1、Error in if (is.na(n) || n > 65536L) stop(“size cannot be NA nor exceed 65536”) : missing value where TRUE/FALSE needed 没有处理数据转化距离。 2、Error in hclust(dist(test)) : NA/NaN/Inf in foreign function call (arg 11) In addition: Warning message: In dist(test) : ...
其中笔者就见过这样三类if:if-else ifelse stopifnot 这个很常见,就是需要注意一下,if-else的写法,来看经管之家论坛一位坛友的提醒与使用心得: if(){}else{} 表示先执行if括号后面的条件语句,如果正确就执行第一个大括号里的程序,如果错误就执行else后面大括号里的语句。 有一种情况,r会报错: if(){} els...
elseif ip route-destination in {2.2.2.4 32} then //如果路由的目的地址不为2.2.2.1/32和2.2.2.3/32,则执行本语句 refuse //如果路由的目的地址为2.2.2.4/32,则执行本语句,结束过滤,结果是deny elseif ip route-destination in {2.2.2.5 32} then //如果路由的目的地址不为2.2.2.1/32和2.2.2.3/32和...
NOT_DEFINED 430336 142 CAP_TABLE_ND2NHP6 12544 143 CAP_TABLE_ND2NHP6_IDX 16704 144 CAP_TABLE_IPV6_PMTU 12544 145 CAP_TABLE_L3_STREAM 12544 146 CAP_TABLE_L2_STREAM 12544 147 CAP_TABLE_CTRLIF_MAP_FWDIF 196864 148 CAP_TABLE_FLOWIF_MAP_FWDIF 196864 149 CAP_TABLE_FWDIF_PHY 65792 150 ...
a <- 1:5 b <- 1:3 a + b # Warning message in a + b: # “longer object length is not a multiple of shorter object length” # 2 4 6 5 7 常用的统计函数 函数 描述 length(x) 求x 中元素的个数 mean(x) 求x 的算术平均值 median(x) 求x 的中位数 var(x) 求x 的样本方差 ...
R语言:函数使用技巧(循环、if族/for、switch、repeat、ifelse、stopifnot) 1、循环 [plain] view plain copy print?在CODE上查看代码片派生到我的代码片 ##循环for iris allzl=unique(iris$setosa) for (i in 1:2){ pp=iris[iris$setosa==allzl[i],] ...
R语言中的 is.nan() 函数用于检查向量中是否包含任何NaN(Not a Number)值的元素。它为向量的所有元素返回一个布尔值。语法: is.nan(x)参数: x: 要检查的向量例子# R program to illustrate # the use of is.nan() function # Creating a v...
(length(Time) != length(ts)) {warning(messages[1]);return(ts)}# If the ts is not numeric, just return a zero vector and quitif(!is.numeric(ts)) {warning(messages[2]);return(zerovec)}# If the ts is too short, just return it and quitif((ts.length <- length(ts)) < min....
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