Useful tips for everyday
What are the rules for ln ( x ) in logarithm? f ( x) = ln ( x) ⇒ f ‘ ( x) = 1…
How do you find the standard deviation of an independent variable? Standard Deviation of the Sum/Difference of Two Independent Random Variables. Sum: For any two…
Can a gene have multiple transcripts? However, a single gene can produce multiple transcripts and these can be very different one from the other (see…
How does random forest Regressor work? Random forest is a type of supervised learning algorithm that uses ensemble methods (bagging) to solve both regression and…
What is a statistic in statistics example? A statistic is a number that represents a property of the sample. For example, if we consider one…
How do you measure speech recognition accuracy? The industry standard to measure model accuracy is Word Error Rate (WER). WER counts the number of incorrect…
When do we have more instrumental variables than endogenous variables? When we have the same number of endogenous and instrumental variables, we say the endogenous…
What do you mean by correlation between two variables? Correlation is a statistical measure that expresses the extent to which two variables are linearly related…
How do you create a correlated normal variable? To generate correlated normally distributed random samples, one can first generate uncorrelated samples, and then multiply them…
How to do power analysis for paired sample? The type of power analysis being performed is noted to be an ‘A Priori’ analysis, a determination…