Revisiting “The Multicollinearity” Problem

What is Multicollinearity? As we already know that multicollinearity exists whenever two or more than two predictors in a model are moderately or highly correlated. One can think of why cant the researchers collect the data in a way that the predictor variables are not highly or moderately correlated. However, no researcher can control the … More Revisiting “The Multicollinearity” Problem

Understanding and Interpreting the Receiver Operating Characteristics Curve (ROC)

The above graph is called a Receiver Operating Characteristics curve (ROC). This plot shows the true positive rates (an event) against false positives (a non-event marked as event) rate at various cut points. An ROC Curve demonstrates several things: It shows a trade off in between sensitivity (recall and specificity (true negative rate) and any … More Understanding and Interpreting the Receiver Operating Characteristics Curve (ROC)

A Beginners Guide to Hypothesis Testing: Hypothesis Made Simple

What is a hypothesis? A hypothesis is a primary method in research. It is considered as an assumption for research work to be tested. The main function of a hypothesis is to suggest new observations or experiments. A hypothesis as a word is pretty interesting and has two concepts. Considering the fact that Hypothesis is … More A Beginners Guide to Hypothesis Testing: Hypothesis Made Simple

10 R Powered Visualizations for Power BI Dashboards

While Power BI continues to introduce features and plugins to make this application one stop shop for performing descriptive, predictive and prescriptive analysis. As we all know that Power BI has the capability to embed R Scripts and Visualizations without any fuss. To make things more interesting Microsoft Power BI team has introduced 10 most … More 10 R Powered Visualizations for Power BI Dashboards

Best Naive Bayes Video/Tutorial Collection – Top 20

Naive Bayes is a supervised classification algorithm which is based on the Bayes rule of conditional probability. It is considered to be one of the robust classification techniques and has many times outperformed its sophisticated counterparts like Decision Trees, Random Forests, KNN etc. This article includes a curated list of Naive Bayes videos that can … More Best Naive Bayes Video/Tutorial Collection – Top 20

Health Care Industry’s Savior: Benford’s Law “The Law of the First Digit”

As the world is getting more tech savvy and advancements made in the information technology especially in the healthcare industry has opened areas in data mining and machine learning. Within the area of data mining one technique which has gained a lot of popularity as well as skepticism amongst the auditors and fraud detectives is … More Health Care Industry’s Savior: Benford’s Law “The Law of the First Digit”