文件名称:LogfitApplet
- 所属分类：
- JSP源码/Java
- 资源属性：
- [MacOS] [Java] [源码]
- 上传时间：
- 2012-12-29
- 文件大小：
- 2kb
- 下载次数：
- 0次
- 提 供 者：
- b*
- 相关连接：
- 无
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最近的一个软件项目有一个要求，导出从一系列的数据点的二次曲线的方程。这就是说，以确定，和c，其中，即y = ax2+ bx + c的。在确定A，B和C，我也需要一个R-平方值（决定系数）。
我有一个模糊的记忆称为最小二乘回归“的东西，所以回谷歌，我就去了。-A recent software project had a requirement to derive the equation of a quadratic curve from a series of data points. That is to say, to determine a, b, and c, where y = ax2+ bx+ c. Having determined a, b, and c, I would also need a value for R-squared (the coefficient of determination).
I had a vague recollection of something called Least Squares Regression , so back to Google I went.
我有一个模糊的记忆称为最小二乘回归“的东西，所以回谷歌，我就去了。-A recent software project had a requirement to derive the equation of a quadratic curve from a series of data points. That is to say, to determine a, b, and c, where y = ax2+ bx+ c. Having determined a, b, and c, I would also need a value for R-squared (the coefficient of determination).
I had a vague recollection of something called Least Squares Regression , so back to Google I went.
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LogfitApplet.java