public marks

PUBLIC MARKS with tags data & research

2009

Many Eyes

by ycc2106
Our goal is to "democratize" visualization and to enable a new social kind of data analysis. Jump right to our visualizations now, take a tour, or read on for a leisurely explanation of the project.

2008

2007

DataPlace

by pallefs
"The relevant statistics you need, the simple delivery you want"

2006

Internet Usage World Stats - Internet and Population Statistics

by jackiege
***各种有关互联网的调查统计数据,诸如全球各洲各国家的因特网普及率/宽带普及率/增长速度等

Less studies -- more choice!

by jasontromm
The National Center for Education Statistics, part of the U.S. Department of Education, has just released a study comparing the performance of fourth- and eighth-graders in public and private schools. As important as this research may sound, I think it is more a symptom of our education problems than a useful tool in solving them. Generally, studies show students in private schools outperforming students in public schools. However, in this research, statistical adjustment was made to account for differences in socioeconomic background. The result: Whereas the raw data shows superior performance in private schools, much of that differential is eradicated after the statistical massaging. Public-school fourth-graders did better; however, the reading advantage at the eighth-grade level remained with the private-school kids. ()() Just as I suspected. The government education monopoly manipulated the numbers ot make themselves look better.

2005

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