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Relative frequencies / proportions with dplyr
...()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
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redmine开源项目管理工具介绍 - 开源 & Github - 清泛网 - 专注IT技能提升
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3.线路图
提供一个更级别的基于项目版本的对于整个问题跟踪系统的概述，它可以帮助制定项目计划，管理项目开发。
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