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CRC Calculator
CRC计算器,里面包含CRC计算软件和CRC excel计算,CRC excel计算尤其适用于Modbus应用,可以验证自己写的代码产生的CRC值是否正确。
2017-11-22
R Cookbook
With more than 200 practical recipes, this book helps you perform data analysis with R quickly and efficiently. The R language provides everything you need to do statistical work, but its structure can be difficult to master. This collection of concise, task-oriented recipes makes you productive with R immediately, with solutions ranging from basic tasks to input and output, general statistics, graphics, and linear regression. Each recipe addresses a specific problem, with a discussion that explains the solution and offers insight into how it works. If you're a beginner, R Cookbook will help get you started. If you're an experienced data programmer, it will jog your memory and expand your horizons. You'll get the job done faster and learn more about R in the process. * Create vectors, handle variables, and perform other basic functions * Input and output data * Tackle data structures such as matrices, lists, factors, and data frames * Work with probability, probability distributions, and random variables * Calculate statistics and confidence intervals, and perform statistical tests * Create a variety of graphic displays * Build statistical models with linear regressions and analysis of variance (ANOVA) * Explore advanced statistical techniques, such as finding clusters in your data 'Wonderfully readable, R Cookbook serves not only as a solutions manual of sorts, but as a truly enjoyable way to explore the R language-one practical example at a time.' -Jeffrey Ryan, software consultant and R package author
2017-11-12
Transformer and Inductor Design Handbook 4th Edition
变压器与电感器设计手册第四版,英文版本,很经典,自己整理目录结构。里面有理论和范例,设计开关电源必备参考书籍。
2017-11-09
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