Useful tips for everyday
When should a researcher use stratified random sampling? While using stratified sampling, the researcher should use simple probability sampling. The population is divided into various…
What causes ceiling effect? A ceiling effect is said to occur when a high proportion of subjects in a study have maximum scores on the…
What is held out likelihood? Specifically, if you’ve estimated a model on one set of data, the held-out likelihood is the likelihood (or log-likelihood) of…
Is unsupervised learning harder than supervised learning? Unsupervised learning algorithms allow you to perform more complex processing tasks compared to supervised learning. Although, unsupervised learning…
Is KNN good for regression? As we saw above, KNN algorithm can be used for both classification and regression problems. The KNN algorithm uses ‘feature…
What is the goodness of fit telling you about the model? The goodness of fit test is used to test if sample data fits a…
Why do we multiply two independent events? The multiplication rule for independent events relates the probabilities of two events to the probability that they both…
How do you find the level of significance in data? To find the significance level, subtract the number shown from one. For example, a value…
Can ANOVA be used for between-subjects? Between-Subjects ANOVA: One of the most common forms of an ANOVA is a between-subjects ANOVA. This type of analysis…
What is the difference between independent samples t-test and dependent samples t-test? Dependent samples are paired measurements for one set of items. Independent samples are…