yes, you could draw from multiple data sources at the same time. csv_data %<-% read.csv("myfile.csv") tsv_data %<-% read.tsv("otherfile.tsv") csv_data %

yes, you could draw from multiple data sources at the same time. csv_data %<-% read.csv("myfile.csv") tsv_data %<-% read.tsv("otherfile.tsv") csv_data %>% left_join(tsv_data, by = "id_user")