vicky428的博客r=matrix(0,nrow(f),ncol(f)) for (i in 1:nrow(f)){ m[i,1]=xint%*%as.numeric(f[i,]) v[i,1]=((xint-m[i,1])^2%*%as.numeric(f[i,]))^(1/2) # xmu[i,1]=log(m[i,1]^2/(1+v[i,1]/m[i,1]^2)^(1/2)) # xsigma[i,1]=...
等月光倾洒的博客 // ["or", index: 6, input: "To be or not to be", groups: undefined] 数组方法 splice()对数组进行删除修改,返回被删除的元素组成的数组,改变原数组 // splice(index,length,增加的元素1,增加的元素2....,增加...