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Tag Archives: data-science

Data Science is an interdisciplinary field that focuses on extracting knowledge from data sets which are typically huge in amount. The field encompasses analysis, preparing… Read More
Wikipedia defines optimization as a problem where you maximize or minimize a real function by systematically choosing input values from an allowed set and computing… Read More
Did you think data is only for big companies and corporations to analyze and obtain business insights? No, data is also fun! There is nothing… Read More
The Shapiro-Wilk’s test or Shapiro test is a normality test in frequentist statistics. The null hypothesis of Shapiro’s test is that the population is distributed… Read More
The two-proportions z-test is used to compare two observed proportions. For example, let there are two groups of individuals: Group A with lung cancer: n… Read More
Wikipedia defines optimization as a problem where you maximize or minimize a real function by systematically choosing input values from an allowed set and computing… Read More
Wikipedia defines optimization as a problem where you maximize or minimize a real function by systematically choosing input values from an allowed set and computing… Read More
XGBoost is a fast and efficient algorithm and used by winners of many machine learning competitions. XG Boost works only with the numeric variables. It… Read More
Collaborative Filtering is a technique or a method to predict a user’s taste and find the items that a user might prefer on the basis… Read More
Let us see how to add a Pandas series to another series in Python. This can be done using 2 ways : append() concat() Method… Read More
What’s a multivariate optimization problem? In a multivariate optimization problem, there are multiple variables that act as decision variables in the optimization problem. z =… Read More
In a multivariate optimization problem, there are multiple variables that act as decision variables in the optimization problem. z = f(x1, x2, x3…..xn) So, when… Read More
User-Based Collaborative Filtering is a technique used to predict the items that a user might like on the basis of ratings given to that item… Read More
Do you know what is a “Unicorn Employee”? Well, in today’s times that is someone who is multi-talented, works hard, and is ready to go… Read More
The strength of the association between two variables is known as the correlation test. For instance, if one is interested to know whether there is… Read More