Thank you sir.. you are really a good online teacher with good explanation. I have one question. When I should apply Linear mixed effect model considering different types of metal contents in soil? Is it possible to apply it to my meta analysis? Which soft I can simply apply Linear mixed effect for free, except R and chat gpt. Advance thanks.
Sir can finance people do meta analysis research based on secondary paper result they dont have any sample size like primary study paper ... Plz explain