By exploratory statistic analysis, the paper gave bivariate frequency contingency tables between every qualitative variable and every publishing company.
通过探索性统计分析，给出了调查报告中各定性变量和出版社间的二向频率列联表。
By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.
该文利用小波包变换的时频局部分析能力，研究了非高斯分布平稳随机噪声的统计特性，揭示了非高斯噪声信号的信号结构。
Method: Statistic analysis of the varieties, sales amount from 2005 to 2008 and frequency of utilization (DDDS), etc. of our orthopaedic drugs.
方法：对我院2005年- 2008年骨伤科用药品种及销售金额、用药频度(DDDS)、等进行统计分析。
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