Added by Michael Walker on June 12, 2014 at 7:00pm — No Comments
Data scientists are the lion kings of data pros while salaries for business intelligence and data warehousing pros are stagnating.
Actual data scientist salaries are much higher considering many garden…Continue
"Life imitates art far more than art imitates life." - Oscar Wilde
In Woody Allen's 1973 iconoclastic movie "Sleeper" a man (health food store owner) wakes up two hundred years in the future. For breakfast…
Confirmation bias occurs when people actively search for and favor information or evidence that confirms their preconceptions or hypotheses while ignoring or slighting adverse or mitigating evidence. It is a type of cognitive bias (pattern of deviation in judgment that occurs in…Continue
I received a call from an old client who stated his analytics team had a recent string of failures alarming the firm and costing money. He asked me to review and audit the teams work and analytical processes in attempt to understand and remedy the failures. The data crunching technology was…Continue
Added by Michael Walker on March 12, 2014 at 9:00pm — No Comments
Data and information silos are a significant problem for organizations getting full value from data. Data silos are separate databases or data files that are not part of an organization's enterprise-wide…Continue
Added by Michael Walker on December 16, 2013 at 9:30am — No Comments
Big data analytical ecosystem architecture is in early stages of development. Unlike traditional data warehouse / business intelligence (DW/BI) architecture which is designed for structured,…Continue
Added by Michael Walker on November 17, 2013 at 8:30am — No Comments
Smart organizations are using the power of data science and data produced by embedded sensors and machine devices to better measure performance, discover patterns, prevent problems, and improve…Continue
There has been much discussion and debate about the definition of data science and the new rare breed of sexy bird called the data scientist. The …Continue
Data scientists must always remember that data sets are not objective - they are selected, collected, filtered, structured and analyzed by human design. Naked and hidden biases in selecting,…Continue
Added by Michael Walker on October 7, 2013 at 9:14pm — No Comments
High Performance Computing (HPC) plus data science allows public and private organizations get…Continue
Business analytics comes in three (3) general flavors: descriptive, predictive and prescriptive. See: …Continue
Added by Michael Walker on August 27, 2013 at 2:00pm — No Comments
Batch data processing is an efficient way of processing high volumes of data is where a group of transactions is collected over a period of time. Data is collected, entered, processed and then the batch results are…Continue
Data management in the Hadoop ecosystem is still in the early stages of development. The goal…Continue
Added by Michael Walker on July 30, 2013 at 12:13pm — No Comments
Machine Learning: A Probabilistic Perspective, by Kevin Murphy.
Boosting: Foundations and Algorithms, by Robert E. Schapire.
Models Behaving Badly: Why Confusing Illusion with Reality Can Lead to Disaster, by Emanuel Derman.
Doing Data Science, by Cathy O'Neil and Rachel…