# 机器学习与统计学

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### R in action读书笔记（6）-第七章：基本统计分析（中）

table(var1, var2, …, varN) 使用 N 个类别型变量（因子）创建一个 N 维列联表

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### R Programming week2 Functions and Scoping Rules

When R tries to bind a value to a symbol,it searches through a series of environ...

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### Python学习 Day 1-简介 安装 Hello world

Python（英语发音：/ˈpaɪθən/）, 是一种面向对象、解释型计算机程序设计语言，由Guido van Rossum于1989年底发明，第一个公开发行版...

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mpg hp wt

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### R Programming week2 Control Structures

Control structures in R allow you tocontrol the flow of execution of the program...

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### R Programming-week1 Subsetting

Thereare a number of operators that can be used to extract subsets of R objects.

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### R in action读书笔记（3）-第六章：基本图形

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There are a few principal functions readingdata into R.

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### R in action读书笔记（2）-第五章：高级数据管理

 语句（statement）是一条单独的R语句或一组复合语句（包含在花括号{ } 中的一组R语

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### R Programming-Week 1-Data Types

R has five basic or “atomic” classes ofobjects:

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### Python学习 Day 12 调试 断言 logging pdb pdb.set_trace()

ZeroDivisionError: integer division ormodulo by zero

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### Duke@coursera 数据分析与统计推断 unit2 probability and distributions

In a random process we know what outcomes couldhappen, but we don't know which p...

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### Duke@coursera 数据分析与统计推断 unit1 part2 introduction to data

roughly the average deviation around themean, and has the same units as the data

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