Useful tips for everyday
When should you stop losing training? Underfitting means that model is not able to classify any of the samples even after learning them. The model…
Can you interpret main effects and interactions? Yes – you can still interpret the main the effects. The problem is that the main effects mean…
How do you find the variance of a regression line? Var(kX)=k2Var(X). Var(X1+X2)=Var(X1)+Var(X2), for X1,X2 independent – or in short, when you have independence, ‘variances add’.…
Should explained variance be high or low? Variance explained by factor analysis must not maximum of 100% but it should not be less than 60%.…
What is integration in QA? Integration testing (sometimes called integration and testing, abbreviated I) is the phase in software testing in which individual software modules…
What is a test scenario in usability testing? Imagine your product was live and you could interrupt someone who was using it and ask, “Why…
How do you automate test cases manual to automation? Translation of Manual Test Cases into Automation Scripts Step 1: Perform and Execute. Step 2: Divide…
What are assertions in SOAP UI? Assertions are used to validate the message received by a TestStep during execution, usually by comparing parts of the…
What is API mocking tool? WireMock is a simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server. It…
Can JMeter be used for regression testing? Well, it can! With each version, JMeter provides more and more out-of-the-box functional test elements available. Due to…