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So whether selecting the type of data which would be analyzed, the number of groups being compared or the type of analysis being conducted, finding the sample size method for your study is an easy task. You can also use the search bar to search for the table name that's appropriate for your study.
Created by sample size experts, nQuery boasts 100s of validated sample size tables & procedures, complete with an extensive list of features for sample size calculation and power analysis. This is why it is the #1 choice for researchers and Biostatisticians worldwide.
Plot Power Vs Sample Size
Use the graphing tools to explore and compare your adaptive trial design. Then easily share your conclusions with all trial stakeholders.
Are events happening as expected?
Events prediction is central to any large trial involving survival analysis. nQuery Predict provides tools to project future events based on both blinded and unblinded designs
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