{"categories":["R","\u5352\u7814"],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/syou6162/20161113/20161113003733.png","title":"Multivariate Kernel Density Estimation\u306e\u7df4\u7fd2","author_url":"https://blog.hatena.ne.jp/syou6162/","width":"100%","height":"190","author_name":"syou6162","blog_url":"https://www.yasuhisay.info/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.yasuhisay.info%2Fentry%2F20081003%2F1223008544\" title=\"Multivariate Kernel Density Estimation\u306e\u7df4\u7fd2 - yasuhisa&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Tsukuba.R\u30673\u6b21\u5143\u306eplot\u306f\u7df4\u7fd2\u3057\u3066\u304a\u3044\u305f\u304b\u3089\u697d\u52dd\u3002\u3068\u308a\u3042\u3048\u305a\u3001MASS\u30d1\u30c3\u30b1\u30fc\u30b8\u306ekde2d\u95a2\u6570\u3092\u81ea\u524d\u3067\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u6311\u6226\u3059\u308b\u306e\u304c\u4eca\u306e\u8ab2\u984c\u3002 #2\u5909\u6570\u306e\u30ac\u30a6\u30b9\u5206\u5e03\u306eplot double_gaussian <- function(x1,x2,sigma=1,mu1=0,mu2=0){ return(1 / (2*pi*sigma^2) * exp(- ((x1-mu1)^2 + (x2-mu2)^2) / (2 * sigma^2))) } #\u666e\u901a\u306bplot x <- seq(-3,3,length=50) y <- x z <- outer(x,y,double_gaussian\u2026","provider_name":"Hatena Blog","published":"2008-10-03 13:35:44","blog_title":"yasuhisa's blog","provider_url":"https://hatena.blog","url":"https://www.yasuhisay.info/entry/20081003/1223008544","type":"rich","version":"1.0"}