How can we increase adjusted R squared and fitted significant value? (Amhraic tutorial)

[@seadamohammed9478]

Dear Jemal, I would like to express my heartfelt gratitude for your kindness. please keep it up!

[@hachalubalcha2972]

Thank you a lot for your nice presentation! but still I need some tips how to increase the adjusted R square value and how much % is advisable for adjusted R square to go further interpretation! if there something pre conceptualized or agreed up on