Posted inR Programming
Arithmetic and Variable Assignment in R
Do you know how arithmetic operations are performed in R? Watch this video that shows how to perform basic arithmetic operations in R and how to assign values to variables.…
Posted inR Programming
R Data Structures – Vectors
Vectors are one dimensional arrays that can hold numeric, character, or logical data. Watch this video that shows how to create different types of vectors in R and how to…
Posted inR Programming
Data Types in R
Do you know what data types are used in R? Watch this video that explains the basic data types in R, how to check their classes, and how to convert…
Posted inR Programming
A Quick Tour of RStudio Interface
Now you have R and RStudio installed in your machine, get a quick tour on RStudio main screen. https://youtu.be/ObaxP2x-goQ Register for the "Learning R Programming for Data Science" course to…
Posted inR Programming
Installing R and RStudio
Ready to start your journey to be a Data Scientist? Start off by getting introduced to R Programming Language. Do you know what R Language is, anyways? Watch this video…
Posted inPower of Microsoft Office
Excel Tip: Using Paste Special to Perform Simple Calculations
You can perform a simple calculation (division, multiplication, addition, or subtraction) on a list of numbers without the need to write formulas. Is this possible?! With Paste Special tool in…
Posted inPower of Microsoft Office
Excel Tip: Using Conditional Formatting to Warn on Deadlines
Suppose that you manage a set of suppliers’ agreements which start and expire on specific dates. You need to be warned on the expiry of any agreement, say, 10 days…
Posted inPower of Microsoft Office
Excel Tip: Calculate Difference in Hours between Two Dates
From time to time, people approach me with an Excel problem that looks easy to calculate while, unfortunately, there’s no straightforward solution to it. The problem is calculating the difference…
Posted inPower of Microsoft Office Six Sigma
Interrelationship Digraph: PART TWO
In this part of “Interrelationship Digraph: Demystifying Complex Relationships” video I explain how we can use the Interrelationship Matrix to reflect results of the Interrelationship Digraph. I also show how…
Posted inPower of Microsoft Office Six Sigma
Interrelationship Digraph: PART ONE
Interrelationship Digraph or Relations Diagram is one of the seven Management and Planning Tools that helps us analyze the cause-and-effect relationships among different issues in a complex situation. It also…