## 217. Contains Duplicate – Leetcode Problem Solution

Here is the solution of Contains Duplicate leetcode problem. Given as array of integers num, return true if a value occurs at least twice in the array and return false if each element is distinct. Example 1: Input: nums = [1,2,3,1] Output: true Example 2: Input: nums...

## NumPy – Mathematical Computing with Python

NumPy is considered to be the fundamental package for scientific computing in python. It is a Python library that provides a multidimensional array object, various derived objects (such as masked arrays and matrices), and an assortment of routines for fast operations...

## Hypothesis Testing

Hypothesis testing is an inferential statistical technique that determines if a certain condition is true for the population. Hypothesis test studies two opposing hypotheses about a population. Alternative hypothesis (H1) A statement that has to be concluded as...

## Introduction to Statistics for Data Analytics

Statistics is the study of the collection, analysis, interpretation, presentation, and organization of data. It’s widely used to understand the complex problems of the real world and simplify them to make well-informed decisions. Tools available to analyze data:...

## Data Analytics Communication

Data Analytics Communication is the last step where the analyzed data is formally presented to stakeholders. Use of several data visualization techniques makes communication effective.  Data analysis can be presented in various forms: – Visual GraphsPlotting...