变量
- 与 变量 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper, it studied on data preprocessing including data cleaning, data conversion and data clustery, especially categorical variable with more characteristic item in data.
数据预处理备包括:数据清洗、数据转换以及变量聚类等,特别是对特征项过多的分类变量做了深入分析。
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Then product between the plant height and stem-diameter of sunflower is marked as the integrated index and regarded as primary variable. Choosing water conter and EC as secondary variable, the integrated index of sunflower is estimated using the three variables CK method that is in the form of covariance function.
将向日葵株高与茎粗的乘积记为综合性指标并视为主变量,选取土壤含水率与EC值为辅助变量,分别运用CK法与普通克立格法(Ordinary Kriging,简记为OK法)对向日葵综合性指标进行预测研究。
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As one of the leading branches of the modern statistics, the riouparametric regression analysis is widely applied to explore the relationship between the the response variable y and the covariable A'.
对于非参数回归人们提出了许多估计方法,如核估计,局部多项式估计,光滑样条估计,级数估计(傅里叶级数估计,小波级数估计)等。这些方法本质上讲都是局部估计或局部光滑,当回归变量X为一维变量时,非参数回归函数用这些方法一般都能得到很好的估计。
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The 2 test and Student t test were used to compare dichotomous and continuous variables, respectively.
分别用卡方检验和T检验比较两分法变量与连续变量。
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The features are stable and discriminable. The invariants are semi-local rather than global, which promotes tolerance to occlusion. The considerable redundancy is possible for the object whose boundary has complex structure, which enhances the reliability of object recognition.
本方法提取特征不变量只需对待识别图像进行处理,不需要进行摄像机标定和目标空间姿态测量,特征不变量具有较好的稳定性和可分辨性,在目标被部分遮掩的情况下,仍然可能获得可靠的识别,另外,边界结构复杂的目标提供了冗余特征,增强了识别的可靠性。
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According to constraint-induced financial innovation theory, evadable financial innovation theory, the transaction cost innovation theory, and based on commercial banks" basic concepts and theory of intermediary operation"s development, in a comprehensive comparison between domestic and foreign commercial banks, this paper applies the econometric method of panel data to analyze 4 macroscopical indicators impacting on intermediary operation such as gross domestic product, per capita disposable income, total direct financing business and the average deposit and loan spreads, and the econometric method of time sequence to analyze 3 microcosmic indicators such as the rate of nonperforming loans, the rate of cash and assets, core capital adequacy ratio.
本文根据约束诱导型金融创新理论、规避型金融创新理论、交易成本创新理论等理论,以商业银行中间业务的基本概念和中间业务发展的理论依据为出发点,在全面比较国内外商业银行中间业务发展的基础之上,运用时间序列和面板数据分析方法,选择了国内生产总值、城乡居民人均可支配收入、企业直接融资总额和平均存贷款利差四个宏观经济变量以及不良贷款率、现金资产率和核心资本充足率三个微观经济变量,对影响我国国有商业银行中间业务发展的因素进行实证分析。
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By multiple statistic method the report finically decides the competence items, which are factor analyzed into 66 items, 12 factors and further combined into 5 dimensions. Knowledge and skill dimension includes knowledge structure, education concept and psychology tutoring skill; ability dimension includes common ability and special ability; self-concept dimension includes self-situate , self-efficacy and self-supervise; personality dimension includes character and emotion; motivation dimension includes extrinsic motivation and internal motivation. It proved that the questionnaire has good internal consistency reliability, and also has good internal validity and structural validity. It could be offer an effective tool to survey the psychology tutoring competence of university counselor. In the second research, using The Questionnaire for psychology tutoring competence actuality of university counselor to investigated 40 counselors and more than 300 college students from 6 college of Wu Han. It validated three hypotheses, the results show: There existed significant difference in university counselor within the variable of college, major, whether do not have assessed remarkable counselor ,how many years to be a university counselor and whether do not ever joined some training of psychology tutoring, but no significant difference within the variable of sex, age and degree.
研究二运用《高校辅导员心理辅导胜任力现状调查》和《高校辅导员心理辅导胜任力现状调查》对武汉6所高校的40名辅导员和300多名大学生实施调查,以辅导员的性别、年龄、学校、学历、专业,以及担任辅导员的年限、是否参加相关心理辅导的培训和是否获得过优秀辅导员称号为分组变量,讨论不同组别的辅导员各项胜任力水平的差异,验证了三个假设,结果表明:(1)学校:不同高校的辅导员心理辅导胜任力水平存在显著的差异,其中教育观念、外在动机和内在动机等方面差异非常显著;(2)专业:整体上,不同专业的辅导员心理辅导胜任力水平不存在显著的差异,但在教育观念、心理辅导技巧、外在动机和内在动机等因子上存在显著差异;(3)工作年限:整体上不存在显著的工作年限差异,但在心理辅导技巧、特殊能力、自我效能感和情感等因子上存在显著差异;(4)是否参加心理辅导培训:参加过培训的辅导员的胜任力水平整体上高于未参加过培训的辅导员,但并不显著,只在知识结构和心理辅导技巧上差异显著;(5)是否获得过优秀辅导员称号:总体上不存在显著的差异,但获得过优秀称号的辅导员胜任力水平在一般能力和性格两个因子上明显比较高;(6)辅导员的心理辅导胜任力水平与其性别、年龄、学历三个变量上各因子的显著性程度都未达到。05,属于不显著的水平。
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It forecasts creep deformation applying for grey theory through analyzing creeping features of geotechnic grate, which obtaining good fitted effect, it proves that grey theory can forecast creep deformation under selecting reasonable data.
通过对土工格栅蠕变特性的分析研究,采用灰色理论的方法对土工格栅蠕变量进行了预测,得出了较好的拟合结果,证明了在合理选择数据列的前提下,灰色理论可以较准确地预测土工格栅的蠕变量。
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Mix distribution hypnoses assume that the asset price movement and the trading volume are both determined by an unobservable flow of information; different pieces of information flowing into the security market will cause movements of both the trading volume and the price.
结果发现,与成熟的股票市场相比,中国股票价格波动的非对称性较弱,这可能是由于中国股票市场的特殊结构与贷款利率缺乏刚性所造成的。3,混合分布假说认为金融资产的收益和交易量是由一个潜在的不可观测的信息流变量共同决定的,信息流的冲击将同时产生收益和交易量的变动,即信息流是混合变量,日交易次数或交易量可以作为信息流的替代指标,所以交易量能够很好的解释价格波动性。
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Based on the equations, a new method for the geometrical design of hypoid gears is presented.
在这组方程的基础上,提出了一种几何设计的新方法,以大轮的节锥角和节圆半径以及小轮的螺旋角这三个参数为自由变量,以准双曲面齿轮副的偏置角为中间变量,用数值求解方法能够非常方便可靠地确定节锥的参数。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。