Tutorial Data Science

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CASE Statements in PostgreSQL

In this tutorial, you'll learn how to write conditional queries in PostgreSQL using the PostgreSQL CASE conditional expression.

3 April 2019

10 Command-line Utilities in PostgreSQL

In this tutorial, learn about 10 handy command-line utilities in PostgreSQL which can enable you to interact with databases efficiently.

29 Maret 2019

SQL with Power BI

In this tutorial, you'll learn how to connect Power BI to a Microsoft SQL Server database and then analyze the data to get insights.

28 Maret 2019

R Packages Tutorial: Install, Load, and Manage R Packages

Learn how to install, load, update, and manage R packages from CRAN, Bioconductor, and GitHub. Covers renv, devtools, and package documentation.

22 Mei 2026

Beginners Guide to SQLite

Learn the basics of SQLite databases from SQLite dot commands to an example of their practical applications using the command line interface.

22 Maret 2019

Importing Data Into R - Part Two

A tutorial on importing data into R. The focus is on reading data from sources like statistical software, databases, webscraping, and more.

18 Maret 2019

ggplot2 Histogram in R: Complete Tutorial with Examples

Learn to create and customize ggplot2 histograms in R, from basic plots to colored, faceted, and density-overlaid visualizations.

2 Juni 2026

Working with Spreadsheets in SQL

In this tutorial, learn how to import a spreadsheet into PostgreSQL and perform analysis on it.

15 Februari 2019

Getting Started with Spreadsheets

This tutorial will give you a basic understanding of the terminology in spreadsheets along with learning how to create a basic table.

14 Februari 2019

keras: Deep Learning in R

In this tutorial to deep learning in R with RStudio's keras package, you'll learn how to build a Multi-Layer Perceptron (MLP).

12 Februari 2019

Using Functions in R Tutorial

Discover what R functions are, the different type of functions in R, and how to create your own functions in R.

30 Maret 2023

15 Questions All R Users Have About Plots

There are different types of R plots, ranging from the basic graph types to complex types of graphs. Here we discover how to create these.

29 Januari 2019