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一直从事气象预报、服务建模实践应用。注重气象物理场、实况场、地理信息、本体知识库、分布式气象内容管理系统建立。对Barnes客观分析, 小波,计算神经网络、信任传播、贝叶斯推理、专家系统、网络本体语言有一定体会。一直使用Java、Delphi、Prolog、SQL编程。

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中国站点密度分布

2016-11-07 21:52:45| 分类： R | 标签： |举报 |字号大中小订阅

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library(MASS)
library(rbokeh)
fnmDictReal='/wk2/IdeaProjects/calf/doc/knn/dictR.csv'
nms <- c("sta","lat","lon","alt")
dictR <- read.csv(fnmDictReal,header = F)
names(dictR) <- nms
x <- dictR$lon
y <- dictR$lat
dx <- density(x)
dy <- density(y)

density<-kde2d(x,y,n=600)
filled.contour(density,color.palette=colorRampPalette(c('white','blue','yellow','red','darkred')))

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