l*********d
发帖数: 254 | 1 我的问题是：
其实我不知道怎样写下面这个code， 于是就把所有能放的东西方在里面了，然后自己
运行了一下，什么也没得到。希望大家能给与指点，谢谢！
题目如下：
a) Below is the code that I used to simulate the data.
set.seed(9192)
time<-c(3,6,9,12,15,18,21,24,30,36,48,60)
epsilon<-rnorm(n = length(time), mean = 0, sd = 0.014)
beta0<-1
beta1<--0.001
potency<-beta0 + beta1*time + epsilon
set1<-data.frame(time, potency)
set1
#Batch #2 and #3
set.seed(1991)
epsilon<-rnorm(n = length(time), mean = 0, sd = 0.014)
potency<-beta0 + beta1*time + 0.01 + e | l****e
发帖数: 15 | | l*********d
发帖数: 254 | 3 I have figured it out. Thanks any way! |
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