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907求多元线形回归方程及预报
一.功能 x1,x2, x3,………..xp为自变量,Y为随机变量,
求线形回归方程
Y= + +…+ +
其中 。。。, 为常数, 是随机变量,且 —N(0, )
来描述Y与X的变化规律。并用T检验法检验线形回归是否显著。
如果线性回归显著,可用经验回归平面方程对Y作出预报,并给出预报值的置信区间。
-907 for multiple linear regression equation and a prediction. Fun
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906 求一元线形回归方程及预报
一 功能 x为自变量,y为随机变量,给出一组n次观测值(Xi, Yi), I=1, 2,
… n, 求线形回归方程
Y=A+BX
来描述Y与X的变化规律。并用T检验法检验线形回归是否显著。若显著,可用求得的线形回归方程作预报,并给出预报值的置信区间。
-906 for one yuan linear regression equation and forecast a function of the variable x, y as ran
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置信区间的相关程序-confidence interval associated procedures
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置信区间的模拟程序,适合概率初学者参考学习-Confidence interval of the simulation program, suitable for beginners reference probability learning
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ex6_1 ~ ex6_3二项分布的随机数据的产生
ex6_4 ~ ex6_6通用函数计算概率密度函数值
ex6_7 ~ ex6_20常见分布的密度函数
ex6_21 ~ ex6_33随机变量的数字特征
ex6_34 采用periodogram函数来计算功率谱
ex6_35 利用FFT直接法计算上面噪声信号的功率谱
ex6_36 利用间接法重新计算上例中噪声信号的功率谱
ex6_37 采用tfe函数来进行系统的辨识,并与理想结果进行比较
ex6_38 在置信度为0
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考察温度x对产量y的影响,测得下列10组数据:求y关于x的线性回归方程,检验回归效果是否显著,并预测x=42℃时产量的估值及预测区间(置信度95 )
示例包含在内-X on the output of the temperature study of the impact of y, measured the following 10 sets of data: for y on x of the linear regression equation to test whether the
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This function calculate the performance, based on Bayes theorem, of a clinical test. The input is based on a 2x2 matrix (true positive, false positives false negative, true negatives).
The Outputs are:
- Prevalence of disease
- Test Sensibility
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在给出一组数据之后,可以对该组数据的置信区间进行求解。-In a given set of data, you can group the data of the confidence interval to solve it.
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置信区间判定算法在利用元素指标判定肾炎病人的应用。本文件仅提供算法原理和部分C语言编写的数据处理程序,希望能对数学算法应用的研究者提供帮助。本算法获得SUT数学建模大赛一等奖。-Confidence interval decision algorithm in the use of elements of indicators to determine the application of nephritis patients. This document provides only part
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Resolve a calibration problem that is to estimate mean value and confidence interval of x since y
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This paper introduces a message forwarding algorithm for search applications within mobile ad hoc networks that is based on the concept of selecting the nearest node from a set of designated nodes. The algorithm, which is called Minimum Distance P
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This paper introduces a message forwarding algorithm for search applications within mobile ad hoc networks that is based on the concept of selecting the nearest node from a set of designated nodes. The algorithm, which is called Minimum Distance Pack
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如何使用置信区间用于测试TCP数据流的吞吐率-How to use the confidence interval for testing the throughput of TCP data flow
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不对称曲线的置信区间的求取,matlab编程-Asymmetric confidence interval of the curve to strike, Matlab programming
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柯志亨版NS2仿真实验-多媒体和无线网络通信书中实验五(置信区间)的所有程序,包含运行结果图,所有程序都是调过的,可运行。.
-Ke Zhiheng version of NS2 simulation- multimedia and wireless network communication book experiments (confidence interval) of all programs, including a diagram of the operating res
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用方差分析葡萄酒质量评价的合理性,画出分析图,用置信区间发对数据进行处理。-Variance analysis of the reasonableness of the wine quality evaluation, draw analysis chart sent for processing data with a confidence interval.
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布林线(Boll)指标是通过计算股价的“标准差”,再求股价的“信赖区间”。该指标在图形上画出三条线,其中上下两条线可以分别看成是股价的压力线和支撑线,而在两条线之间还有一条股价平均线,布林线指标的参数最好设为20。一般来说,股价会运行在压力线和支撑线所形成的通道中。-Bollinger Bands (Boll) indicators by calculating the price of the " standard deviation" , and then seek a
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第4界中兴捧月时做短信过滤使用的朴素贝叶斯方法的代码,主要是通过计算收到信息分别在收件箱的和垃圾箱的概率是多少来区分短信息所在置信区间。这里短信先经过了分词在算每个此条的概率。-Naive Bayesian method code, the 4th ZTE handful of months do SMS filtering using the received information by calculating how much to distinguish between short in
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matlab金融时间序列ARMA建模
结果分析:
1.预测结果从第四步开始,预测值不再改变,因为ARMA是收敛的回归模型,而我们做的工作并不是模拟,所以,当预测步长足够长时,它最终将收敛于一个不变得预测值
2.既然预测值一样,为什么还原为成交量后,在置信区间下预测的最大值与预测均值的差比预测均值与最小值的差要大?因为将对数差分值还原时,需用到的指数函数为凹函数-matlab Financial Time Series the the ARMA modeling results Ana
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置信区间的matlab程序 置信区间的matlab程序 置信区间的matlab程序-Confidence Interval matlab programConfidence Interval matlab programConfidence Interval matlab programConfidence Interval matlab program
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