TqSdk 是信易科技开源的 Python 量化交易开发包，面向国内期货、期权、股票等市场，提供实时行情、K 线数据、历史回测 ...

When it comes to working with data in a tabular form, most people reach for a spreadsheet. That’s not a bad choice: Microsoft Excel and similar programs are familiar and loaded with functionality for ...

The Chi-square test is one of the statistical tests we can use to decide whether there is a correlation between the categorical variables. The Chi-square test assesses relationships between ...

Over the last month, Google has announced a number of advancements to how they will be measuring user experience through key speed and performance metrics. Coincidentally, I have been working on ...

During development, it is highly recommended that you use the clojure.spec "checked" version of the libraries, eg. bamboo.checked.core, to validate function arguments against the specification. In ...