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# What is P50 IN STATISTICS?

What Is P50 In Statistics? - Find Questions and Answers at Askives, the first startup that gives you an straight answer
I want to calculate a variable containing weighted group summary statistics, but I do not want to collapse the data and egen does not support weights. How can I do ... { . summarize response [w=weight] if group == `i', detail . replace wtmedian = r(p50) if group == `i ...
http://www.stata.com/support/faqs/data/weighted.html
Overview The GBC Proclick P50 is a small, ... literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, ...
http://medical-dictionary.thefreedictionary.com/P50
What does Exceedance Probabilities P90-P75-P50 Mean? H. Klug, DEWI Wilhelmshaven ... All steps and input data are connected to specific uncertainties, which are summarised to a typical overall uncertainty. Fig. 2: Presentation of an exemplary result for the Pxx-values. The calculated result ...
In statistics, a percentile (or a centile) is the value of a variable below which a certain percent of observations fall. For example, the 20th percentile is the value (or score) below which 20 percent of the observations may be found. The term percentile and the related term percentile rank are ...
http://en.wikipedia.org/wiki/Percentile
The Peel P50 is a three-wheeled microcar originally manufactured from 1962 to 1965 by the Peel Engineering Company on the Isle of Man. It currently holds the record for the smallest automobile to go into production. It has no reverse gear, but a handle at the rear allows the very lightweight car ...
http://en.wikipedia.org/wiki/Peel_P50
What does P50 and P90 mean in wind financial models? Without turning this into a statistics forum we can broadly say that “P50″ and “P90″ represent two probabilistic comparisons of the wind expected to be available to drive the turbines compared to historic records.
http://www.corality.com/blog/modelling-p50-versus-p90-wind-profiles
I am working with a lognormal distribution and am given Percentiles - P10, P50, P90, and Mean. Question - how do I compute Standard Deviation given these values? Register; Help; Remember Me? ... By Taqman in forum Psychology Statistics Replies: 1 Last Post: 06-09-2010, 10:24 AM.
P50 is average level of generation: ... Note: the above graph is not based on real data. Note that P90 does not mean that there is a 90% chance of occurrence; P50 is actually more likely to occur because it is the mean.
http://financere.nrel.gov/finance/content/p50-p90-exceedance-probabilities-demystified
Descriptive statistics (using excel’s data analysis tool) Generally one of the first things to do with new data is to get to know it by asking some general questions like but not limited to the following: ... Notice that “p50” is the median.
http://www.princeton.edu/~otorres/Excel/excelstata.htm
What is the meaning of P50 acronym/abbreviation and what does P50 stand for? ... Statistics Terms / Privacy Recommended Books: Random Term Random Definition Random Tag Types of Acronyms Interesting Facts Acronym Generator Mobile Version: Popular Tags
http://www.all-acronyms.com/P50
The P50 represents the partial pressure at which the hemoglobin is 50% saturated with oxygen-that is, when there are two oxygen molecules on each hemoglobin molecule.
Covers measures of position in statistics: quartiles, percentiles, and standardized scores (z-scores). Includes free, video lesson.
http://www.stattrek.com/descriptive-statistics/measures-of-position.aspx
(‘P50’ reserves are those with a notional 50% probability, i.e., being equally likely to see downward revision as upward revision with time.) These estimates were ... Using USGS Data . Periodically, the United States Geological Survey ...
http://www.oildepletion.org/roger/do_calcs/Calculations.htm
Otherwise there's no way to tell which PDF fits the data best. -- Also, isn't P50 supposed to be the same as the median? – krlmlr Feb 23 '12 at 12:09. OK, I guess I should assume a normal distribution then? Does that make sense looking at the data?
http://stats.stackexchange.com/questions/23531/density-function-from-percentiles-p10-p25-p75-p90-mean-and-median
Given a data set: 51, 62, 73, 74, 87, 95, find (a) the z-score of the data ... Q2 , P50 ? 3. 5-Number Summary The 5-Number Summary includes Min, Q1 , Q2 , Q3 , Max. 4. Boxplot (Numerical and Graphical) A boxplot displays a data set's 5-Number Summary. e.g. To measure ...
http://www.cwu.edu/~chueh/math311_Lecture1.htm
The data arranged in ascending or descending order can be divided into 100 equal parts by 99 values. ... 50th Percentile (P50) The calculation of P50 is given below: ...
http://mba-lectures.com/statistics/descriptive-statistics/245/percentiles.html
Creating P10, P50 and P90 geostatistical reservoir models is an important task for flow simulation, risk analysis, reservoir forecasting and management. ... There are some statistical methods to establish P10 and P90 reserve figures.
http://www.onepetro.org/mslib/servlet/onepetropreview?id=PETSOC-2008-188
Greetings, I have a P10,P50,P90 probability table set up. Would like to be able to insert new lines of data, but unable to copy and paste or drag down the distribution of one of the ones I would like
http://www.fixya.com/support/t2756561-greetings_r_ni_p10_p50_p90_probability
data, highlighting their basic facts and relationship. If we draw diagrams onthe basis of the data collected they will easily be understood and appreciated by all. It is readily intelligible and save a considerable amount of time and energy.
http://www.textbooksonline.tn.nic.in/Books/11/Std11-Stat-EM.pdf
Five sets of fictive data were chosen to represent the P10, P50 and P90 cases. Fifty block simulations were generated for each of these cases to evaluate the upside and downside potential. To facilitate comparisons an additional 50 block simulations were run using only
http://www.cerna.ensmp.fr/Documents/SG-MA-AG-Cancun2001.pdf
A Typical Meteorological Year (TMY) is a data set giving values in high time resolution. It shall well represent the characteristic meteorological conditions of average years at a site. ... The P50, P70 and P90 values and their meaning
http://www.renewableenergyworld.com/rea/partner/first-conferences/news/article/2011/03/tmy-typical-meteorological-year-what-should-it-represent-and-what-means-p50-p70-and-p90
A simple method to calculate P50 from a single blood sample. Doyle DJ. Department of Anaesthesia, Toronto Hospital, Ontario, Canada. ... The method is illustrated using data published by Severinghaus. PMID: 9336736 [PubMed - indexed for MEDLINE] MeSH Terms. Blood Gas Analysis; Hemoglobins/analysis*
http://www.ncbi.nlm.nih.gov/pubmed/9336736
P50, on the other hand, is the average annual energy yield predicted for your site - the annual energy output you are most likely to achieve. ... Data quality management > Wind analyisis > MCP > Flow modelling > Complex terrain > Wake effects > P90 > Optimisation >
http://www.windmeasurementinternational.com/wind-analysis/p90-wind_anyalsis.php
Well, perhaps we have, in one way. The phenomenon of reserves growth might stem in part from this statistical effect. ... UK reserves to be 479 million tonnes, or 700 million tonnes of proven + possible (i.e. P50) in December 2006. The BP Statistical Review reported 532 million tonnes, ...
http://www.odac-info.org/node/2761
Production data for five wells were provided sequentially in four phases covering the first 5 years of production history. ... P50 is the value where there is a 50% probability that the actual reserves are greater than this value; ...
http://www.onepetro.org/mslib/servlet/onepetropreview?id=00026388
Home Funding for Research Types of Funding Clinical Research Center Grant [P50] Clinical Research Center Grant (P50) ... “clinical research” is defined as research involving individuals with communication disorders or data/tissues from individuals with a communication disorder.
http://www.nidcd.nih.gov/funding/types/p50/
The frequency weights are in your data the number of households in each interval. su myvar [fw=freq], detail leaves behind r(p50). Then you can count, e.g. su freq if myvar < r(p50), meanonly local lower = r(sum) su freq if myvar = r(p50), meanonly local equal = r(sum) su freq if ...
http://www.stata.com/statalist/archive/2007-03/msg00359.html
Statistical methods have been developed to quantify the uncertainty in any given prediction. The uncertainty risk register A risk register is developed. ... P50 and P99 (1 year) commonly used by financiers in North America P99 P1 . Equity deals
A statistical estimate, based on ANOVA (Nederlof, 1997). A geological adjustment of the statistical dependence through subjectively estimating the geological commonality. ... P50, P10 meaningless and misleading. In the risk case only add the expectations!
Appropriate p50 response to low ambient oxygen tensions. ... Data generated with the Oxygen Status Algorithm support the proposition that a reduced p50 defends mitochondria against environmental hypoxia.
http://web.squ.edu.om/med-Lib/MED_CD/E_CDs/health%20development/html/clients/WAWFSA/html/papers/pap028.htm
Quantile statistics keyword MEDIAN|P50 Q3|P75 P1 P90 P5 P95 P10 P99 Q1|P25 QRANGE Hypothesis testing keyword PROBT T: ... By comparison, to group the entire data set, the time complexity is . Default: 1: Range: an integer between 1 and 100: Example:
http://www.okstate.edu/sas/v7/sashtml/books/pguide/z0146734.htm
Mathematics > Set Theory, Logic, Probability, Statistics ... I'm a software developer. We do estimates based on a P10, P50, or P90 where the P10 ... Quote by dale2k9 I'm a ...
The P01 and P50 grant mechanisms support a minimum of three interrelated projects that contribute to the program objective. The grants may also include ... data, and specialized core resources such as equipment, laboratories, ...
http://www.ninds.nih.gov/funding/ppg_guidelines.htm
One technique that the industry uses to understand and quantify distributions of data is percentiles (or cumulative probabilities). This organizes the distribution into increments between 0 and 100. ... (0.4 x P50)+(0.3 x P90) ...
http://www.visageinfo.com/2011/07/06/so-what-is-the-problem-with-production-type-curves/
What is the peel p50? ChaCha Answer: The Peel P50 was a three-wheeled microcar manufactured in 1963 and 1964 by the Manx Peel Enginee... About ChaCha. ... Message and Data Rates May Apply. If you need help, text HELP to 242-242. To cancel your service, text STOP to 242-242. ChaCha ...
http://www.chacha.com/question/what-is-the-peel-p50
When data is arranged in ascending or descending order, it can be divided into various parts by different values such as quartiles, deciles and percentiles. ... Hence it is proved that Q2 = D5 = P50 = Median ...
http://mba-lectures.com/statistics/descriptive-statistics/603/relationship-between-quartiles-deciles-and-percentiles-grouped-data.html
Overview The GBC Proclick P50 is a small, ... literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, ...
http://acronyms.thefreedictionary.com/P50
The data collected during the resource assessment campaign is a critical input to this micrositing phase. Wind measurement data from multiple sites can significantly reduce the uncertainty of the results. ... (while the P50 estimate remains the same).
http://www.renewableenergyfocus.com/view/10919/recent-developments-in-wind-resource-assessment/
Thus, the observation at the 50th percentile would be denoted P50, ... Statistics: Boxplots (aka, Box and Whisker Plots) A boxplot, sometimes called a box and whisker plot, is a type of graph used to display patterns of quantitative data.
http://www.scribd.com/doc/20559733/Statistics-Tutorial-Random-Variables
Stata for Researchers: Statistics This is part four of the Stata for Researchers series. For a list of topics covered by this series, see the Introduction.
http://www.ssc.wisc.edu/sscc/pubs/sfr-stats.htm
What is the approximate p50 for Hb at very low O 2 concentrations as determined from these plots? a) Approximate p50 (Hb low O 2) = 4 mm Hg: b) ... A tangent to the data line on a Hill plot at 50% saturation will always have a slope on this plot that is less than 1. b) ...
http://mcdb-webarchive.mcdb.ucsb.edu/sears/biochemistry/practicequizzes/prqz06/prqz06.asp
Statistics 2 - Bernoulli's Formula. Bernoulli Trials - Binomial Probability Distribution. The formula used with Bernoulli trials computes the binomial probability of obtaining exactly "r" events in "n" trials: n = number of trials r ...
http://mathbits.com/MathBits/TISection/Statistics2/bernoulli.htm
In descriptive statistics, a decile is any of the 9 values that divide the sorted data into 10 equal parts, ... P50 = D5 = Q2 = median value P75 = Q3 P100 = D10 = Q4 P10 = D1 P20 = D2 P30 = D3 P40 = D4 P60 = D6 P70 = D7 P80 = D8 P90 = D9. 5 years ago;
P50 P10 Hydrologic Data and Statistics. Data Classification Current vs. Historic Current A recent Long-term period during which Structural Alterations and hydrologic stresses are stable Historic A Long-term period when there are no measurable impacts due
Imprint: P50 Color: Blueish/Green Gell Shape: Oval. Question is Closed: Report Mark as Favorite: Answers (1) Plain Jane. ... Data sources include Micromedex™ (updated May 16th, 2013), Cerner Multum™ (updated May 20th, 2013), Wolters Kluwer™ (updated Apr 30th, 2013) and others.
Let Y be normal Let P95 be the 95th percentile of Y Let P50 be the 50th percentile of Y If Y is sampled many times, P95 and P50 both are normal variables. Register; Help ... By links0311 in forum Statistics Replies: 2 Last Post: 03-15-2009, 10:19 AM. Percentile Help. By Melissa920 in ...