Analytics

Understanding Natural Growth: Why We Should Be Using the Logistic Function to Model Covid-19

Tim Vlamis March 30, 2020

Understanding Natural Growth: Why We Should Be Using the Logistic Function to Model Covid-19 Very few things in living systems grow in straight lines. They tend to follow growth patterns that accelerate and then decelerate.

Outliers, Self-Importance, and Shared Understanding

Tim Vlamis August 21, 2019

I recently attended another overview of machine learning and analytics, but this time it was at my business school’s reunion and delivered by one of the most prominent thought leaders in the world of analytics.

Machine Learning and You: K-Means Clustering

Tim Vlamis May 11, 2018

We are seeing a tremendous amount of interest in people wanting to learn more about machine learning, AI, data mining, and predictive analytics. Our presentations addressing these topics are often some of the best attended

Dan and Tim are Presenting at Oracle OpenWorld 2017

Vlamis Staff July 12, 2017

We are thrilled to announce that Dan Vlamis and Tim Vlamis will be presenting at Oracle OpenWorld in San Francisco October 1-5, 2017. This year presentations include: Using Ravello in the Cloud as a Customer

For Organizations New to Predictive Analytics, Bet on a Process and Not on a Project

Tim Vlamis April 25, 2017

Advanced Analytics Projects are Atypical Successful projects using data mining algorithms often have returns that are well above normal business Returns on Investment. 200%, 500% or even 1000%+ ROIs are not unheard of. So why

Using the Oracle Database for an Analytic Warehouse

Dan Vlamis November 11, 2016

Using the Oracle Database for an Analytic Warehouse Dan and Tim Vlamis, Vlamis Software Solutions, Inc. November 10, 2016 Introduction: Data Warehouses have evolved since their heydays in the 1980s. Many people have given up

How Does Pokemon Go Influence Marketing and Analytics?

Dan Vlamis July 11, 2016

I am fascinated by the Pokemon Go phenomenon and am amazed by the success of a release of a game 5 days ago or so. According to Forbes, Pokemon Go is on pace to surpass

The Four Realms of Analytics

Tim Vlamis June 4, 2015

The four realms of analytics: descriptive analytics, predictive analytics, prescriptive analytics, and diagnostic analytics can be organized along a dimension from rules-based to probability-based and the dimension of time (past and future). This simple two-by-two matrix offers a powerful framework for organizing and describing the differences between analytical processes. While the four realms are often cited, they seldom appear without there being considerable confusion in understanding the distinctions between them. Rather than relying on dictionary definitions and unspecified connotations, this simple framework is offered as a way to communicate different types of analytics to lay audiences.

Major Update Releases for Oracle’s R Technologies

Tim Vlamis April 2, 2014

March 2014 turned out to be a banner month for the team working on Oracle R Enterprise, Oracle R Distribution, and Oracle R Advanced Analytics for Hadoop. Link to Oracle R Technologies page Last week

Oracle Data Mining vs. SAS is like Support Vector Machines vs. Neural Nets

Tim Vlamis October 23, 2012

I’m part of a small group of mathematics enthusiasts in Kansas City who meet about once a month on Saturday mornings to drink coffee and discuss mathematics. This past weekend it was my turn to do a presentation to the rest of the group and I chose to speak on the mathematical foundations of the Support Vector Machine algorithm in Oracle Data Mining. While I wasn’t surprised that some in the group had a better handle on Vapnik-Chervonenkis theory than I and gently “guided” me a few times, I was somewhat surprised at their positive reaction to my characterization of the “Oracle” approach to data mining in contrast with the “SAS” approach.