{"id":1872,"date":"2023-07-24T15:57:11","date_gmt":"2023-07-24T15:57:11","guid":{"rendered":"https:\/\/statorials.org\/cn\/%e5%8f%8d%e6%ad%a3%e5%bc%a6%e5%88%b0-r-%e5%8f%98%e6%8d%a2\/"},"modified":"2023-07-24T15:57:11","modified_gmt":"2023-07-24T15:57:11","slug":"%e5%8f%8d%e6%ad%a3%e5%bc%a6%e5%88%b0-r-%e5%8f%98%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/%e5%8f%8d%e6%ad%a3%e5%bc%a6%e5%88%b0-r-%e5%8f%98%e6%8d%a2\/","title":{"rendered":"R \u4e2d\u7684\u53cd\u6b63\u5f26\u53d8\u6362\uff08\u9644\u793a\u4f8b\uff09"},"content":{"rendered":"

<\/p>\n

\n

\u53cd\u6b63\u5f26\u53d8\u6362<\/strong>\u53ef\u7528\u4e8e\u5728\u503c 0 \u548c 1 \u4e4b\u95f4\u201c\u6269\u5c55\u201d\u6570\u636e\u70b9\u3002<\/span><\/p>\n

\u8fd9\u79cd\u7c7b\u578b\u7684\u8f6c\u6362\u901a\u5e38\u5728\u5904\u7406\u6bd4\u4f8b\u548c\u767e\u5206\u6bd4\u65f6\u4f7f\u7528\u3002<\/span><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5728 R \u4e2d\u6267\u884c\u53cd\u6b63\u5f26\u53d8\u6362\uff1a<\/span><\/p>\n

 asin(sqrt(x))\n<\/strong><\/pre>\n
\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5728\u5b9e\u8df5\u4e2d\u4f7f\u7528\u6b64\u8bed\u6cd5\u3002<\/span><\/p>\n
\u793a\u4f8b1\uff1a0\u548c1\u4e4b\u95f4\u7684\u503c\u7684\u53cd\u6b63\u5f26\u53d8\u6362<\/strong><\/span><\/h3>\n
\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5bf90\u52301\u4e4b\u95f4\u7684\u5411\u91cf\u503c\u8fdb\u884c\u53cd\u6b63\u5f26\u53d8\u6362\uff1a<\/span><\/p>\n
 #definevector<\/span>\nx <- c(0.1, 0.33, 0.43, 0.5, 0.7)\n\n#perform arcsine transformation on values in vector<\/span>\nasin(sqrt(x))\n\n[1] 0.3217506 0.6119397 0.7151675 0.7853982 0.9911566\n<\/strong><\/pre>\n
\u793a\u4f8b2\uff1a0\u52301\u8303\u56f4\u4e4b\u5916\u7684\u503c\u7684\u53cd\u6b63\u5f26\u53d8\u6362<\/strong><\/span><\/h3>\n
\u8bf7\u6ce8\u610f\uff0c\u53cd\u6b63\u5f26\u53d8\u6362\u4ec5\u9002\u7528\u4e8e 0 \u5230 1 \u4e4b\u95f4\u7684\u503c\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u503c\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u5411\u91cf\uff0c\u6211\u4eec\u5fc5\u987b\u9996\u5148\u5c06\u6bcf\u4e2a\u503c\u8f6c\u6362\u4e3a 0 \u5230 1 \u4e4b\u95f4\u3002<\/span><\/p>\n
 #define vector with values outside of range 0 to 1<\/span>\nx <- c(2, 14, 16, 30, 48, 78)\n\n#create new vector where each value is divided by max value<\/span>\ny <- x \/ max(x)\n\n#view new vector\n<\/span>y\n\n[1] 0.02564103 0.17948718 0.20512821 0.38461538 0.61538462 1.00000000\n\n#perform arcsine transformation on new vector<\/span>\nasin(sqrt(y))\n\n[1] 0.1608205 0.4374812 0.4700275 0.6689641 0.9018323 1.5707963\n<\/strong><\/pre>\n
\u793a\u4f8b3\uff1a\u6570\u636e\u6846\u4e2d\u503c\u7684\u53cd\u6b63\u5f26\u53d8\u6362<\/strong><\/span><\/h3>\n
\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5bf9\u6570\u636e\u6846\u7684\u7279\u5b9a\u5217\u4e2d\u7684\u503c\u6267\u884c\u53cd\u6b63\u5f26\u53d8\u6362\uff1a<\/span><\/p>\n
 #define data frame<\/span>\ndf <- data. frame<\/span> (var1=c(.2, .3, .4, .4, .7),\n                 var2=c(.1, .2, .2, .2, .3),\n                 var3=c(.04, .09, .1, .12, .2))\n\n#perform arcsine transformation on values in 'var1' column\n<\/span>asin(sqrt(df$var1))\n\n[1] 0.4636476 0.5796397 0.6847192 0.6847192 0.9911566\n<\/strong><\/pre>\n
\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5bf9\u6570\u636e\u6846\u7684\u591a\u5217\u4e2d\u7684\u503c\u6267\u884c\u53cd\u6b63\u5f26\u53d8\u6362\uff1a<\/span><\/p>\n
 #define data frame<\/span>\ndf <- data. frame<\/span> (var1=c(.2, .3, .4, .4, .7),\n                 var2=c(.1, .2, .2, .2, .3),\n                 var3=c(.04, .09, .1, .12, .2))\n\n#perform arcsine transformation on values in 'var1' and 'var3' columns\n<\/span>sapply(df[ c(' var1<\/span> ', ' var3<\/span> ')], function<\/span> (x) asin(sqrt(x)))\n\n          var1 var3\n[1,] 0.4636476 0.2013579\n[2,] 0.5796397 0.3046927\n[3,] 0.6847192 0.3217506\n[4,] 0.6847192 0.3537416\n[5,] 0.9911566 0.4636476<\/strong><\/pre>\n
\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h3>\n
\u5982\u4f55\u5728 R \u4e2d\u8f6c\u6362\u6570\u636e\uff08\u5bf9\u6570\u3001\u5e73\u65b9\u6839\u3001\u7acb\u65b9\u6839\uff09<\/a>
\u5982\u4f55\u5728 R \u4e2d\u6267\u884c Box-Cox \u53d8\u6362<\/a>
\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684\u65e5\u5fd7\u8bb0\u5f55\u529f\u80fd<\/a>
\u5982\u4f55\u5728R\u4e2d\u4f7f\u7528\u5e73\u65b9\u6839\u51fd\u6570<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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