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All Blog Posts Tagged 'projection' (12)

New Similarity Methods for Unsupervised Machine Learning

1. Introduction

Data science is changing the rules of the game for decision making. Artificial intelligence is living its golden years where abundance of data, cheap computing capacity, and devoted talent depicts an unstoppable intelligence assisted life for humans. While it is common to hear about AI advice on health or financial investments, the same in business strategy is not so common. Maybe it is just a matter of time that AI learns how to handle data to support…

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Added by Ramon Serrallonga on January 9, 2019 at 9:00am — 3 Comments

Linear Regression Geometry

Linear Regression is one of the most widely used statistical models. If Y is a continuous variable i.e. can take decimal values, and is expected to have linear relation with X's variables, this relation could be modeled as linear regression, mostly  the first model to fit,if we are planning to develop a model of forecasting Y or trying to build hypothesis about relation Xs on Y.

The…

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Added by Jishnu Bhattacharya on February 1, 2017 at 8:30pm — No Comments

Deconstructing Symbolic Expression

I sometimes ask myself while musing over the need for a particular service, "I wonder if this is commercially viable?" If the service is routine and the required software is rather inexpensive, perhaps there is little need for a company to outsource. I cannot think of any company that would routinely outsource work normally performed on a spreadsheet. I suspect that decades ago some companies hired specialists to handle spreadsheets; this seems much less likely today in light of the…

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Added by Don Philip Faithful on July 2, 2016 at 7:07am — No Comments

Formulating the Metrics of Phenomena

In recent blogs, I have been distinguishing between quantitative data and narrative data. I believe that I separated the two forms relatively well. Although I originally focused on the differences in data in order to give narrative "its own space," actually there can be a symbiotic relationship between the two types of data. In my last blog, I said that quantitative data can be incorporated into narrative data. In my submission today, I will be discussing how the narrative can be used to…

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Added by Don Philip Faithful on May 7, 2016 at 6:39am — No Comments

Following the Odour of Data - Catching Scent

In recent blogs, I wrote about using codified narrative as a form of data. I also discussed using attribution models to systematically evaluate codified narrative for ontological constructs: e.g. "child abuse" "physical confinement" "cannibalism." I provide a brief overview of these topics a bit later in the blog. The third important piece to make use of narrative data involves "attribution profiling" in a process that I call "catching scent." Following the odour of data involves…

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Added by Don Philip Faithful on April 29, 2016 at 4:44am — 1 Comment

Countering Quantitative Alienation with Geographic Codified Narrative

Codified narrative is the product of converting human-friendly narrative into computer-friendly code. In past blogs, I discussed my own approach towards this process of codification. Here, I will be covering the idea of spatial, temporal, and contextual distribution of codified narrative. I have never suggested that narrative can or should be used in place of quantitative data. However, I have reflected on how the quantitative regime has tended to dominate discourse; this has perhaps led to…

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Added by Don Philip Faithful on April 2, 2016 at 8:15am — 2 Comments

From Survey to Database

I find that different types of surveys represent a large source of data for many organizations: client questionnaires; recruitment interviews; incident debriefings; interrogations; borehole drilling surveys; quality control checks; marketing surveys; security and patrol logs; and inventory audits. I believe that for many people, the idea of collecting information using surveys makes sense; and they recognize the need for the data. Problems arise in relation to the transition from survey to…

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Added by Don Philip Faithful on October 10, 2015 at 6:09am — No Comments

Ontology for Data Science

When I returned to university to do a graduate degree, I was interested to discover how certain terms are subject to "intellectual interpretation." A word that I was asked to explain during one of my earliest classes was "ontology." Since this term was absent from my dictionary, I originally confused it with "oncology." I faintly recall that oncology involves the study of tumors. After consulting a few sources, I said that ontology is the study of how things come to exist or into being. I…

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Added by Don Philip Faithful on May 30, 2015 at 6:17am — No Comments

Quality of Things



"Measurement owes its existence to Earth; estimation of quantity to measurement; calculation to estimation of quantity; balancing of chances to calculation; and victory to balancing of chances." - Sun Tzu, The Art of War (Translated by L. Giles)

The quote from Sun Tzu seems to suggest how a military leader gathers data; adapts to different situations; and makes decisions weighing the circumstances. It says that the balancing of chances depends on "calculation." I…

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Added by Don Philip Faithful on April 18, 2015 at 6:20am — 4 Comments

True Freedom - Algorithmic Man Unplugged

Thermometers and scales to measure weight appeared in retail outlets long ago. Blood pressure monitors perhaps came later. Pedometers and heart-rate monitors seem more recent - possibly closer to my time. I saw several devices while doing this blog intended to electronically record among other things hours of sleep; these are designed to be worn on the body all the time. A couple of weeks ago, I bought something to give the heart rate and blood oxygen saturation level. I consider it a real…

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Added by Don Philip Faithful on November 8, 2014 at 9:18am — No Comments

Dark Art of Warping



The celebrity of Toronto's mayor has certainly drawn a lot of attention to the city in recent years. Several candidates are now running for Rob Ford's job. Since the mayor is currently undergoing treatment for cancer, he decided to withhold his candidacy in the upcoming municipal election. Being a longtime resident of Toronto, and being aware of the city's wealth and poverty, I'm always interested in how these competing needs play out when it is time to vote.  Consider the interesting…

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Added by Don Philip Faithful on October 11, 2014 at 6:07am — No Comments

Universal Data Model - A Really Different Look at Data

The idea of environmental determinism once made a lot of sense. Hostile climates and habitats prevented the expansion of human populations. The conceptual opposite of determinism is called possibilism. These days, human populations can found living in many inhospitable habitats. This isn't because humans have physically evolved. But rather, we normally occupy built-environments. We exist through our technologies and advanced forms of social interaction: a person might not be able to build a…

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Added by Don Philip Faithful on September 13, 2014 at 8:11am — 2 Comments

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