Alumni
Nikolai Janakiev
Nikolai is a professional and passionate Data Scientist. He studied to become an MSc. in Applied Image and Signal Processing in Austria and continues to explore and create insights from data.
LinkedIn
Twitter
Website
GitHub
1
articles
429,712
views
Basic Statistics
6 years ago
Understanding the Covariance Matrix
Nikolai Janakiev
Most Popular Articles
Understanding the Covariance Matrix
by
Nikolai Janakiev
How to Create, Rename, Recode and Merge Variables in R
by
DataScience+
How to Perform a Logistic Regression in R
by
Michy Alice
Clean Your Data in Seconds with This R Function
by
Naeemah Aliya Small
Imputing Missing Data with R; MICE package
by
Michy Alice
Time Series Analysis Using ARIMA Model In R
by
Subhasree Chatterjee
How to Perform T-tests in R
by
Chris Wetherill
Aggregate – A Powerful Tool for Data Frame in R
by
David Kun
Categories
Introduction
Getting Data
Data Management
Visualizing Data
Basic Statistics
Regression Models
Advanced Modeling
Programming