geom_point(aes(color=type),
alpha=0.5, stroke = 0, size=4, shape=16, show.legend = FALSE) +
geom_abline(color="red") +
xlim(0,1) +
xlab("time precision") +
ylim(0,1) +
ylab("range precision") +
boolScale +
theme_bw(base_size = 18) + ggsave("../paper/figs/release_precision_time_vs_range.png", width = 4, height = 4)
releases_precision_bproj %>% melt(value.name="precision", variable.name="strategy") %>%
ggplot(aes(x=strategy, y=precision)) +
geom_boxplot() +
ylab("Precision") +
xlab("") +
coord_flip() +
theme_bw(base_size = 18) + ggsave("../paper/figs/releases_precision_bproj_boxplot.png", width = 8, height = 3)
release_precision %>%
filter(type == TRUE) %>% count()
release_precision %>% filter(time > range)
releases_precision %>%
filter(range < 0.9)
releases_precision_bproj
releases_precision_bproj %>% summarize(time=mean(time), range=mean(range)) %>%
mutate_if(is.numeric, format, 1)
shapiro.test(releases_precision_bproj$time)
shapiro.test(releases_precision_bproj$range)
wilcox.test(releases_precision_bproj$range, releases_precision_bproj$time)
cliff.delta(releases_precision_bproj$range, releases_precision_bproj$time)
# Recall
releases_recall_bproj <- releases %>%
group_by(project) %>%
summarize(time=mean(time_recall), range=mean(range_recall))
releases_recall_bproj %>%
ggplot(aes(x=time, y=range)) +
geom_point(alpha=0.5, stroke = 0, size=4, shape=16, show.legend = FALSE) +
geom_abline(color="red") +
xlim(0,1) +
xlab("time recall") +
ylim(0,1) +
ylab("range recall") +
theme_bw(base_size = 18) + ggsave("../paper/figs/release_recall_project_time_vs_range.png", width = 4, height = 4)
release_recall <- releases %>%
select(project, release=name, commits, time=time_recall, range=range_recall)
releases_recall_bproj %>% summarize(time=mean(time), range=mean(range)) %>%
mutate_if(is.numeric, format, 1)
release_recall$type <- factor(with(release_recall, time > range))
release_recall
boolColors <- as.character(c("TRUE"="#000000", "FALSE"="#ff0000"))
boolScale <- scale_colour_manual(name="myboolean", values=boolColors)
release_recall %>%
ggplot(aes(x=time, y=range)) +
geom_point(aes(color=type),
alpha=0.5, stroke = 0, size=4, shape=16, show.legend = FALSE) +
geom_abline(color="red") +
xlim(0,1) +
xlab("time recall") +
ylim(0,1) +
ylab("range recall") +
boolScale +
theme_bw(base_size = 18) + ggsave("../paper/figs/release_recall_time_vs_range.png", width = 4, height = 4)
releases_recall_bproj %>% melt(value.name="precision", variable.name="strategy") %>%
ggplot(aes(x=strategy, y=precision)) +
geom_boxplot() +
ylab("Recall") +
xlab("") +
coord_flip() +
theme_bw(base_size = 18) + ggsave("../paper/figs/releases_recall_bproj_boxplot.png", width = 8, height = 3)
release_recall %>%
filter(type == TRUE) %>% count()
release_recall %>% filter(time > range)
release_recall %>%
filter(range < 0.9)
shapiro.test(releases_recall_bproj$time)
shapiro.test(releases_recall_bproj$range)
wilcox.test(releases_recall_bproj$range, releases_recall_bproj$time)
cliff.delta(releases_recall_bproj$range, releases_recall_bproj$time)