Questions tagged [meta-analysis]

I have a large dataset that covers 5 countries. I plan to build a prediction model using this dataset. I would like to compute a ROC curve for each country, and then one overall ROC curve for all countries. To go about this, I plan to either: Build…

I tried to conduct a meta-analysis in both metafor from R and Review Manager from Cochrane using Standardized Mean Difference. While the SMD for each of the study is matching, the total effect size of the two software was a little different. I tried…

The two terms are frequently used in statistical methods. I find that statistical reasoning/ theory support meta analysis. What is real relation between two terms? Help me to understand the two concepts.