# Tutor profile: Rajnish R.

## Questions

### Subject: R Programming

What is the best way to communicate the results of data analysis using R language?

The best possible way to do this is combine the data, code and analysis results in a single document using knitr for reproducible research. This helps others to verify the findings, add to them and engage in discussions. Reproducible research makes it easy to redo the experiments by inserting new data and applying it to a different problem.

### Subject: Machine Learning

How Logistic Regression is use in Binary Classification ?

Logistic regression is a statistical method for analyzing a dataset in which there are one or more independent variables that determine an outcome. The outcome is measured with a dichotomous variable (in which there are only two possible outcomes). For an example: for the sentiment classification if we want to check whether user reviews are positive or negative, for that we can take two category as two variable in Logistic Regression.

### Subject: Data Science

How does Data Science support business ?

Data Science is a blend of Statistics, technical skills and business vision which is used to analyze the available data and predict the future trend.

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