Outliers-Thinking Outside the Box
by Georgette Asherman Click on this link to a pdf to read. I will place directly into the post later. outlier discussion sg
Unlocking the Mystery of Key Performance Indicators
by Sarianne Gruber Is it a Metric or a KPI? As a consultant working in Healthcare Analytics, I am asked to help clients decide on which Key Performance Indicators (KPIs) should be reported on a dashboard. Selecting Key Performance Indicators (KPIs) may seem to be relatively straight forward task. However, it is not as easy [...]
A Tableau that Overwhelms Many Eyes-The Expert View
by Georgette Asherman “First I have to look at the colored dot. Then I have to go the side and read what each color means. Then the colored dot is connected to the black dots. And then I have to look at the bottom and see what date it happened. Then I have to look [...]
Open Data in the Age of Visualization: Exploring What’s Out There
by Sarianne Gruber The Open Government Initiative has spurred me on to start exploring the health-related datasets that have become available on www.data.gov/health. Recently, I had the chance to hear Todd Park, the former co-founder of Athenahealth and now the HHS Chief Technology Officer, champion the “Data Liberacion” project. There are over 250 free access [...]
Health data entrepeneurs
Sarianne and I went to hear Todd Park, a former health technology executve and now head of a government initiative to encourage health data technology development, speak in New York City. She wrote about it on HITECH Answers, an electronic health records information forum. http://www.hitechanswers.net/todd-park-healthcare-innovation-tour/
Did you ever buy paint?
**Did you ever buy paint? How many times did you run back and forth to pick up chips, little samples, paint cardboard swatches, etc. I painted a wall ‘Old Pickup Truck Blue’ and was irked by the green tones not in the chips. I repainted it some something more sedate. Why am I talking about [...]
Healthy Outcomes: Choice, Compliance and Conjoint Analysis
Information is a Motivator The Electronic Health Record (EHR) revolution has physicians and hospitals moving from traditional paper records to adopting advanced technology to electronically collect patient data. The EHR is extremely comprehensive and will contain such details as patient demographics, patient progress notes, medical problems, medications, vital signs, past medical history, immunizations as [...]
What do you want to know? A brief introduction to classification and logistic regression
When a client brings me a new dataset, often I feel like Alex Trebec asking “What’s your question?” to the Jeopardy! contestants. Repeatedly, I ask my clients what they want to know about their data such as which products are people most responding to, which offers are producing the highest sales or what are the [...]
Market Research Metrics – Scaled Reponses and the Weighty “% of the Top 2 Box”
by Sarianne Gruber On a scale of 1 to 7, where a low value is a poor rating and a high value is an excellent rating, how would you rate the performance, the taste, the service, the usefulness, the quality, the “whatever” feature you are looking to gauge from your audience? Market researchers design surveys [...]
Draw the Line- The straight and narrow of using regression lines
By Georgette Asherman I have four books about linear least square regression models. I have no interest in writing another one. But I find that at whatever level, none step back and explain the underlying philosophy for this horribly misnamed[1], powerful but deceptive technique. It is worthwhile to think of some basic concepts before [...]
