cluster-analysis - 使用 Daisy 获取 "invalid type character"错误

Question

我有一个包含混合数据类型(整数、字符和逻辑)的数据框，我试图将其与 Daisy 聚类。

我正在使用:

gower_dist <- daisy(relchoice, metric = "gower")

并得到:

Error in daisy(relchoice, metric = "gower") : 
invalid type character for column numbers 3, 4, 5, 7, 8, 10, 13, 14, 15, 16, 
21, 29, 31, 32invalid type character for column numbers 3, 4, 5, 7, 8, 10, 
13, 14, 15, 16, 21, 29, 31, 32invalid type character for column numbers 3, 
4, 5, 7, 8, 10, 13, 14, 15, 16, 21, 29, 31, 32invalid type character for 
column numbers 3, 4, 5, 7, 8, 10, 13, 14, 15, 16, 21, 29, 31, 32invalid type 
character for column numbers 3, 4, 5, 7, 8, 10, 13, 14, 15, 16, 21, 29, 31, 
32invalid type character for column numbers 3, 4, 5, 7, 8, 10, 13, 14, 15, 
16, 21, 29, 31, 32invalid type character for column numbers 3, 4, 5, 7, 8, 
10, 13, 14, 15, 16, 21, 29, 31, 32invalid type character for column numbers 
3, 4, 5, 7, 8, 10, 13, 14, 15, 16, 21, 29, 31, 32invalid type character for 
column numbers 3, 4, 5, 7, 8, 10, 13, 14, 15, 16, 21, 29, 31, 32invalid type 
character for column numbers 3, 4, 5, 7, 8, 10, 13, 14, 15, 16, 21, 29, 31, 
32

希望得到一些帮助。

Answer 1

我能够通过将分类字段转换为因子数据类型来解决这个问题，例如:

df$job <- as.factor(df$job)