What is Information?
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Transcript of What is Information?
What is Information?
Data:
Collection of facts (opinions, demographics, statistics)
But Data is not information…
Data:Collection of facts (opinions, demographics, statistics)
This may not be Information:
Not this
Data:Collection of facts (opinions, demographics, statistics)
Information: * A message received and understood
Data:Collection of facts (opinions, demographics, statistics)
Information: A message received and understood * A collection of facts from which conclusions may be drawn
Data:Collection of facts (opinions, demographics, statistics)
Information: A message received and understood A collection of facts from which conclusions may be drawn * Knowledge acquired through study, or experience, or instruction
Data:Collection of facts (opinions, demographics, statistics)
Information: A message received and understood A collection of facts from which conclusions may be drawn Knowledge acquired through study, or experience, or instruction * Information as the result of processing, manipulating and organizing data in a way that adds to the knowledge of the personreceiving it.
Information:
Something that changes what you know.
Suppose you received these reports:
Suppose you already knew everything in these reports:
Would you still want to pay for these reports?
Information:
Something that changes whatyou know.
Information:
It is a commodity.
Information:
It is a commodity.It is property.
Information:
1. Value Dependent upon the value of decisions that can be made with a change in what you know.
Information:
1. Value Dependent upon the value of decisions that can be made with a change in what you know.
Value = Benefit - Costs
Value = Benefit - Costs
In a business sensethe value of information could be
Negative.
Information:
1. Value2. Amount Not dependent upon length or complexity
Information:
1. Value2. Amount Not dependent upon length or complexity
Amount is inversely proportional to the probability of the message
Claude Shannon
Three picturesEach has the same number of pixels
Three picturesEach has the same number of pixels
So each has the same amount of:
Three picturesEach has the same number of pixels
So each has the same amount of: DATA
Three picturesEach has the same number of pixels
Each was judged to have the same amount of artistic and esthetical appeal.
Three picturesEach has the same number of pixels
Each was judged to have the same amount of Artistic and esthetical appeal.
So each as the same amount of:
Three picturesEach has the same number of pixels
Each was judged to have the same amount of Artistic and esthetical appeal.
So each as the same amount of: Quality
The print media stays in businessby selling advertisements andinfluence
Because….
People will be attracted to the media when they find something that they didn’t already know.
In other words… people are attracted toand buy
Information
Even if it is wrong!
Editors will then buymaterial that will sell….
This the key to doingsuccessful PR!
Three pictures
A. People enjoying a nice afternoon by an office building
Three pictures
B. A map of a new high-rise business building.
Three pictures
C. President Obama meeting with a real alien
Three pictures
A. People enjoying a nice afternoon by an office buildingB. A map of a new high-rise business buildingC. Obama meeting an alien
Which one will be worth the most money?
Three pictures
A. People enjoying a nice afternoon by an office buildingB. A map of a new high-rise business building C. Obama meeting an alien
Which one that has the lowest probability!
Information:
1. Value2. Amount3. “Goodness” Ability to be used to make correct decisions.
“Goodness” Ability to be used to make correct decisions.• Reliability
“Goodness” Ability to be used to make correct decisions.• Reliability• Validity
“Goodness” Ability to be used to make correct decisions.• Reliability• Validity• Relevancy
“Goodness” Ability to be used to make correct decisions.• Reliability• Validity• Relevancy• Currency
“Goodness” Ability to be used to make correct decisions.• Reliability• Validity• Relevancy• Currency• Sufficiency
“Goodness” Ability to be used to make correct decisions.• Reliability• Validity• Relevancy• Currency• Sufficiency• Efficiency
Try: http://www.jimloy.com/puzz/puzz.htm
Information:
1. Value2. Amount3. “Goodness”4. Evaluation
Information:
Evaluation• Who produced it?
Information:
Evaluation• Who produced it?• When was it produced?
Information:
Evaluation• Who produced it?• When was it produced?• How was it produced?
Information:
Evaluation• Who produced it?• When was it produced?• How was it produced?• How was it analyzed?
Information:
Evaluation• Who produced it?• When was it produced?• How was it produced?• How was it analyzed?• Why was it produced?
Information:
Evaluation• Who produced it?• When was it produced?• How was it produced?• How was it analyzed?• Why was it produced?• Who benefits from this information?
Information:
Evaluation• Who produced it?• When was it produced?• How was it produced?• How was it analyzed?• Why was it produced?• Who benefits from this information?• Why is this information available to me?
Information:
Warning signs:
Information:
Warning signs:1. Confirms what you have always known.
Information:
Warning signs:• Confirms what you have always known.• Confirms what you WANT to believe.
Information:
Warning signs:• Confirms what you have always known.• Confirms what you WANT to believe. • Contradicts what you have always known.
Campaign Trail news |
Obama opens 14-point lead in new poll
CBS News/New York Times survey shows larger gap than other polls.
USA Today 10/15/08
CBSNYT POLL: 'OBAMA HAS 14-POINT LEAD'...
ZOGBY WEDNESDAY: OBAMA 48.2%, MCCAIN 44.4%... NOT SURE 7.4%...
RASMUSSEN: OBAMA 50% MCCAIN 45%...
10/15/08
http://www.gallup.com/poll/113980/Gallup-Daily-Obama-Job-Approval.aspx
Information:
Warning signs:• Confirms what you have always known.• Confirms what you WANT to believe. • Contradicts what you have always known. • Is GOOD THINK.
Information:
GOOD THINK:The “proper” way to think about any topic.The “politically correct” way to think.
George Orwell book “1984”
Global Warming
Global warming demands US attention
Global warming demands US attention
Inhofe Defends ‘Global Warming Is The Greatest Hoax’ Comment: ‘I Think I Was Right’
Global warming demands US attention
Inhofe Defends ‘Global Warming Is The Greatest Hoax’ Comment: ‘I Think I Was Right’
Candidates must face global warming
Global warming demands US attention
Inhofe Defends ‘Global Warming Is The Greatest Hoax’ Comment: ‘I Think I Was Right’
Cycle just might be cooling trend
Candidates must face global warming
Global warming demands US attention
Inhofe Defends ‘Global Warming Is The Greatest Hoax’ Comment: ‘I Think I Was Right’
Cycle just might be cooling trend
Candidates must face global warming
Ecologists raise global warming alarm at UN
Global warming demands US attention
Inhofe Defends ‘Global Warming Is The Greatest Hoax’ Comment: ‘I Think I Was Right’
Cycle just might be cooling trend
Boise Breaks Early Snow Record, Where's the Global warming?
Candidates must face global warming
Ecologists raise global warming alarm at UN
http://www.climatedepot.com/
Pay no attention to global-warming alarmists
Five strange, terrifying consequences of global warming
Global Warming and Carbon Dioxide Ethics
UW prof proposes cloud experiment to fight global warming
Headlines from 8/27/2012
http://droughtmonitor.unl.edu/
What is the scientific problem with using current weather patterns to verify global warming?
What we know about climate change and droughthttp://www.washingtonpost.com/blogs/wonkblog/wp/2012/07/24/what-we-know-about-climate-change-and-drought/
“And the short version is this: Droughts have multiple causes. The United States has suffered worse droughts in the past. It’s not yet clear whether we’ve reached the point where global warming is making droughts worse again, at least in North America. But evidence suggests that droughts will become more intense in many parts of the world if the planet keeps heating up — a trend that could disrupt the world’s food supply.”
Link between global warming and drought questionedhttp://www.newscientist.com/article/mg21628914.600-link-between-global-warming-and-drought-questioned.html
“Roger Pielke Jr. of the University of Colorado in Boulder says that since the PDSI uses a formula that assumes higher temperatures cause more droughts, it was hardly surprising that it finds a link.”
http://dailycaller.com/2011/08/28/gore-global-warming-skeptics-are-this-generations-racists/
http://www.telegraph.co.uk/earth/energy/6491195/Al-Gore-could-become-worlds-first-carbon-billionaire.html