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20 views

Applications of High-dimensional data analysis techniques in Industry

The high-dimensional data analysis in statistics/biostatistics is booming over recent two decades, and is becoming the frontier of modern statistics research. The penalized regularization techniques, ...
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3answers
56 views

Good applied text for linear regression

I have a pure math background and am now studying statistics. For additional study in my linear regression and time series class, my professor suggested a more applied text rather than a higher level ...
2
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0answers
29 views

Where is the uniform distribution with one parameter ($U(\theta, k \theta)$) useful for modelling?

I recently came across the distribution $U(\theta, k \theta)$ (where k is known) in the context of statistical theory (as a nice toy example for finding MLE and the likes). However, I was wondering ...
3
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1answer
46 views

How to report results from analyses that did not converge

I am an analyst on a paper and, in writing up methods and results, noted that one of the proposed (logistic regression) models did not converge due to separation. I noted this in the results section ...
0
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0answers
16 views

Polynomials and NSA

I'm looking for some applications of criteria of irreducibility of integer polynomials inside and outside mathematics. I was reading the CV of Filaseta, a great researcher in this area, and he has ...
0
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0answers
24 views

How to determine whether a sales campaign is effective?

Assuming that I have an online ecommerce store. Recently, for one of the products, I want to run a sales campaign for the product for a period of time. The effectiveness is defined solely in terms of ...
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2answers
131 views

Regarding switch from pure mathematics to machine learning: opinions and information [closed]

I'm a first year postdoc in pure mathematics (geometry/topology with strong background in analysis) with undergraduate statistics and probability background (with also measure theoretic probability). ...
4
votes
2answers
225 views

How useful is the CLT in applications?

My lecturer just covered the Lindberg-Levy central limit theorem and the multivariate version, the Lindberg-fuller CLT. I understood the basic concept and I can derive it, etc. But it would help my ...
8
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2answers
168 views

Approximating the relative quantities of coins in Canada

Would it be possible to approximate accurately the relative quantities of Loonies, Twoonies, quarters, dimes, nickles (and perhaps the discontinued penny) in circulation from simply obtaining a large ...
3
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0answers
55 views

Coverage rates of confidence intervals in reality

One proves mathematically that if assumptions of a model are satisfied, then the coverage rate of a $100p\%$ confidence interval is $100p\%$. But then statistics gets applied to the world, where ...
3
votes
1answer
158 views

Compare different statistical models that forecast the same result

Background: I'm assessing the future condition of a product where we have 18,000 units in the inventory. The product can be assessed as Poor, Fair, Good, or Excellent, based on a ...
6
votes
3answers
548 views

Applications of Data Mining in economics [closed]

I am looking for a thesis topic for my Applied Economics degree where I can use Data Mining/Machine Learning for some kind of prediction. Do you guys have any good ideas about what I could do? My ...
0
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0answers
30 views

bounds of wavelet coefficients of function

Let $A_k^p:=\{f:\, \|(ix)^k\hat{f}(x)\|_p\leq 1\}, k \in Z_+, p \in (1, \infty)$. I am wondering what the application of the lower and upper bounds of wavelet coefficients of the function on the ...
3
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0answers
31 views

Application to a real life problem: identifying outliers in univariate time series data [duplicate]

I have a rather simple problem that I'm having trouble deciding an answer upon. As a student studying Statistics I'm very familiar with terminology and theory but I suppose I'm stumped on my first ...
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2answers
170 views

Is classifying documents according to their topic useful for any application? [closed]

Suppose that we have digitized document images; we pass this documents through OCR and we get text text documents, that we classify according to their topics in different classes such as payroll, ...
6
votes
2answers
168 views

Where can I use Chebychev's inequality?

What are some real-world applications where I can leverage Chebychev's inqueality? All the examples I find are either related to coin tosses or some school scores related problems. Are there any ...
0
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2answers
71 views

Book on computational data analytics and applications of data analytics

I'm looking for books / papers / articles for understanding: Computational Techniques for Large-Scale Data Analysis. This covers: mining, cluster analysis, association analytics, MapReduce, ...
0
votes
1answer
87 views

Any actual applications based on “dirichlet distribution servers as a conjugate prior for multinomial distribution”

Conjugate prior is useful and beautiful in theory, for instance, Dirichlet distribution can serves as the conjugate prior for multinomial distribution. But I don't find any actual applications based ...
2
votes
2answers
558 views

Application of Bayes' theorem

Background: My professor gave us several copies of his hand-writing handouts last week. Due to the low quality of printer, there are several words in the handouts cannot be recognized. However, I ...
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4answers
6k views

Real-life examples of common distributions

I am a grad student developing an interest for statistics. I like the material over-all, but I sometimes have a hard time thinking about applications to real life. Specifically, my question is about ...
9
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3answers
499 views

Good summaries (reviews, books) on various applications of Markov chain Monte Carlo (MCMC)?

Are there any good summaries (reviews, books) on various applications of Markov chain Monte Carlo (MCMC)? I've seen Markov Chain Monte Carlo in Practice, but this books seems a bit old. Are there ...
30
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4answers
2k views

Good games for learning statistical thinking?

Are there any games that get the player "think like a statistician"? For example, lightbot gets you to "think like a programmer" (in a very basic way). Are there any games - designed for ...
4
votes
2answers
339 views

Sorting answers, given overvotes and undervotes

At many question-and-answer sites, like StackExchange, people can upvote or downvote each answer. These sites also typically try to use the votes to sort answers, so the answers that are most likely ...
3
votes
2answers
164 views

How can I calculate a rate between two “moving” data sets?

I own a software business that follows a common pattern: Interested people can download the software and try it free for 30 days, and if they like it, they can buy it at any time during those 30 days ...
8
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1answer
1k views

How does the Kinect use random forests?

I read on this site that apparently the Kinect uses the random forests algorithm for machine learning in some way. Can anyone explain what it uses random forests for, and how their approach works?
5
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2answers
427 views

Subdivisions in statistics

I was having a discussion with a statistics professor a while ago about the different 'flavours' of statistics (frequentist, Bayesian, ...). He posed that he would subdivide statistics in four ...
2
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3answers
318 views

Ideas for visualising and analysing grocery store data

I have gotten a student job in the management department of a chain of 50 grocery stores. The job includes gathering daily statistics on the economy of the stores. Every day a per-store revenue ...
12
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4answers
361 views

How to digest statistical context?

Firstly, I suppose that not all active members of this interesting site are statisticians as their job. Otherwise the question being asked as follows does not make any sense! I respect them of course. ...
4
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2answers
211 views

Election forensics using statistical methods in practice?

Are you aware of any examples of election forensics in practice? Or at least any applied research on real large-scale datasets (e.g. govermental elections)? Thanks.
14
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6answers
2k views

What are some interesting and well-written applied statistics papers?

What are some good papers describing applications of statistics that would be fun and informative to read? Just to be clear, I'm not really looking for papers describing new statistical methods (e.g., ...
2
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0answers
250 views

Understanding the Pareto distribution as applied to wealth

The Pareto distribution can be used to give a pdf for the wealth of a person chosen randomly from a population. (In fact, this was its origin. See, for instance, ...
1
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0answers
383 views

Does anyone use the web based spreadsheet EditGrid.com? [closed]

I have been looking for an alternative to Google Docs as a web based spreadsheet application as my employer's corporate firewall now blocks this application. I kicked around a few alternatives such ...
8
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5answers
503 views

James-Stein shrinkage 'in the wild'?

I am taken by the idea of James-Stein shrinkage (i.e. that a nonlinear function of a single observation of a vector of possibly independent normals can be a better estimator of the means of the random ...
14
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10answers
798 views

What is the best out-of-the-box 2-class classifier for your application?

Rules: one classifier per answer vote up if you agree downvote/remove duplicates. put your application in the comment