Useful tips for everyday
What is the time complexity of hierarchical clustering? If the number of elements to be clustered is represented by n and the number of clusters…
How many experimental trials are needed? Each time that you perform your experiment is called a run or a trial. So, your experimental procedure should…
How to do gene expression analysis in microarray? Microarray data analysis • begin with a data matrix (gene expression values versus samples) Typically, there are…
What is a bit error rate tester? A bit error rate tester (BERT), also known as a “bit error ratio tester” or bit error rate…
Is fuzzy logic still useful? Fuzzy logic has been successfully used in numerous fields such as control systems engineering, image processing, power engineering, industrial automation,…
How to compare regression coefficients, include an interaction? But if you want to compare the coefficients AND draw conclusions about their differences, you need a…
How do you know if a coefficient is negative? if one of the independent variable values are too high as compared to others independent variables,…
How do you ask a sensitive question? How to ask sensitive questions Be a good chap. The conversation shouldn’t feel like an interrogation, but a…
Is it true that log ( x * y ) is logx + logy? Here, for example, try with y=1. No, according to the property…
Is the product of two sub Gaussian random variables sub-exponential? Using Orlicz norms allows to straightforwardly implies the following facts: 1. squared Sub-Gaussian random variable…