cross-validation造句
例句與造句
- Laser spot image denoising using the wavelet algorithm based on cross - validation
基于交叉驗證的激光光斑小波降噪 - The choice of smoothing parameter can be automatically obtained by using generalized cross - validation function
自編程序進行計算，得到了回歸參數向量和樣條函數的補償最小二乘估計。 - Decision tree arithmetic can easily create an if - then expression . its accuracy can be estimated by k - fold cross - validation
決策樹算法的最大優點是能夠很容易地產生出if - then表達式。 - Using cross - validation to select h as hn * . under proper conditions , this paper gives the bounds of hn * , and the convergence rate and the weak consistency of g ( t )
) ，在一定的正則性條件下，給出了( ? )的上下界估計和g ( t )的估計的收斂速度。 - A cross - validation study of 150 inmates in california s folsom state prison indicated that meditation significantly reduced state and trait anxiety , insomnia , neuroticism , and behavioral infractions
對加州佛山監獄一百一十五名受刑人作交叉驗證的研究，發現打坐可以有效的減少焦慮失眠神經病狀及違法行為。 - It's difficult to find cross-validation in a sentence. 用cross-validation造句挺難的
- The support vector classifier is adopted to identify fault in the two types , and the grid search method based on cross - validation is chosen to determine model parameters
該模型將變壓器故障分為放電性和過熱性兩大類，通過統計分析尋求特征量區分類間的故障類型，采用支持向量機識別類內的故障類型，利用基于交叉驗證的網格搜索法來確定支持向量機的參數。 - At the part of empirical study , this paper chooses 124 a - stock listed companies from stock exchange of shanghai and shenzhen as research samples , makes use of the step method to filter the 13 possible variables ( including 3 debt - paying ability indexes , 3 operating ability indexes , 4 profitability indexes and 3 cash flow indexes ) in analysis and finally sets up discrimimant models by fisher discrimimant rules with the samples " financial data . then this paper validates the stability of these models using the self - validation and cross - validation before analyzing the prediction ability of these models with outside - validation
實證研究部分主要以我國深、滬兩市124家上市公司為研究樣本，采用上市公司1998年至2001年的實際財務數據，運用逐步判別分析方法對擬進入模型的13個變量（包括3個償債能力指標、 3個經營能力指標、 4個獲利能力指標及3個現金流量指標）進行篩選，并根據fisher判別準則建立判別模型，在運用自身驗證法與交互式驗證法對模型的穩定性加以驗證后，運用外部數據驗證法對模型的預測能力進行了分析。 - In this paper , we use nonparametric regression method in chinese financial time series , we also use both kernel regression after improving cross - validation function and local polynomial estimation of regression under mixing condition to study and analyze the volatility in chinese stock market
在本文中，我們把非參數回歸的方法運用到我國實際的金融時間序列數據之中，討論了我國股價指數收益率序列的易變性。而在用非參數回歸進行估計時，選擇合適的窗寬有著重要的意義。