Statistical tools
Quick Calculus from GraphPad site. Access here.
Free statistical calculations. Access here.
Effect size calculators. Access here.
About Pearson’s correlation test. Access here.
Interesting comments on Statistics interpretation. Access here.
Power and Size calculator. Access here.
A webpage dedicated to sample size calculation. Very useful! Contains instructions of how to apply. Calculator here. Instructions here (in Portuguese, from CEUA/CCS/USP)
Video (YouTube) revealing the calculation of the ‘n’ for paired and unpaired experiments (considering the difference between treated and the reference).
Video (YouTube) revealing the calculation of the ‘n’ when you have the mean of a certain variable, the expected error admitted.
A paper (in Portuguese) referring to the calculation of the ‘n’. Access here.
About statistical methods (ARRIVE). Access here.
