To be globally recognized digital masters, that’s our vision at Rootstrap. And we are convinced that to get there we should hire the right people. We seek those that will help us continue to offer a premium service, create remarkable products and be the perfect addition to our creative and
The data never comes perfect. There is always missing information, different formats, or it is full of useless information for your analysis. The process of data cleaning consists of the correction and transformation of the values, standardizing all the formats, fixing encoding, removing unnecessary information, splitting columns and extracting relevant
We are currently experiencing the negative impacts of the novel Coronavirus. This virus has quickly changed our lives and has left many of us feeling confused and fearful of what’s to come. As engineers and data scientists – we want to help make sense of the overwhelming amount of data
In this article you can find explanations for statistical concepts such as Statistical hypothesis test, used for answering questions about sample data and validating assumptions. In addition, it is provided a list of concepts regarding sampling distribution. Finally, we discuss the relationship between variance and bias. Statistical hypothesis testing States
In this article, you will find basic information about distributions. It is expected that you have some knowledge about random variables and probability concepts such as variance, covariance, and expected value. You can find that information on Understanding Basic Statistics for Machine Learning Models – Part 1. What is a
Yet Another Active Form | Using form objects in Rails Apps Introducing Yet Another Active Form yaaf, a gem to ease the usage of the form object pattern in rails apps. Form Object Pain Points The form object pattern is widely used across Rails apps, and yet we tend to write
If you want to understand machine learning algorithms, it is very important to have basic statistical knowledge to understand what is behind them. Understanding how the algorithm operates gives you the possibility of configuring the model according to what you need, as well explaining with more confidence the results obtained
Being a data scientist requires a mix of skills that anyone can develop. You only need patience, time and be willing to undergo a process of trial and error. You need to understand businesses and be able to adapt to different situations according to the business’ needs. Another important skill
Why should we care about Data Science? Nowadays more and more data is being generated by smartphones, social media, health, banks, stores, online services, governments, sensors, etc. Every piece of information is saved ‘just in case’. Thus, the available data cannot be processed by human’s brains, we need algorithms and
Introduction In the first part of this article we mentioned some important design principles and how they are not respected when overusing patterns and techniques that come with Ruby on Rails. In this part we will continue to investigate these and how we can mitigate the problems they cause to maintainability. Overused
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