Q. Explain commonly used R packages in Data Science?
Explain is precision in Data Science?
The ration of predicted positive against the actual positive.
It is the most commonly used error metric is n classification mechanism.
The range is from 0 to 1, where 1 represents 100%.
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Q. In Data Science What is recall?
A. The ratio of the true positive rate against the actual positive rate.
The range is again from 0 to 1
Q. What Is Logistic Regression in Data Science?
A. It is a statistical technique or a model in order to analyze a dataset and predict the binary outcome. The outcome has to be a binary outcome that is either zero or one or a yes or no.