basis functions are the mathematical building blocks used to transform input data into a form that a model can learn from.Think of it like a mathematical “lens” to represent data in a new way.. Let’s go through the common models and their implicit or explicit basis functions in a compact way Linear Regression / Logistic […]
Correlation, also called as correlation analysis, is a term used to denote the association or relationship between two (or more) quantitative variables. This analysis is fundamentally based on the assumption of a straight-line [linear] relationship between the quantitative variables. Similar to the measures of association for binary variables, it measures the “strength” or the “extent”
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Joins in SQL helps to combine rows of different tables based on a common column. Customer ID Name 1 Alice 2 Bob 3 Charlie Order ID Customer ID Product 101 4 Laptop 102 2 Phone 103 5 Laptop INNER JOIN returns matching rows from both tables. Customer ID Name Order ID Product 2 Bob 102
JOINS; LEFT, RRIGHT and INNER JOINS! Read More »
Window function calculates values over all rows and provide a value for each row in contrast to the Aggregate function which provides single value for the group. Window function in SQL always require the OVER() clause, which is the window holding the set of rows over which the function operates.The functions are generally grouped into
Window function in SQL! Read More »