### Permutations in R

During the interview process for Data Science positions, it is likely to be asked to calculate Combinations or Permutations. Today ... Read morePermutations in R
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During the interview process for Data Science positions, it is likely to be asked to calculate Combinations or Permutations. Today ... Read morePermutations in R
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What is the daily correlation of Confirmed versus Death Cases in Covid-19. In other words, the people who have passed ... Read moreCovid19: Correlation Between Confirmed Cases and Deaths

[Read more...]Few words about Trading Strategies One of the biggest challenges is to predict the Market. Many people have developed their ... Read moreHow to Backtest your Crypto Trading Strategies in R
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For Data Science positions, during the interview process, is common to ask questions about Statistics and Probabilities. We will provide ... Read moreInterview questions about Stats and Probabilities
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When we are dealing with large datasets and there is a need to calculate some values like the row/column min/max/rank/mean ... Read moreAvoid apply() function in large datasets

[Read more...]For Data Science positions that require some knowledge of Statistics and Programming skills, is common to ask questions like those ... Read moreR Exercises – Interview Questions (Stats and Simulation)
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Today, we will show how you can easily get the Cryptocurrency Prices using R. We will work with the crypto ... Read moreHow to get Cryptocurrency prices in R
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Edit Distance for measuring the Text Distance Today we will talk about text similarities and how we can “calculate” a ... Read moreHow to Apply Text Distances and Fuzzy Joins
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At this post, we will show you how you easily apply Stacked Ensemble Models in R using the H2O package. ... Read moreHow to build Stacked Ensemble Models in R

[Read more...] We will work with the Breast Cancer Wisconsin dataset, where we will apply the K-Means algorithm to the individual’s features ignoring the ... Read moreHow to determine the number of Clusters for K-Means in R

[Read more...] In the previous post, we showed how we can assign values in Pandas Data Frames based on multiple conditions of ... Read moreR: How To Assign Values Based On Multiple Conditions Of Different Columns

[Read more...]In the real data world, it is quite common to deal with Missing Values (known as NAs). Sometimes, there is ... Read moreHow to Impute Missing Values in R
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One of the most popular web pages about Covid-19 is the worldometers which provides a detailed report about Coronavirus cases ... Read moreWeb Scraping worldometers for Coronavirus
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This post is about COVID-19 and we will an example of how you can get the data of the daily ... Read moreReport Coronavirus (COVID-19) in R

[Read more...]In statistics, the Mann–Whitney U test (also called Wilcoxon rank-sum test) is a nonparametric test of the null hypothesis that ... Read moreHow to apply the Mann-Whitney U Test in R
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