Rails ActiveRecord 数据分析
我正在寻找一个基于 Rails ActiveRecord 的 Gem 来提供数据分析，以便我可以趋势数据的变化。想象一下：
class Report < ActiveRecord
scope :overdue, lambda { where :due_date <= Time.now }
profile_counts overdue, :frequency=>:nightly
end
这个想法是“profile_counts”方法将附加到一些全局数据分析表，该表将随着时间的推移对延迟报告的计数进行趋势分析。
请就宝石、最佳实践等提出建议。
I'm looking for a Rails ActiveRecord based Gem to provide data profiling so that I can trend changes in the data. Imagine:
class Report < ActiveRecord
scope :overdue, lambda { where :due_date <= Time.now }
profile_counts overdue, :frequency=>:nightly
end
The idea would be that the "profile_counts" method would append to some global data profiling table that would trend the count of late reports over time.
Please advise on gems, best practices etc.
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也许我不明白这个问题，但是一个简单的 cron 作业每天运行不会做你想做的事吗？
趋势表中只有日期（日期时间）和逾期（整数）列？
我想你可以推出一个使用 Rufus::Scheduler 或每当 gems 的插件，但对我来说这看起来有点矫枉过正。
Perhaps I don't understand the question, but wouldn't a simple cron job, run daily, do what you want?
where the trends table has only date (datetime) and overdue (integer) columns?
I guess that you can roll a plugin that will use Rufus::Scheduler or whenever gems, but it looks like an overkill to me.
我不认为有一个 gem 可以自动执行此操作，但我认为安排一个作业只需跟踪
scope的count就足够容易了，然后您可以随时间查询它以用于报告目的I don't think theres a gem that does this automatically but I think it would be easy enough to have a scheduled job just keep track of the
countof ascopeand then you can query it over time for reporting purposes