Sometimes one needs R to merge two tables. However, one can only import data in R from different tables, if there is a clear relationship between the tables. Therefore, please allow multible datasets...
Yes, an addition most urgent! A possible workaround (provided your filtered "parameters table" consists of only one record) would be to create a column of 1s in each of the tables and create a one to many relationship between the "parameters table" and the "base table". However, even in this, Power BI enforces cardinality on the level of original parameter and base tables that define your dataset rather than filtered parameter and base tables that you have in your report, and renders such a join inadmissible
