project_skills.skill_id = 7) as s on projects.id = s.skill_id;| count(*) |
+----------select project_frameworks.framework_id from project_frameworks where project_frameworks.framework_id = 3)where project_frameworks.framework_id = 3) as f on projects
我有一个数据框架和一个关键字列表来确定我的数据框架是否包括这样的关键字列表。如果关键字包含在数据框架中,我想知道新创建的列中有哪些单词。所以,这就是我的数据1 // this is a skill for xoobst3 // logistic regressionresult <- df[grep(keyword, df$skill