时间趋势(Time Trend):时间的函数,它是趋势时 间序列过程的期望值。总平方和(SST)(Total Sum of Squares,SST):因变量相 对于它的样本均值的总样本变...
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一、 估计式中有时间趋势项(time trend)及常数项(drift term): 其假设为: 1 : 1 : 1 0< = γ γ H H 21 t p t p t t e Y Y Y Y t a a y + ∆ + + ∆ + ∆ + + + = + − ...
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real-time trend panel 实时趋势画面
linear time trend [经] 线性时间趋势
Real-time trend 实时曲线
Long-time trend 长期趋势
Short time trend 短期趋势
short-time trend [经] 短期趋势
shortage-time trend 短期趋势
time trend variable 时间趋势变量
Methods A time trend analysis of data from the fever monitoring spots in Hangzhou was carried out.
方法对杭州市发热监测哨点数据进行时间趋势分析。
This article introduces how to acquire data, the thought, the principle and the programme of drawing the real time trend curve with VB.
介绍了如何利用VB采集数据,以及如何绘制实时数据趋势曲线的设计原理及程序。
The system also realizes history trend curve, real time trend curve, alarm, print and so on, and this provides one way to monitor product situation and makes the rapid reaction to the unusual things.
实现了历史趋势曲线、实时趋势曲线、报警记录及打印报表等功能,提供了一种能形象直观的了解现场生产情况、对异常情况做出快速反应的监控方式。
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