Quotes About Data

The use case class accepts simple request data structures for its input, and returns simple response data structures as its output. These data structures are not dependent on anything.

ENTITIES Entities encapsulate enterprise-wide Critical Business Rules. An entity can be an object with methods, or it can be a set of data structures and functions. It doesn't matter so long as the entities can be used by many different applications in the enterprise.

USE CASES The software in the use cases layer contains application-specific business rules. It encapsulates and implements all of the use cases of the system. These use cases orchestrate the flow of data to and from the entities, and direct those entities to use their Critical Business Rules to achieve the goals of the use case.

Notice how well those three align with the three big concerns of architecture: function, separation of components, and data management.

There is overwhelming scientific evidence on memory that shows memories are constructed by all of us and that the construction is a mixture of fact and fiction. Something similar is true for perception. Our perceptions are constructions that are a mixture of sense data processed by the brain and other data that the brain supplies to fill in the blanks.

This is the trouble with internet research, in my experience. The proportion of what's useful to what's dross dwindles very quickly, and suddenly it's like searching for something dropped down the back of a sofa and coming up with handfuls of old coins, buttons, fluff, and sucked sweets. What's important is to ask the right question, and

An entire generation's correspondence and memories had vanished into this mysterious entity the antiquarians called 'The Cloud'.

Trying to understand major economic events by looking only at data on changes in economic aggregates, such as gross domestic product, wage rates, interest rates, and tax rates, runs the risk of missing the underlying motivations for change. Doing so is like trying to understand a religious awakening by looking at the cost of printing religious tracts.

The information in the folder did not constitute proof, only data that could or could not bolster the conjectures he had made.

The TV scientist who mutters sadly, The experiment is a failure; we have failed to achieve what we had hoped for, is suffering mainly from a bad script writer. An experiment is never a failure solely because it fails to achieve predicted results. An experiment is a failure only when it also fails adequately to test the hypothesis in question, when the data it produces don't prove anything one way or another.

An experiment is a failure only when it also fails adequately to test the hypothesis in question, when the data it produces don't prove anything one way or another.

The experiment is a failure; we have failed to achieve what we had hoped for," is suffering mainly from a bad scriptwriter. An experiment is never a failure solely because it fails to achieve predicted results. An experiment is a failure only when it also fails adequately to test the hypothesis in question, when the data it produces don't prove anything one way or another.

Women prefer the smell of moderately related over unrelated men. And in a study of 160 years of data concerning every couple in Iceland (which is a mecca for human geneticists, given its genetic and socioeconomic homogeneity), the highest reproductive success arose from third- and fourth-cousin marriages.

Shel Israel has been a diabetic for many years, jabbing his finger a few times every day to measure his blood sugar. Every six months he brings his glucose meter to his endocrinologist, who extracts and analyzes the data. His pharmacist recently informed him that a new California law requires him to share his data with them as well or his insurance coverage will be dropped, raising the monthly cost from about $8.25 to about $165. Who is behind this law?

It amazes me how people are often more willing to act based on little or no data than to use data that is a challenge to assemble.

Today, wealth is in information. And the person who has the most timely information owns the wealth.

In the Information Age, quality information is our most important asset.

Today, wealth is in information.

You think the knife was used, cleaned, then scraped through the blood on the floor?" Lestrade asked. "Evidently." "Why do that?" "Chief Inspector, I try to form my hypotheses upon data, rather than shape the data to match my wishes." And

When you can measure what you are speaking about, and express it in numbers, you know something about it.

If your experiment needs statistics, you ought to have done a better experiment.

A procession of the damned. By the damned, I mean the excluded. We shall have a procession of data that Science has excluded.

Philosophers of science have repeatedly demonstrated that more than one theoretical construction can always be placed upon a given collection of data.

If you cannot measure it, then it is not science.