Web统计上定义剩余误差除以自由度n–2所得之商的平方根为估计标准误。 为回归模型拟合优度的判断和评价指标,估计标准误显然不如判定系数R²。 R²是无量纲系数,有确定的取值范围 (0—1),便于对不同资料回归模型拟合优度进行比较;而估计标准误差是有计量单位的,又没有确定的取值范围,不 ... Weba chart or map showing the movements or progress of an object. a small area of ground covered by specific vegetation; "a bean plot"; "a cabbage patch"; "a briar patch". 同义 …
plot中文(简体)翻译:剑桥词典 - Cambridge Dictionary
Web百度翻译提供即时免费200+语言翻译服务,拥有网页、app、api产品,支持文本翻译、文档翻译、图片翻译等特色功能,满足用户查词翻译、文献翻译、合同翻译等需求,随时随地沟通全世界 WebShape is dependent on binning (different for different instruments and analysis tools) Peak height is a function of the number of events and spread of the data. 2. Scatter Graphs. The real data that is important are the numbers extracted from these graphs. As such, scatter plots should be seen as a way to summarize the real data. iphone 5s for sale refurbished
流式图的排版 - 简书
WebThis is now a Flow Duration Curve. If you look at the flow value at ‘60% exceedence’ you will see that it is 1.3 m 3 /s. This does not mean that the flow rate is 1.3 m 3 /s for 60% of the time, but that the flow is equalled or exceeded for 60% of the time, so basically the flow is at this flow or at a higher flow for 60% of the time. If you look at the flow at 20% … WebThe flow is two-dimensional and the airfoil has infinite span. In fluid dynamics, potential flow (or ideal flow) describes the velocity field as the gradient of a scalar function: the velocity potential. As a result, a potential flow is characterized by an irrotational velocity field, which is a valid approximation for several applications. Web所以,plot用于表示图形的时候,多数情况下是指“按变量之间的约束关系描点绘制2者的关系曲线图”,生活中常用的抽象意思其实都是它的比喻义。换句话说,plot强调“思维的脉络性”或“意图”,即便是由此描点形成的图形也 … iphone 5s flashlight replacement