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Topic: Summary statistics

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Descriptive statistics

Coefficient of variation

Statistical theory

Statistics

Percentile

Weighted average

Standard deviation

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In the News (Mon 6 Jul 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Summary Statistics: Location & Spread
		The two important statistics that describe a single response are measures of location (typical value; the word location is a reference to the data's location on the number line) and spread (variability).
		It is not counted as one of the summary statistics even though it fits the definition ("a function solely of the data") perfectly.
		The mean and SD are a particularly appropriate summary for data whose histogram approximates a normal distribution (the bell-shaped curve).
	www.tufts.edu /~gdallal/summary.htm (2909 words)

	Access-Statistics
		Access Statistics summary report for two weeks - September 26, 1999 - October 9, 1999 --- complete report - 2398K.
		Access Statistics summary report for June 14 - June 21, 1997 --- complete report - 2579K.
		Access Statistics summary report for June 1 - June 13, 1997 --- complete report - 3081K.
	www.christusrex.org /www1/icons/access.html (8640 words)

	Summary statistics
		Climate Summary: 1951-2000 - Weather statistics and trends from 1951 to present.
		Mesa County Health Statistics - Assessing the health of the county featuring indicators, demographics, and tracking summary.
		About Scientology - Summary of Scientology beliefs and practices, including on such issues as gay marriage, the afterlife and the supreme being.
	www.nebulasearch.com /encyclopedia/article/Summary_statistics.html (370 words)

	2007 IUCN Red List – Summary Statistics for Globally Threatened Species
		Tables 1 and 2 are organized by taxonomic group and show numbers of threatened species in all IUCN Red Lists from 1996 to the current Red List; these should be consulted to see a summary of overall changes in numbers of threatened species over recent years.
		Tables 3 and 4 are organized primarily by taxonomic group; these should be consulted for example, to see a summary of the number of mammals assessed as threatened (the second table is an expanded version of the first).
		Tables 5 and 6 are organized primarily by country; these should be consulted for example, to obtain a summary of the number of threatened mammals in any particular country.
	www.iucnredlist.org /info/stats (551 words)

	2004 IUCN Red List - Summary Statistics for Globally Threatened Species (Site not responding. Last check: )
		Tables of summary statistics generated from the threatened species database are made available here:
		Tables 3 and 4 are organized primarily by taxonomic group; these should be consulted for example, to see a summary of the number of mammals assessed as threatened (the second table is an expanded version of the first).
		Tables 5 and 6 are organized primarily by country; these should be consulted for example, to obtain a summary of the number of threatened mammals in any particular country.
	www.redlist.org /info/tables.html (536 words)

	R: Calculate summary statistics (Site not responding. Last check: )
		Various summary statistics are calculated for different types of data.
		Statistics are found by columns for matrices, by components for a list and by the relevent groups when a numeric vector and a by vector are given.
		The default set of statistics are the number of (nonmissing) observations, mean, standard deviation, minimum, lower quartile, median, upper quartile, maximum, and number of missing observations.
	www.stat.umn.edu /R/library/fields/html/stats.html (188 words)

	Producing Summary Statistics (Site not responding. Last check: )
		Summary statistics on the numeric variables of a SAS data set can be obtained with the SUMMARY statement.
		This summary statement gives the mean and standard deviation of the variables HEIGHT and WEIGHT for the two subgroups (male and female) of the data set CLASS.
		Since the SAVE option is set, the statistics of the variables are stored in matrices under the name of the corresponding variables, with each column corresponding to a statistic requested and each row corresponding to a subgroup.
	www.dnr.state.ak.us /ssd/whtest/sashtml/iml/chap6/sect21.htm (252 words)

	Summary statistics - MedCalc manual
		Summary statistics will be given for all data and for all subgroups.
		The precision of the reported statistics should correspond to the precision of the original data.
		Finally, the summary statistics in the text or table may be complemented by a graph (see distribution plots).
	www.medcalc.be /manual/mpage06-01.php (1615 words)

	Summary Statistics of Internet usage in Campaign '98
		I used summary statistics to examine the Internet usage of approximately 1400 Federal level campaigns in the 1998 election cycle.
		I calculated a Chi-Square statistic on the counts of the campaigns in each category in order to determine the likelihood that the features were statistically independent.
		Even without the statistics the similarity in the pattern of the four numbers for the Democrats and the four numbers for the Republicans is apparent.
	www.lilt.ilstu.edu /gmklass/ITPnews/fall00/LOEBf00.htm (2481 words)

	Stata Tutorial - Adding summary statistics to a data file
		Adding a statistic to each observation, reducing the file to summary statistics.
		Stata has commands that allow you to either add a summary statistic to each observation in memory, or to reduce the file according to values of a group so that each resulting observation is the summary statistic for that group.
		The number of variables is: one for each summary statistic calculated, and one for each by variable.
	www.cpc.unc.edu /services/computer/presentations/statatutorial/example7.html?makePrintable=1 (403 words)

	Summary Statistics
		Summaries may be calculated within groups based on one or more grouping variables.
		Includes summaries of the categorical variables (factors) in the data set.
		The corresponding summaries are the factor levels and a count of how many values in each level are in the factor column.
	fas.sfu.ca /doc/help/guihelp/__hhelp/summary_statistics.htm (444 words)

	Summary.Net - Homepage
		Summary gives you the tools to get the information you need.
		Summary runs on all of the popular systems including Windows, Macintosh and Linux x86.
		Summary 2.6 is a free update for owners of Summary 2.5.x.
	www.summary.net (248 words)

	Hospital Inpatient Statistics, 1996: Summary (Site not responding. Last check: )
		Statistics are presented on the number of discharges, mean length of stay, mean charges, charges in quartiles, percent who died in the hospital, percent male, and mean age.
		This report, Hospital Inpatient Statistics, 1996, is based on data from the latest year of the HCUP Nationwide Inpatient Sample (NIS).
		Hospital Inpatient Statistics, 1996 updates previously published statistical reports that presented data for 1992 and 1995.
	www.ahcpr.gov /data/hcup/his96 (722 words)

	Statistics \| Rape, Abuse & Incest National Network
		RAINN's "two and a half minute" calculation is based on 2003 National Crime Victimization Survey from the Bureau of Justice Statistics, U.S. Department of Justice.
		Read a two page summary of major statistics from 1993-2001.
		For more information and statistics, visit the U.S. Department of Justice’s Bureau of Justice Statistics.
	www.rainn.org /statistics/index.html (359 words)

	ARL Statistics at UVa Library
		The current ARL statistics include data on collections, staffing, expenditures, library services, and library and university characteristics for the 112 ARL university libraries.
		Statistics have been collected and issued annually for the members of the Association of Research Libraries since 1961-62.
		Before that, annual statistics for university libraries had been collected by James Gerould, first at Minnesota and later at Princeton.
	fisher.lib.virginia.edu /arl (184 words)

	AWCBC History & Overview (Site not responding. Last check: )
		The statistics, produced by the Association of Workers' Compensation Boards of Canada (AWCBC) for the National Work Injuries Statistics Program (NWISP), are derived from administrative records for accepted time-loss injuries and fatalities at provincial/territorial workers' compensation boards or commissions (jurisdictions).
		Within each jurisdiction, the statistics are consistent over time, but differences may be observed if inter-jurisdictional comparisons are made (for example, specific businesses may be excluded from coverage in certain jurisdictions).
		The publication includes statistical summaries by jurisdiction cross tabulated by gender, age, nature and source of injury/disease/fatality, event, part of body, occupation and industry.
	www.awcbc.org /english/NWISP_Stats.htm (316 words)

	USDA- National Agricultural Statistics Service Data Products
		Data comprised of National level statistics for the principal crops in NASS's estimating program showing comparisons of the estimates.
		Agricultural Statistics is published each year to meet the diverse need for a reliable reference book on agricultural production, supplies, consumption, facilities, costs, and returns, land resources, farm programs, crop insurance, crop loans, etc. The publication contains 10 years of U.S. data and 3 years of State data covering a wide variety of agricultural facts.
		Statistical Bulletins, (SB895-SB912) contain final estimates for the 1987-1993 period.
	www.usda.gov /nass/pubs/dataprd1.htm (1515 words)

	Summary Web Log Analyzer
		Summary analyzes the information in your server's log files and creates detailed reports.
		It can tell you when your server was down and for how long, how much bandwidth your site has been using, which pages are the most popular and even what other sites have been using your graphics on their pages.
		Summary generates more reports, more quickly, than any other log analysis software.
	summary.net /summary.html (503 words)

	Stata help for summarize
		options description ------------------------------------------------------------------------- Main detail display additional statistics meanonly suppress the display; only calculate the mean; programmer's option format use variable's display format separator(#) draw separator line after every # variables; default is separator(5) ------------------------------------------------------------------------- varlist may contain time-series operators; see tsvarlist.
		If no varlist is specified, summary statistics are calculated for all the variables in the dataset.
		format requests that the summary statistics be displayed using the display formats associated with the variables, rather than the default g display format; see format.
	www.stata.com /help.cgi?summarize (228 words)

	Petroleum Supply Monthly: Summary statistics notes
		The following explanatory notes are provided to assist in understanding and interpreting the data presented in the Summary Statistics section of this publication.
		Beginning with statistics for the first week ending in October 1991, weekly estimates of exports are forecast using an autoregressive integrated moving-average (ARIMA) procedure.
		Figures associated with the Summary Statistics tables are provided which depict the balance between supply, disposition, and ending stocks for various commodities.
	www.findarticles.com /p/articles/mi_m0DXP/is_7/ai_n6198098 (1201 words)

	Summary statistics
		Summary statistics are high-level metrics that represent the average behavior of the program (or parts of it) across its execution.
		Many summary statistics provide an overview of system performance as a whole.
		Summary statistics are inadequate for performance understanding because they provide information at an abstract level, which hides relevant details about the application's behavior.
	www.cs.rochester.edu /~meira/prop/node8.html (500 words)

	Researchers (Site not responding. Last check: )
		Statistical Compendium: Medicaid Pharmacy Benefit Use and Reimbursement in 1999, Prepared for the nation, 48 states, and the District of Columbia Based on Medicaid Analytic Extract (MAX) 1999 Files
		The Centers for Medicare & Medicaid Services (CMS) is pleased to make available for the first time the attached Statistical Compendium: Medicaid Pharmacy Benefit Use and Reimbursement in 1999 (hereafter, “the Compendium”), which provides detailed state-by-state and national data on the use of and reimbursement for prescription drugs in Medicaid.
		This chartbook contains 26 tables, charts, and graphs that present highlights from the Statistical Compendium, including comparisons of use and reimbursement for major eligibility groups (aged, disabled, adults, children, dual eligibles) and types of drugs, and state rankings on key measures.
	www.cms.hhs.gov /researchers (943 words)

	Summary Statistics - Measures of Location (Site not responding. Last check: )
		Statistics, Concepts and Controversies by David S. Moore is delayed until page 237!
		This illustrates two very important points - calculating summary statistics is a waste of time until the user decides what is important about the data and which summary statistics may be useful.
		This statistic wasn't questioned until someone posting to the rec.puzzles newsgroup asked, 'Hey, is this possible?' Read the article Sex Survey to find out more.
	exploringdata.cqu.edu.au /sum_stat.htm (433 words)

	Handcrafted Software :: View topic - Summary Statistics question
		I am using the Summary statistics function and reporting Username, Date Time, and TOC.
		I will test this but just to confirm - statistics coutners are reset when the Server is reset or when the Service is started and stopped (which would obviously also happen when the server is reset !!)
		The reason i ask is that i could do a start and stop of the service each night at midnight and then i would have daily logs of everyones traffic.
	www.handcraftedsoftware.org /phpBB2/viewtopic.php?p=1487&sid=01838d25301c2cd885d7abffb2eab11b (498 words)

	Minnesota Health Statistics Annual Summary - Minnesota Dept. of Health
		The Minnesota "Annual Summary" or "Minnesota Health Statistics" is a report published yearly.
		Data comparisons of Minnesota statistics and U.S. statistics at five-year intervals from 1940 to 1985 and annually from 1986 to 2003 including (but not limited to): Live births, crude birth rates, fertility rates, deaths, maternal deaths, infant deaths, neonatal deaths, fetal deaths, marriage, divorce and annulments.
		Mortality statistics -- By county of occurrence and residence; county of residence data by selected causes of death; race; age.
	www.health.state.mn.us /divs/chs/annsum2.htm (386 words)

	College and University Campus Crime Statistics
		College and university campus crime statistics are an important resource that the entire campus community and prospective members of it can use to gauge their safety, and take proactive steps to avoid and prevent campus crime.
		College and university campus crime data is available from two major sources, the U.S. Department of Education which under the "Jeanne Clery Act" collects statistics from more than 6,000 schools, and the FBI's Uniform Crime Reporting program which includes data for about 400 schools.
		Due to differences in reporting standards statistics reported under one program may not match those reported in the other.
	www.securityoncampus.org /crimestats (148 words)

	Petroleum Supply Monthly: Summary Statistics.(Crude Oil and Petroleum Pro... @ HighBeam Research (Site not responding. Last check: )
		Petroleum Supply Monthly: Summary Statistics.(Crude Oil and Petroleum Pro...
		Summary Statistics.(Crude Oil and Petroleum Products Overview, 1984 - Present)(Statistical Data Included)
		Source: See Summary Statistics Table and Figure Sources.
	www.highbeam.com /library/doc0.asp?DOCID=1G1:66453446&refid=holomed_1 (875 words)

	ARL Stats at UVa Library: Summary Statistics
		This page provides descriptive statistics for all of the institutions in the data set.
		If you want to obtain statistics for a single institution or a subset of them, go to Reports or
		Statistics Glossary for more details on the descriptive statistics reported.
	fisher.lib.virginia.edu /cgi-local/arlbin/arl.cgi?task=setupstats (240 words)

	ds540.1 Home Page
		ICOADS is the world's largest collection of in situ marine surface observations with 185 million records spanning 1784 through 2002.
		This dataset is the monthly summaries of the observations.
		A monthly summary for an area box includes ten statistics (e.g.
	dss.ucar.edu /datasets/ds540.1 (346 words)

	Summary Statistics (Site not responding. Last check: )
		The Summary Statistics item on the Stat menu provides the following descriptive statistics on the variables chosen: sample size (n), mean, variance, standard deviation, median, range, minimum, maximum, first and third quartiles.
		In the dialog window, select the variables for which summary statistics will be computed.
		To compute all summary statistics for the selected variables, click the Calculate button; otherwise, click the Next button to choose the statistics of interest.
	dostat.stat.sc.edu /webstat/stat/Sum.html (142 words)

	Statistics Canada - Summary tables
		This selection of summary tables, formerly called Canadian Statistics, provides an overview of statistical information on Canada’s people, economy and governments.
		Please feel free to explore the tables by entering keywords in the search window below, or by using one of the navigational buttons in the left menu bar.
		Summary tables now includes the Overview section where you can find charts and analysis.
	www40.statcan.ca /l01/cst01 (115 words)

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