Stats >> WebLog >> Archive 2008

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December 2008

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August 2008

July 2008

Weblog entries for June 2008

• Stats: Bootstrap estimates of the standard error (June 20, 2008).
• Stats: Running R on a web server (June 17, 2008).
• Stats: Can I run a quantitative analysis on this data? (June 17, 2008).
• Stats: Criticism of random effects in a meta-analysis (June 14, 2008).
• Stats: Modeling a declining count variable (June 14, 2008).
• Stats: Eliciting a prior distribution for rejection/refusal rates (June 7, 2008).
• Stats: When does heterogeneity become a concern? (June 5, 2008).

What I am reading in June 2008

• Email Address Munger/Email Address Encoder.
• The role of clinical uncertainty in treatment decisions for diabetic patients with uncontrolled blood pressure.
• The "3T's" road map to transform US health care: the "how" of high-quality care.
• How much loss to follow-up is acceptable in long-term randomised trials and prospective studies?
• If we're so different, why do we keep overlapping? When 1 plus 1 doesn't make 2.

Weblog entries for May 2008 (6 entries)

• Stats: How wide can you make a line of your web page? (May 27, 2008).
• Stats: A simple Bayesian model for exponential accrual times (May 26, 2008).
• Stats: A short biography that can be used as an introduction (May 9, 2008).
• Stats: Why does a Bayesian approach make sense for monitoring accrual? (May 8, 2008).
• Stats: Slipped deadlines and sample size shortfalls in a random sample of research studies (May 7, 2008).
• Stats: Monitoring refusals and exclusions in a clinical trial (May 1, 2008).

What I was reading in May 2008

• How to interpret figures in reports of clinical trials.
• What constitutes a "clinical trial"?: A survey of oncology professionals.
• Pediatric Drug Studies Seen as Obligation of Other Parents' Kids.
• Overconfidence as a Cause of Diagnostic Error in Medicine.
• Missed and delayed diagnoses in the ambulatory setting.

Weblog entries for April 2008 (11 entries)

• Stats: Directions to my new office (April 25, 2008).
• Stats: Nomination for the Kreamer Award for Research Excellence (April 24, 2008).
• Stats: Upcoming topics in Poisson regression (April 24, 2008).
• Stats: I hate bad research examples (April 23, 2008).
• Stats: Evidence Based Medicine for patients (April 23, 2008)
• Stats: A brief overview of instrumental variables (April 14, 2008).
• Stats: What does one-third of the way through a study mean? (April 6, 2008).
• Stats: A simple math error (April 6, 2008).
• Stats: Calculating statistics on whole numbers (April 4, 2008).
• Stats: An alternative to the p-value (April 3, 2008).
• Stats: Why we need case studies of research ethics in graphic novel format (April 3, 2008).

What I was reading in April 2008

• GRADE: an emerging consensus on rating quality of evidence and strength of recommendations.
• GRADE working group.
• How do we assess the quality of information?
• Negative Consequences of Dichotomizing Continuous Predictor Variables.
• StatLinks: Applied statistics, data analysis, and visualization
• Instrumental variable.
• Instrumental Variable Estimation.
• Blind Prejudice - "Hard" scientists believe they are immune to bias.
• Don't Ask, Don't Tell? Transfer and Sale of De-Identified Patient Data.
• An alternative to null-hypothesis significance tests.
• Database of mRNA gene expression profiles of multiple human organs.
• The use of bootstrap methods for analysing Health-Related Quality of Life outcomes (particularly the SF-36).
• Sample size and power estimation for studies with health related quality of life outcomes: a comparison of four methods using the SF-36.

Weblog entries for March 2008 ( 8 entries)

• Stats: What sort of statistical training is needed for basic scientists? (March 29, 2008)
• Stats: Statistics for Boards (March 25, 2008)
• Stats: Presenting unadjusted and adjusted estimates side by side (March 24, 2008)
• Stats: When a client asks for a bad analysis (March 24, 2008)
• Stats: ROC curve for an imperfect gold standard (March 12, 2008)
• Stats: Simplifying repeated measurements (March 12, 2008)
• Stats: Losing web pages in the mass of information (March 5, 2008)
• Stats: Calculating NNT for observational studies (March 3, 2008)

What I was reading in March 2008 (12 entries)

• AP Statistics Module. Sampling and Experimentation: Planning and Conducting a Study. (PDF).
• The Zoo of Loglinear Analysis.
• Methods for confidence interval estimation of a ratio parameter with application to location quotients.
• Confidence Intervals Involving Data to Which a Logarithmic Transformation Has Been Applied.
• Scientific Papers and Presentations (PDF).
• DM Review.
• The History of Human Medical Experimentation in the United States.
• Peer-reviewed publication of clinical trials completed for pediatric exclusivity.
• Trial Registration at ClinicalTrials.gov between May and October 2005.
• AGREE (Appraisal of Guidelines REsearch Evaluation) Collaboration.
• Correspondence Analysis.
• Simpson's Paradox, Lord's Paradox, and Suppression Effects are the same phenomenon - the reversal paradox.

Weblog entries for February 2008 (3 entries)

• Stats: Assessing the assumption of an exponential distribution (February 25, 2008)
• Stats: What is a critical value? (February 22, 2008)
• Stats: Multiple methods for computing percentiles (February 13, 2008)

What I was reading in February 2008 (3 entries)

• Accuracy of Statistical Packages.
• Absolute and relative truth in clinical trials.
• Cluster without fluster: The effect of correlated outcomes on inference in randomized clinical trials.

Weblog entries for January 2008 (12 entries)

• Stats: Does prevalence affect sensitivity (January 31, 2008)
• Stats: A simple example of a Kaplan-Meier curve (January 24, 2008)
• Stats: How do you analyze safety data (January 22, 2008)
• Stats: Finding only the important studies (January 21, 2008)
• Stats: What have you changed your mind about (January 18, 2008)
• Stats: ASA Pressroom credentials (January 11, 2008) (coming soon!)
• Stats: Too much power and precision? (January 9, 2008)
• Stats: The post-modern assault on evidence-based medicine, part 3 (January 7, 2008)
• Stats: High altitude effects on athletic performance (January 5, 2008)
• Stats: What statistic should I use when? (January 4, 2008)
• Stats: Type III error (January 3, 2008)
• Stats: New format for articles, books, and websites (January 1, 2008)

What I was reading in January 2008 (16 entries)

• Australasian Data and Story Library (OzDASL).
• Bioethics Issues.
• A Brief Guide to Questionnaire Development.
• Comparative response to a survey executed by post, email, & web form.
• CONSORT for Reporting Randomized Controlled Trials in Journal and Conference Abstracts: Explanation and Elaboration.
• The Data and Story Library (DASL).
• The Hawthorne effect: a note
• Information Is Not Entropy, Information Is Not Uncertainty!
• Journal of Statistics Education (JSE) Data Archive.
• Multiple Comparisons with Repeated Measures.
• The Mysterious Placebo.
• Narrative evidence based medicine.
• The Placebo Effect.
• Prospective, randomized evaluation of a personal digital assistant-based research tool in the emergency department.
• The XBabelPhish MAGE-ML and XML Translator.
• Yes, Polling Works.
• In the Era of Systematic Reviews, Does the Size of an Individual Trial Still Matter.
• Type I and type II errors
• Background frequencies for residue variability estimates: BLOSUM revisited

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