错误:美学必须长度为1，或与数据问题相同长度:当省略NA时，personCategoryz。

I'm trying to create a graph using titanic dataset that looks at women, children, and men and their survival rates. I've created new categories to read the data from, but keep coming up with error messages when i try to do more beyond that point. I'm trying to create a graph using titanic data