我正在尝试使用 mlogit 包对我的数据运行排序 logit。我让参与者从 24 个选项中选出他们的前三名，然后按偏好顺序对它们进行排名。当我尝试使用 mlogit.data 命令准备数据进行分析时，我不断收到以下错误：
Error in rep(k, Z) : invalid 'times' argument
我想知道这个错误是否与排名关系有关。在 24 个备选方案中，参与者仅排名第 3，其余为空白。从那以后，我用 4s 替换了空白。我的数据如下所示：
head(t)
id ch.1 ch.2 ch.3 ch.4 ch.5 ch.6 ch.7 ch.8 ch.9 ch.10 ch.11 ch.12 ch.13
1 4 4 4 4 4 4 4 4 4 4 4 4 2
2 4 4 4 4 4 2 4 4 4 4 4 3 4
3 4 4 4 4 4 4 4 4 4 4 2 4 4
4 4 4 4 4 4 4 4 1 4 4 4 4 2
5 4 4 4 4 1 4 4 4 4 4 4 4 3
6 3 4 4 4 4 4 4 4 2 4 4 4 4
ch.14 ch.15 ch.16 ch.17 ch.18 ch.19 ch.20 ch.21 ch.22 ch.23 ch.24
4 4 4 4 1 4 4 4 4 3 4
4 4 4 4 4 4 4 1 4 4 4
4 4 4 4 4 4 4 3 4 1 4
4 4 3 4 4 4 4 4 4 4 4
4 4 4 4 4 4 4 4 4 2 4
4 4 4 4 4 4 4 4 4 1 4
gender condition
0 0
1 0
0 1
1 1
0 0
1 1
可重现示例的代码：
ch.1 <- c(4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.2 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.3 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.4 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 3, 4, 2)
ch.5 <- c(4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 4, 2, 4,
4, 4, 4, 4)
ch.6 <- c(4, 2, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.7 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.8 <- c(4, 4, 4, 1, 4, 4, 3, 4, 3, 4, 4, 3, 4, 2, 4, 4, 4, 4, 4, 4,
2, 4, 1, 4)
ch.9 <- c(4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.10 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.11 <- c(4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4,
4, 4, 4, 4)
ch.12 <- c(4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4,
4, 4, 4, 3)
ch.13 <- c(2, 4, 4, 2, 3, 4, 1, 4, 2, 4, 2, 4, 4, 1, 2, 2, 4, 4, 4, 4,
3, 4, 4, 4)
ch.14 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.15 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.16 <- c(4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 3, 4,
4, 4, 4, 4)
ch.17 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.18 <- c(1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 2,
1, 4, 4, 4)
ch.19 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4,
4, 4, 4, 4)
ch.20 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3,
4, 1, 4, 4)
ch.21 <- c(4, 1, 3, 4, 4, 4, 4, 1, 4, 4, 1, 2, 3, 4, 4, 1, 4, 1, 4, 4,
4, 4, 3, 4)
ch.22 <- c(4, 4, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
ch.23 <- c(3, 4, 1, 4, 2, 1, 2, 4, 4, 1, 4, 4, 2, 3, 3, 3, 1, 4, 4, 1,
4, 2, 2, 1)
ch.24 <- c(4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4)
gender <- sample(c(0,1), 24, replace=T)
condition <- sample(c(0,1), 24, replace=T)
t <- cbind(ch.1, ch.2, ch.3, ch.4, ch.5, ch.6, ch.7, ch.8, ch.9, ch.10,
ch.11, ch.12, ch.13, ch.14, ch.15, ch.16, ch.17, ch.18, ch.19, ch.20,
ch.21, ch.22, ch.23, ch.24, gender, condition)
t <- as.data.frame(t)
G <- mlogit.data(t, shape="wide", choice="ch", varying=1:24, ranked=TRUE)
Error in rep(k, Z) : invalid 'times' argument
感谢您提供的任何见解，如果 mlogit 无法处理此数据，是否有人有任何其他建议？