Blog — Roberto Reif

Technology and Data Trainings

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Learning Models

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Color Palette Extractor

Engaging in New Activities

Common Data Problems: Missing Values

Success Depend on Skill and the Right Fit

Organizational Dilemma

Model Fitting: Classification

Facts Matter

Our Problems Shrink When Health Fades

Model Fitting: Regression

Live In The Now

Garbage In, Garbage Out

Your Mind, Your Choice

Will This Matter In 5 Years?

Model Fitting

Avoid Being the Smartest Person in the Room

Online Applications Disappear into Black Holes

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Without Change, We Will Keep Repeating the Same Mistakes

Wrong Turns are Opportunities to Recalculate and Try Again

Innovation Workflow

Energy Levels of People Pleasers Vs. People who Hold Boundaries

Managing Overlapping Data Points

PIE CHARTS: For Emphasis Avoid Explosion, Use Color Highlights

A Few Bad Days Does Not Equal A Bad Life

When Making Big Changes, Run Towards Exciting Opportunities Rather Than Escaping Difficult Situations

If You Want to Master Something, Teach It!

PYTHON LISTS: Slicing

NEURAL NETWORKS: Neuron

PYTHON LISTS: Index

Sometimes Things Must Break In Order To Glow

PYTHON LISTS: Pop

Gridline Tips

People Notice the Decisions you Made, Not the Choices you Had

PYTHON LISTS: Reverse

Avoid Distractions

PYTHON LISTS: Indexing

A Year From Now, You Will Wish You Had Started Today

PYTHON LISTS: Count

Law of Attraction

Color Contrast

PYTHON LISTS: Sort

Connecting the Dots

PYTHON LISTS: Append versus Insert

Every Rejection is a Redirection

The Spotlight Effect

Being Busy does not Equate to Being Productive

3D Charts Distort Data

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Managing a Busy Life

PYTHON LISTS: Remove

Pie Versus Bar Charts

PYTHON LISTS: Append versus Extend

Why is a Number Raised to the Power of 0 Equal to 1?

Every No Means You Are One Step Closer to A Yes

Pie Chart Limitations - Too Many Slices!

Embrace Change, It Is The Only Constant In Life

Compare Yourself To Who You Were Yesterday, NOT To Someone Else

Impact: the reason why companies will hire you

What can ordering pizza teach us about good visualizations?

Quantitative Drawbacks When Using Word Clouds For Text Analysis

Improve the Prediction for the World Cup Bracket by Selecting the Team with the Highest Group Stage Points

Improve the Prediction for the World Cup Group Stage Games by Never Predicting Ties

Impact of Sample Size on Transfer Learning

Impact of Sample Size on Transfer Learning

Image Based Product Recommendation System

Image Based Product Recommendation System

Limitations of Applying Dimensionality Reduction using PCA

Limitations of Applying Dimensionality Reduction using PCA

Importance of Feature Scaling in Data Modeling (Part 2)

Importance of Feature Scaling in Data Modeling (Part 2)

Importance of Feature Scaling in Data Modeling (Part 1)

Displaying Images in Tableau (with some help from Python)

Displaying Images in Tableau (with some help from Python)

Why you should be careful when averaging percentages

Why you should be careful when averaging percentages

Plotting Functions – Part 2: Using Polar Coordinates

Plotting Functions – Part 1: Using Cartesian Coordinates

Plotting Functions – Part 1: Using Cartesian Coordinates

Create Map Paths Using Great Circles

Create Map Paths Using Great Circles

3D Drawings with Stripes

3D Drawings with Stripes

How to Make Circular and Polygon Radial Charts

How to Make Circular and Polygon Radial Charts

Become A US President With Only 22% Of The Popular Vote

Become A US President With Only 22% Of The Popular Vote

Drawing with Straight Lines

Drawing with Straight Lines

Forecasting Elections

Rotationally Invariant Charts

Rotationally Invariant Charts