Tag Archives: data analytics

Interpreting Data Using Statistical Models with R

Hits: 20 Interpreting Data Using Statistical Models with R   Introduction Statistical models are useful not only in machine learning, but also in interpreting data and understanding the relationships between the variables. In this guide, the reader will learn how to fit and analyze statistical models on the quantitative (linear regression) and qualitative (logistic regression) …

Data Science in R: Interpreting Data Using Descriptive Statistics with R

Hits: 68 Interpreting Data Using Descriptive Statistics with R   Introduction Descriptive Statistics is the foundation block of summarizing data. It is divided into the measures of central tendency and the measures of dispersion. Measures of central tendency include mean, median, and the mode, while the measures of variability include standard deviation, variance, and the …

How to implement Decision Trees in Python with Scikit-Learn

Hits: 77 How to implement Decision Trees in Python with Scikit-Learn Introduction A decision tree is one of most frequently and widely used supervised machine learning algorithms that can perform both regression and classification tasks. The intuition behind the decision tree algorithm is simple, yet also very powerful. For each attribute in the dataset, the decision …

Data Analytics – EASY IMAGE PROCESSING IN R USING THE MAGICK PACKAGE

Hits: 41 EASY IMAGE PROCESSING IN R USING THE MAGICK PACKAGE   This article describes how to perform image processing in R using the magick R package, which is binded to ImageMagick library: the most comprehensive open-source image processing library available. The magick R package supports: Many common formats: png, jpeg, tiff, pdf, etc Different manipulations types: rotate, scale, crop, …

Data Analytics – DISPLAY A BEAUTIFUL SUMMARY STATISTICS IN R USING SKIMR PACKAGE

Hits: 31 DISPLAY A BEAUTIFUL SUMMARY STATISTICS IN R USING SKIMR PACKAGE   This article describes how to quickly display summary statistics using the R package skimr. skimr handles different data types and returns a skim_df object which can be included in a tidyverse pipeline or displayed nicely for the human reader. Key features of skimr: Provides a larger set of …

Data Analytics – HOW TO EASILY MANIPULATE FILES AND DIRECTORIES IN R

Hits: 17 HOW TO EASILY MANIPULATE FILES AND DIRECTORIES IN R   This article presents the fs R package, which provides a cross-platform, uniform interface to file system operations. fs functions are divided into four main categories: path_ for manipulating and constructing paths file_ for files dir_ for directories link_ for links   Contents: Prerequistes Some Key R functions Basic usage Filter …

Data Analytics – GGHIGHLIGHT: EASY WAY TO HIGHLIGHT A GGPLOT IN R

Hits: 79 GGHIGHLIGHT: EASY WAY TO HIGHLIGHT A GGPLOT IN R   This article presents how to easily highlight a ggplot using the gghighlight package. Contents: Prerequisites Line plot Histogram Scatter plot Bar plot   Prerequisites Load required packages and set the default ggplot2 theme to theme_bw(). library(tidyverse) library(gghighlight) theme_set(theme_bw()) Line plot Basic line plot p <- …

Data Analytics – GGANIMATE: HOW TO CREATE PLOTS WITH BEAUTIFUL ANIMATION IN R

Hits: 203 GGANIMATE: HOW TO CREATE PLOTS WITH BEAUTIFUL ANIMATION IN R   This article describes how to create animation in R using the gganimate R package. gganimate is an extension of the ggplot2 package for creating animated ggplots. It provides a range of new functionality that can be added to the plot object in order to …