SQL SELECT Basic syntax: SELECT and FROM There are two required ingredients in any SQL query: SELECT and FROM—and they have to be in that order. SELECT indicates which columns you'd like to view, and FROM identifies the table that they live in. Let’s start by looking at a couple columns from the housing unit table:

Q.1 Create a file via touch and update that file and also verify the timestamp and output will be redirected to another file. Here I am adding screenshot to visualize and for easy understand. Step 1: Create a new directory using “mkdir”. Step 2: Go to that directory using “cd” command. Step 3: Use touch command to create a file. Check whether the file created or not using “ls” command. Step 4: Check…

Overview Ridge and Lasso Regression are types of Regularization techniques Regularization techniques are used to deal with overfitting and when the dataset is large Ridge and Lasso Regression involve adding penalties to the regression function Brief Overview Ridge and Lasso regression are powerful techniques generally used for creating parsimonious models in presence of…

Introduction While dealing with Linear Regression we can have multiple lines for different values of slopes and intercepts. But the main question that arises is which of those lines actually represents the right relationship between the X and Y and in order to find that we can use the Mean Squared…

What’s the difference?

One of the most basic concepts in statistics is hypothesis testing. Not just in Data Science, Hypothesis testing is important in every field. Want to know how??? Let us take an example. You must have heard about lifebuoy?? Suppose lifebuoy claims that, it kills 99.9% of germs. So how can…

INTRODUCTION In statistics, there are three kinds of techniques that are used in the data univariate data analysis. These are univariate analysis, bivariate analysis, and multivariate analysis. How the data analysis technique is selected is based on the variable number and the data type. …

Descriptive statistics are used to describe the basic features of the data in a study. They provide simple summaries about the sample and the measures. Together with simple graphics analysis, they form the basis of virtually every quantitative analysis of data. Descriptive Statistics are used to present quantitative descriptions in…