5 non parametric methods: linear spline, B spline, N-W kernel estimation, nearest neighbor estimation, and local polynomial are used to fit the SO2 concentration data in a certain area.

Filename	Size	Update
代码与数据	0	2017-07-16
代码与数据\1.大气污染 线性样条.R	2963	2017-06-29
代码与数据\2.大气污染 B样条.R	3690	2017-06-29
代码与数据\3.大气污染 N-W核估计.R	740	2017-06-30
代码与数据\4.大气污染 最近邻估计.R	753	2017-06-29
代码与数据\5.大气污染 局部多项式.R	959	2017-06-29
代码与数据\6.上证A股 核密度估计.R	7069	2017-06-29
代码与数据\大连大气污染数据.csv	23221	2017-06-28
代码与数据\代码txt文件	0	2017-07-16
代码与数据\代码txt文件\1.大气污染 线性样条.txt	2963	2017-06-30
代码与数据\代码txt文件\2.大气污染 B样条.txt	3690	2017-06-30
代码与数据\代码txt文件\3.大气污染 N-W核估计.txt	740	2017-06-30
代码与数据\代码txt文件\4.大气污染 最近邻估计.txt	753	2017-06-30
代码与数据\代码txt文件\5.大气污染 局部多项式.txt	959	2017-06-30
代码与数据\代码txt文件\Rplot.png	9443	2017-07-07
代码与数据\代码txt文件\Rplot01.png	5592	2017-07-07
代码与数据\代码txt文件\Rplot02.png	6865	2017-07-07
代码与数据\代码txt文件\Rplot03.png	8125	2017-07-07
代码与数据\代码txt文件\Rplot04.png	6469	2017-07-07
代码与数据\代码txt文件\Rplot05.png	4018	2017-07-07
代码与数据\代码txt文件\Rplot06.png	6350	2017-07-07
代码与数据\代码txt文件\Rplot07.png	6181	2017-07-07
代码与数据\代码txt文件\Rplot08.png	6181	2017-07-07
代码与数据\代码txt文件\Rplot09.png	6179	2017-07-07
代码与数据\代码txt文件\Rplot10.png	6188	2017-07-07
代码与数据\代码txt文件\Rplot11.png	5231	2017-07-07
代码与数据\代码txt文件\Rplot12.png	5445	2017-07-07
代码与数据\代码txt文件\上证A股 核密度估计.txt	7069	2017-06-30
代码与数据\上证A股日收益率.csv	40146	2017-06-21

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