statistical fit

Test of Goodness of Fit Used in Statistical Survey and Statistical Analysis

拟合度检验在统计调查与分析中的应用

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The test of goodness-of-fit is an important means to establish a statistical model. Many test statistics reach their own extreme value at an "ideal sample" but EDF statistics not. It certainly affects the power of the tests.

拟合优度检验是建立统计模型的一个重要手段，很多检验统计量用一个理想样本能达到它们自己的极值，但EDF统计量做不到，这无疑会影响检验的势。

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Fire in the current prediction methods, based on traditional statistical forecasting methods fire prediction errors exist, and based on neural network prediction methods exist smart "over-fit" and the promotion of capacity is not strong, such as disadvantage.

在目前火灾预测方法中，基于统计学的传统火灾预测方法存在预测误差较大，而基于神经网络的智能预测方法又存在过拟合和推广能力不强等缺点。

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First, beware the managerial tendency to "over-fit the curve"& a statistical term that refers to the diminishing value of gathering additional data once you find a pattern.

首先，警惕管理层的“过拟合”倾向&统计学词汇“过拟合”指的是一旦模式已经发现，搜集更多数据的价值趋于下降。

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In this paper, by reviewing the sales statistical data in the past and analyzing the commodities 'market potential, the author aims to fit out an appropriate demand function and set up models of commodities' optimal markdown amplitude.

本文通过分析产品的市场潜力，根据历史销售的统计资料，拟合出合适的需求函数，建立了商品降价的最佳幅度模型。

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