The methodology tag has no wiki summary.
2
votes
0answers
35 views
Statistical faults of the article relating GDP growth with certain non-sensical variable
Colleague draw my attention to the following discussion paper. In my opinion this discussion paper is clearly intended as a critique of the routinely published articles in the field. The discussion ...
1
vote
1answer
32 views
How can I know a random small subsample has a good performance?
Sorry, if the title is confusing. not native speaker here.
I ran a survey study which had 15 7-point likert scale questions. Each question is ask people to judge how creativity an object in the ...
5
votes
2answers
168 views
When to use Fisher and Neyman-Pearson framework?
I've been reading a lot lately about the differences between Fisher's method of hypothesis testing and the Neyman-Pearson school of thought.
My question is, ignoring philosophical objections for a ...
0
votes
2answers
52 views
How to identify patterns/associations in network traffic?
The web-based company I work for has a system that receives packets of information from external sites. I would like to know what approaches can be used to identify patterns or associations between ...
12
votes
4answers
315 views
Examples of costly consequences from improper use of statistical tools
I suspect that most users of statistical tools are ancillary users (folks who have had little to no formal training in statistics). It’s very tempting for researchers and other professionals to apply ...
3
votes
1answer
174 views
How can I be confident about my forecasts and improve my methodologies?
Background
I usually do a fair amount of forecasting using ARIMA, linear or multivariate regressions, polynomial trends, etc. A lot of this forecasting is for simplistic use and not really basis for ...
2
votes
3answers
91 views
How to develop a forecast for counts where the counts per period is low?
I'm trying to analyze for any trends in what I consider to be low observations or counts.
Let's say you have a bus service with the following commuters:
year average count
2001 12
2002 15
2003 ...
0
votes
0answers
53 views
Sampler method to choose in Monte Carlo Markov chain estimation
When estimating the posterior via MCMC, are there guidelines on the best sampling method to use depending on the nature of the data?
There are a variety of forms of MCMC - the Gibbs sampler, the ...
3
votes
0answers
223 views
What is the best statistical method to compare case fatality rates of 17 years for 2 different states?
I have Case Fatality Rates (deaths per 100 cases) for 2 different states receiving different treatments for 17 years.
What is the best statistical method to compare Case Fatality Rates ?
The data ...
10
votes
1answer
205 views
Is it worthwhile to publish at the refereed wiki StatProb.com?
Background
I read about StatProb.com from a comment on Andrew Gelman's Blog.
According to the website, StatProb is:
StatProb: The Encyclopedia Sponsored
by Statistics and Probability
...
11
votes
2answers
316 views
Choosing seasonal decomposition method
Seasonal adjustment is a crucial step preprocessing the data for further research. Researcher however has a number of options for trend-cycle-seasonal decomposition. The most common (judging by the ...
1
vote
2answers
113 views
What's the difference between “measurement method” and “measurement procedure”?
The ISO VIM defines them as:
measurement method:
generic description of a logical organization of operations used in a
measurement.
measurement procedure: detailed description of a ...
9
votes
3answers
687 views
Top five classifiers to try first
Besides obvious classifier characteristics like
computational cost,
expected data types of features/labels and
suitability for certain sizes and dimensions of data sets,
what are the top five (or ...
3
votes
2answers
306 views
Multiple regression with binary predictors. Component value analysis
I have the data about process duration (in minutes) and components (procedures) done during it like this (CSV):
id,time,p1,p2,p3,p4
1,30,1,0,0,0
2,32,1,0,0,0
3,56,1,1,0,0
4,78,1,1,0,1
5,78,1,1,0,1
...
21
votes
31answers
2k views
Most famous statisticians
What are the most important statisticians and what is it that made them famous? (Reply just one scientist per answer please)
4
votes
4answers
578 views
Small sample linear regression: Where to start
FULL DISCLOSURE: This is homework.
I have been provided with a small data set (n=21) the data are messy, looking at it in a scatterplot matrix provides me with little to no insight. I've been ...
5
votes
2answers
410 views
Preferred method for identifying curvilinear effect in multi-variable regression framework
Say some previous findings identified a curvilinear effect of X on Y, (specifically that X had a positive effect on Y, and that X^2 had a negative effect). You want to see if the same holds for your ...
6
votes
1answer
364 views
What are some good frameworks for method selection?
I have been looking into theoretical frameworks for method selection (note: not model selection) and have found very little systematic, mathematically-motivated work. By 'method selection', I mean a ...
