Johan  Rosa

Johan Rosa

244,618 XP Earned
48 Courses completed
2,660 Exercises Aced

Johan 's XP per Topic (Courses Only)

Data Engineering

0 XP

Programming

64686 XP

Importing & Cleaning Data

21300 XP

Data Manipulation

18185 XP

Data Visualization

21940 XP

Probability & Statistics

38790 XP

Machine Learning

25310 XP

Applied Finance

0 XP

Reporting

14200 XP

Case Studies

8300 XP

Management

0 XP

Other

0 XP

Johan 's Completed Tracks

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R Programming

Learn about fundamental data types, logic, and how to create your own functions using the R language.

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Importing & Cleaning Data

with R

Learn how to parse data from flat files, statistical software, databases, websites, and more.

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Data Analyst

with R

A Data Analyst collects, processes, and creates visualizations in order to gain insights from complex data sets.

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Intro to Statistics

with R

Learn the key statistical concepts and techniques used by statisticians and data scientists every day.

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R Programmer

An R Developer uses their programming skills to wrangle data and build tools for data analysis.

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Data Scientist

with R

A Data Scientist combines statistical and machine learning techniques with R programming to analyze and interpret complex data.

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Johan 's Completed Courses

Johan 's Completed Projects

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Scout your Athletics Fantasy Team
Analyze athletics data to find new ways to scout and assess jumpers and throwers.
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Who Is Drunk and When in Ames, Iowa?
Flex your tidyverse muscles on breath alcohol test data from Ames, Iowa, USA.
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Predict Taxi Fares with Random Forests
Use regression trees and random forests to find places where New York taxi drivers earn the most.
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Visualizing Inequalities in Life Expectancy
Compare life expectancy across countries and genders with ggplot2.
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Exploring the Kaggle Data Science Survey
Discover the top tools Kaggle participants use for data science and machine learning.
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Phyllotaxis: Draw Flowers Using Mathematics
Use R to make art and create imaginary flowers inspired by nature.
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Level Difficulty in Candy Crush Saga
Analyze data from the hit mobile game, Candy Crush Saga.
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Dr. Semmelweis and the Discovery of Handwashing
Reanalyse the data behind one of the most important discoveries of modern medicine: handwashing.
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Introduction to DataCamp Projects
If you have never done a DataCamp project, this is the place to start!
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