need to solve. Basics stat ppt-types of data Farhana Shaheen 23.3k views Null hypothesis AND ALTERNAT HYPOTHESIS ADESH MEDICAL COLLEGE 53.5k views Presentation of data Ruby Ocenar 256k views Research Design gaurav22 401.8k views Standard deviation P. G. Department of Botany, Berhampur University 82.6k views Chi squared test Dhruv Patel 6.4k views It appears that you have an ad-blocker running. Sample Size for Continuous Data Stata input: Mean 1 = 20, mean 2 = 30, = .05, power (1-) =.8, std. Quantitative vs. Qualitative: Prototypical Studies Experimental or correlational designs are used to reduce error, bias and the influence of extraneous . Clarification Standard Deviation measures the variability or spread of the data in an individual sample. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Do not sell or share my personal information, 1. Clipping is a handy way to collect important slides you want to go back to later. > g Clinical Research Methods - . roger l. bertholf, ph.d., dabcc associate, Statistical Methods - . Non-parametric Tests Testing proportions (Pearsons) Chi-Squared (2) Test Fishers Exact Test Testing ordinal variables Mann Whiney U Test Kruskal-Wallis One-way ANOVA Testing Ordinal Paired Variables Sign Test Wilcoxon Rank Sum Test. Whatever your area of interest, here youll be able to find and view presentations youll love and possibly download. {k68vX o F?5z[gfA)aU[x[~z ^SK&Kamis~ [] 5okev{\-p5}a0Ly O/;]/nEQ)Rllp.k$n-w87[W n)f3}u=[`9cf UhsH-"A The Statistics and Methods Core supports CCPR research and training by providing expertise in the choice, development, and implementation of statistical methodology. Looks like youve clipped this slide to already. For example, suppose we measure the weight of 100 patients in a study. Test about a slope. The scientific study of behavior and mental processes Philosophical Developments A Question Introduction%20linkage%20analysis,%20Genetic%20markers,%20mapping%20functions%20Lecture%203. But m 2n1 N, so n1 ()(N, n2 N - n1 ()(N - m). 2. When the sample size is small, the estimation and testing procedures of Chapter 8 are not appropriate. Often presented graphically as a 2 X 2 Table, Chi-Squared (2) Test Chi-Squared (2) Formula Not applicable in small samples If fewer than 5 observations per cell, use Fishers exact test, Correlation Assesses the linear relationship between two variables Example: height and weight Strength of the association is described by a correlation coefficient- r r = 0 - .2 low, probably meaningless r = .2 - .4 low, possible importance r = .4 - .6moderate correlation r = .6 - .8 high correlation r = .8 - 1 very high correlation Can be positive or negative Pearsons, Spearman correlation coefficient Tells nothing about causation, Correlation Source: Harris and Taylor. - biomedical Signal processing Chapter 1 Introduction Zhongguo Liu Biomedical Engineering School of Control Science and Engineering Analysing continuous data Parametric versus Non-parametric methods. RESEARCH (PART 1 Activate your 30 day free trialto unlock unlimited reading. (Pead), Ph.D. (Yoga Science) R E S E A R C H M E T H O D S. Well convert it to an HTML5 slideshow that includes all the media types youve already added: audio, video, music, pictures, animations and transition effects. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. Explanatory & Response Variable in Statistics A quick guide for early career researchers! Test to Compare Two Population Variances. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. a large study dooms you to statistical significance Anonymous Statistician. Research & Expertise - Missing Data & Observational Data Modeling Methods - Record Linkage & Machine Learning Methods - Enago.tw | Reviso de Texto- Enago.com.br | Ingilizce Dzenleme- Enago.com.tr, Copyright 2023 - ALL RIGHTS RESERVED | Privacy Policy | Terms & Conditions | Contact Us. They are all artistically enhanced with visually stunning color, shadow and lighting effects. CCPR offers "drop-in" statistical consulting services to meet short-term needs of CCPR affiliates. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Now customize the name of a clipboard to store your clips. Teaching Assistants: Katie Tranbarger & Scott Spicer, Y or unravel reasons/causes of - MAS1401 Statistical Methods An Introduction to Statistical Methods used in the Agricultural and Biological Sciences Lecturer: Dr David Walshaw School of Mathematics Statistics 202: Statistical Aspects of Data Mining, - Statistics 202: Statistical Aspects of Data Mining Professor David Mease Tuesday, Thursday 9:00-10:15 AM Terman 156 Lecture 13 = Finish Chapter 5 and Chapter 8, - Title: CHAPTER 6: LINEAR PROGRAMMING Author: chen_zhimin Last modified by: user Created Date: 10/20/2004 1:00:08 PM Document presentation format. So, the of distinct ways in which N objects, This is the same as the of distinct ways of, The probability WN(n1) of taking N steps, with, This probability distribution is called the, This is because the Binomial Expansion has the, We really want the probability PN(m) that x ml, PN(m) WN(n1). Tap here to review the details. Statistical Methods in Clinical Trials - . 4 R $ KT XAYM( "n R $ SJqO& U "n R $ 2N[q Interquartile range Is the range of data from the 25th percentile to the 75th percentile Common component of a box and whiskers plot It is the box, and the line across the box is the median or middle value Rarely, mean will also be displayed. Statistical methods in medical research. chapter 7(7.1 &7.2): theory and application of the, An Intensive Course in Clinical Research Methods - . al. You can read the details below. Used with nominal data (better/ worse; dead/alive) If there is a substantial difference between observed and expected, then it is likely that the null hypothesis is rejected. dev. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. The application of statistical methods extracts information from . Chapter 1 Introduction. If so, share your PPT presentation slides online with PowerShow.com. Clinical Research Methods - . continuous blood pressure time to event. Tentative date of next journal submission: For what are you most likely to depend on AI-assistance? methods research methods quantitative methods qualitative methods mathematical statistical methods interviews structured semi structured Download Presentation Research Methods An Image/Link below is provided (as is) to download presentation }>@X'- (W? vORv[K? Click here to review the details. REACH Resources | Informing more effective humanitarian action TI%)$IJB'mVl~~ {kc$N/^\p% I]zDdA h7+L$"H.1KaP Zs.emeni"^]WON/~whm{+?4sZ@2 !X(5Ze `gookv mp9@TX_Ku~K%goECcx:n;?(7 Do not sell or share my personal information, 1. By accepting, you agree to the updated privacy policy. Data types Summarizing data using descriptive statistics Standard error Confidence Intervals. Each step is of length, axis must be x ml where m a positive or a, Question After N steps, what is the probability. Common Statistical Methods for Clinical Research with SAS Examples, Third Edition. Chapter 2 - Summary. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: gnhall@darkwing.uoregon.edu. Can be ratio Ratio of the measures has meaning Weight, height, Types of Data Why important? (Pearsons) Chi-Squared (2) Test Used to compare observed proportions of an event compared to expected. Univariate, bivariate analysis, hypothesis testing, chi square, Medical Statistics Part-I:Descriptive statistics, Choosing the Right Statistical Techniques, Basics of Educational Statistics (Inferential statistics), Statistics in research by dr. sudhir sahu, Basics of Educational Statistics (Descriptive statistics), CABT Math 8 measures of central tendency and dispersion, SHAYA'A OTHMAN MANAGEMENT & RESEARCH METHODOLOGY, STATISTICAL PROCEDURES (Discriptive Statistics).pptx, Operation research history and overview application limitation, Use of quantitative techniques in economics. Most research studies result in a extensive. Princy Francis M - PowerPoint PPT presentation Number of Views: 637 Avg rating:3.0/5.0 Slides: 67 Provided by: Charles7 (n1 0?N) N!/(n1! Example: A relative risk of 4 might have a confidence interval of 1.05 to 9, suggesting that although the estimate is for a 400% increased risk, an increased risk of 5% to 900% is plausible. Ratio of two interval data points has no meaning Temperature in celsius, day of the year). - Chapter 8: Introduction to Find the lower and upper confidence limits. Each has, A molecule travels in 3 dimensions with a mean, The techniques used are Powerful General. If it appears they are not from same population, cant tell which sample is different. If a confidence interval range is very wide, then plausible value might range from very low to very high. Forget the drunk, lets get back to Physics! Schedule Introduction Data Analysis--Introduction Data Collection Instruments Issues in Research Design Sample Size Sources of Error Practical Statistics for Medical Research. Ratios: if CI includes 1, then is not significant The interval contains the true population value 95% of the time. So, the relative, ? When comparing two samples, we usually cannot be sure which is going to be be better. @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f h i j k l m n o p q r s t u v w x y z { | } ~ Fn KT XAYM( JFIF f f Exif MM * b j( 1 r2 i f f Adobe Photoshop CS Macintosh 2008:11:28 11:45:55 &( . STATISTICAL PROCEDURES (Discriptive Statistics).pptx MuhammadNafees42 158 views Sampling design 6.5k views Method of data collection Research problem Balaji P Balaji P Balaji P Balaji P 33k views Use of quantitative techniques in economics Balaji P Recently uploaded 265.ppt sanjaykj6 Apple 2022-Q4 Income Statement chart.pdf BobKane13 august 12, 2009. N atoms, each with magnetic moment . Practical Statistics for Medical Research, Correlation Correlation Coefficient .3 Correlation Coefficient 0 Source: Altman. Mid-value in interquartile range. making, Statistical Methods - Prognostic factors of survival in a randomized phase iii trial (mpact) of weekly nab -paclitaxel. need to solve 1023, Quantum Schrdingers Equation ?? Methods of Collecting Data biomedical Signal processing ???????? collecting and describing data. The unit staff provide advice about what to do and how to do it as well as . H H JFIF H H Adobe_CM Adobe d We've updated our privacy policy. Practical Statistics for Medical Research, Correlation Correlation Coefficient .7 Correlation Coefficient -.5 Source: Altman. It appears that you have an ad-blocker running. Blackwell Scientific Publications, Oxford. gordon c. nagayama hall 355 straub phone: 346-4969 e-mail: Clinical Research Methods - . By accepting, you agree to the updated privacy policy. The Probability of an occurrence of a particular, Example In throwing a pair of dice, we can give, Note that this probability depends strongly on. the spread of the u values about the mean u. - Chapter 9. (N-n1)!n1pn1qn2, But, for our special case (p q) 1, (p q)N-1, Summary The mean number of steps to the right, We might have guessed this! After N steps, the particle is at position, Let n1 of steps to the right (of N), n2, Thus, if N is odd, so is m and if N is even, so, successive steps are statistically independent, Let p the probability of stepping to the right, Since each step is statistically independent, the, But, also, clearly, there are MANY different, The of distinct possibilities is the SAME as, 1st place Can be occupied any one of N ways, 2nd place Can be occupied any one of N - 1, 3rd place Can be occupied any one of N - 2, (N 1)th place Can be occupied only 2 ways, ? christopher s. coffey. Almost never, NOTE A knowledge of the probability distribution, In order to uniquely determine a distribution, Also well discuss a few math tricks for doing, The probability in N steps of making n1 to the, p the probability of a step to the right, q 1, (p q)N ? You might get some help from www.HelpWriting.net Success and best regards! x d P xuKAs b*Q0*9" (#D4FhgcZ;bg*sF"q][m\D Dt+a]|a#lsn8,3_:?i5jrWydw #T iv^\s'fRf9/j&&vFs7nKS"_EGiIC-JK|T7{E?cxgM/(+Q1gKzehH}O'4iUA3Mc+2c~zK|{} Dvk9/ @ H | xcdd``> @c112BYL%bpu. Presentation Transcript. Zhi Chen Civil Engineering PhD with great quantitative analysis skills actively seeking for a data scientist/analyst position Brief description about Descriptive statistics for dummies with solved examples. For example, tables or graphs are used to organize data, and descriptive values such as the average score are used to summarize data. So, lt(?m)2gt 4lt(?n1)2gt, Summary 1 Dimensional Random Walk Problem, Probability Distribution is Binomial WN(n1), Mean number of steps to the right ltn1gt Np. Activate your 30 day free trialto unlock unlimited reading. PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. p. The, the lamp post is at x 0. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. Talk about Probabilities Average Properties, We are NOT concerned with the detailed behavior, An Isolated System is in Equilibrium when its, But, note! (Ensemble the French word for assembly). Spies M.D., MPH Professor of Radiology Georgetown University School of Medicine Washington, DC. descriptive statistics inferential statistics. diana trandabat 2013-2014. the sentence as a string of words e.g i saw the lady with. The SlideShare family just got bigger. Tap here to review the details. - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Activate your 30 day free trialto unlock unlimited reading. - STAT 13, UCLA, Ivo Dinov. types of data. This analysis doesnt take into. You never know which directions study results will go. Test to compare two means (independent) Test to compare two means (paired) Test to compare two proportions. Click here to review the details. Li leads a research group called the Junction of Statistics and Biology, where she and her students focus on developing statistical and computational methods to answer important questions in biological and biomedical sciences and to extract key information from genomics and health-related data. (3).pdf, Advanced Python Skills for Data Scientists, No public clipboards found for this slide, Enjoy access to millions of presentations, documents, ebooks, audiobooks, magazines, and more. Comparative descriptive survey research design was employed to answer the research questions raised. or the 2nd Moment of P(u) about the mean. Clearly, m n1 n2, so ltmgt ltn1gt - ltn2gt N( p, So, if p q , ltmgt 0 so, ltxgt ltmgtl 0, Question 3 What is the dispersion (or variance), That is, what is the spread in n1 values about, So, we first need to calculate the quantity, Use a similar trick as we did before note, After algebra (in the book) using p q 1, we, So, finally, using lt(?n1)2gt lt(n1)2gt - (ltn1gt)2, This is the dispersion or variance of the, The root mean square (rms) deviation from the, (?n1) ? February 13, 2010. 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The independent variable is often seen as influencing, directly or indirectly, the dependent variable. Similarly, we can, Of course, ltn1gt ltn2gt N(p q) N as it. For routine medical research, use only two-sided tests. Many studies are completed without proper estimate of appropriate study size. Analysis of Time Series Data 9.1 Basic concepts 9.2 General model formulations 9.3 Smoothing methods 9.4 OLS regression models 9.5 Stochastic time series CHAPTER 2 Research Methods in Industrial/Organizational Psychology. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. I am looking for Editing/ Proofreading services for my manuscript Clipping is a handy way to collect important slides you want to go back to later. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Confidence Intervals Commonly reported in studies to provide an estimate of the precision of the mean. ? In it's simplest, idealized form, the random walk problem can be viewed as in the figure . Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. - Chapter 7 Sampling and Sampling Distributions Simple Random Sampling Point Estimation Introduction to Sampling Distributions Sampling Distribution of Sampling - Statistics 202: Statistical Aspects of Data Mining Professor David Mease Tuesday, Thursday 9:00-10:15 AM Terman 156 Lecture 12 = More of Chapter 5, Chapter 1: Introduction and Research Methods. Free access to premium services like Tuneln, Mubi and more. PowerShow.com is a leading presentation sharing website. Research Scholar at Indian Institute of Technology, Madras. Statistics presents a rigorous scientific method for gaining insight into data. - An Introduction to Statistical Problem Solving in Geography - 2nd Edition . ADVANCED STATISTICAL METHODS IN AGRICULTURAL RESEARCH - . You can read the details below. PowerPoint PPT presentation, CHAPTER 12 STATISTICAL METHODS FOR OPTIMIZATION IN DISCRETE PROBLEMS, - Slides for Introduction to Stochastic Search and Optimization (ISSO) by J. C. Spall CHAPTER 12 STATISTICAL METHODS FOR OPTIMIZATION IN DISCRETE PROBLEMS, | PowerPoint PPT presentation | free to view, Chapter 8: Introduction to Statistical Inferences. 3rd edition. collection, statistical analysis, and making appropriate inferences from the data. (n1, Question 1 What is the mean number of steps to, We can do this sum by looking it up in a table OR. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. ; The sampling interval, i, is determined by dividing the population size N by . Data presentation. Statistical Tests Parametric tests Continuous data normally distributed Non-parametric tests Continuous data not normally distributed Categorical or Ordinal data, Comparison of 2 Sample Means Students T test Assumes normally distributed continuous data. Very helpful- In analysis of height and weight, for a known height, one can predict weight. Statistical methods assist in classification in four ways: in devising probability models for data and classes so that probable classifications for a given set of data can be identified; in developing tests of validity of particular classes produced by a classification scheme; in comparing different classification schemes for effectiveness; and 1994. page 99 63 Tips 6 (b) P-value vs. 95CI (4) Adapted from Armitage, P. and Berry, G. Statistical methods in medical research. Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. Data presentation is an extension of data cleaning, as it involves arranging the data for easy analysis. 3rd edition. Not applicable in categorical data Definition: Sum of all the values in a sample, divided by the number of values. This can be easily generalized to 2 dimensions. Clipping is a handy way to collect important slides you want to go back to later. Activate your 30 day free trialto continue reading. The PowerPoint PPT presentation: "Chapter 1: Introduction to Statistical Methods" is the property of its rightful owner. Statistics by Statistical Research and Training Center Philippine Statistical Association , Inc. (Power point presentation on the different concepts of Statistics) Elementary Statistics by Yonardo A. Gabuyo et. Types of data Continuous data Theoretically infinite possible values (within physiologic limits) , including fractional values Height, age, weight Can be interval Interval between measures has meaning. Do not sell or share my personal information, 1. Four hundred and twenty nine participants were selected randomly using stratified sampling followed by lottery method. We focus on methods in eight areas of statistical research and maintain expertise in each. Research Method.ppt 1 of 70 Research Method.ppt Feb. 01, 2010 169 likes 47,695 views Education Shama Follow Advertisement Advertisement Recommended Research in education Vijayalakshmi Murugesan 2.3k views 65 slides Research methodology Md Saifullah Khalid 7.1k views 32 slides Rm chapter 2 report cheppumol 535 views 10 slides Learn faster and smarter from top experts, Download to take your learnings offline and on the go. diana trandabat 2013-2014. cky parsing. Then you can share it with your target audience as well as PowerShow.coms millions of monthly visitors. One-sided vs. Two-sided Most tests should be framed as a two-sided test. Rex Book Store ; Assessment of Learning I and II by Dr. Rosita De Guzman-Santos, LORIMAR Publishing, 2007 Ed. BIOS:6610 STATISTICAL METHODS IN CLINICAL TRIALS - . Medical Statistics Made Easy, Correlation Perfect Correlation Source: Altman. Statistical methods are essential for scientific research. Even if its Macroscopic parameters, Section 1.1 Elementary Statistical Concepts, Some math preliminaries ( methods) for the next, To treat statistical physics problems, we must, Keep in mind Whenever we want to describe a. So the probability, which is probably the most elementary (discrete), As another example, suppose that p q , N, The Binomial Distribution is only one example of, Most of the following results are valid for ANY, Let u a variable which can take on any of M, with probabilities P(u1),P(u2),P(u3),..,P(uM-1),P, The Mean (average) value of u is defined as, S1 P(u1) P(u2) P(u3) .. P(uM-1) P(uM), For a properly normalized distribution, S1. 8p" O . R $ i4N5y } R $ `N%L B RX R $ M>3O'2 X R $ In her current role, she is involved with the collection and analysis of big data for institutional and pedagogical research, and presentation of findings to internal . B^uuhm?}{].~}v_J;xogJY]@.)oqC? By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more. If two samples, is the same as the T test. The sample is chosen by selecting a random starting point and then picking every i th element in succession from the sampling frame. ? Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. More than one method is . Statistical Methods. Now customize the name of a clipboard to store your clips. Use of emergent design utilizing constant comparison and revision. Activate your 30 day free trialto unlock unlimited reading. We've updated our privacy policy. Regression Based on fitting a line to data Provides a regression coefficient, which is the slope of the line Y = ax + b Use to predict a dependent variables value based on the value of an independent variable. STATISTICAL ANALYSIS Sz_]WMi4}S:4c_KC%. Looks like youve clipped this slide to already. Free access to premium services like Tuneln, Mubi and more.
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