# Tagged Questions

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### Dealing with endogeneity and sample selection biases in the same model

I am trying to deal with two forms of bias in my analysis of probability into different sectors of employment and earnings functions in different sectors - sample selection and endogeneity of the ...
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### Bayesian model comparison in high school

I teach physics to high-school students, and I would like my students to conduct a rudimentary Bayesian model comparison for data from their experiments. I figured out a way for them to do so (see ...
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### Elementary data visualization topics?

I'm organizing a small seminar on data visualization, two months from now. This will be a half-day session for information professionals; participants will possess moderate technical skills, but will ...
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### Is there a standard, easy to understand example of application of statistics in the accounting profession?

A course that is offered in most business undergraduate programs is an introductory statistics course that is often titled 'Business Statistics'. The examples used in these courses to motivate the ...
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### Having a job in data-analytics with a BSc and vocational education [closed]

edited My background started with BSc visual design and User Experience. I learnt programming skills, data-structures and data-modelling in complex networks during 3 years in a startup - so I ...
41 views

### What statistical method would I need to employ to predict a school's attendance if I know previous five years' attendances?

I have attendances month by month (September-June) for a given school X for the following school years:2011-2012, 2012-2013, 2013-2014, 2014-2015. I also have the attendance for students at school X ...
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### Nodes placement in knowledge map of Khan Academy

I have been through the Khan Academy blog regarding construction of knowledge map. However after going through it, it left me confused regarding how are they placing the nodes (hierarchically) and ...
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### Analyzing data with linear regression and logistic regression

I want to analyze the math score of high school students between 2009 and 2014 in the downtown of a city. The aim of the investigation is to identify the factors that affect the math score. In the ...
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### Books or resources for learning unified view of classical statistics

I did a science PhD doing applied bayesian statistics, and I liked it so much that I decided to shift to statistics. For the last 2-3 years have been working at a firm that has more of a frequentist ...
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### Is there a name for this fallacy?

I sometimes encounter a view that only perfect forecasting is really forecasting. For example, if I claim that I have a model which forecasts election results, people will think I'm making the ...
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### Why Do Different Statistical Tests Differ?

I heard from the grapevine that when somebody has statistics, some tests may indicate one type of significance, while others do not. The tests themselves may be inconsistent. My question is, what is ...
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### Difference in value between Biostatistics or Bioinformatics Masters? [closed]

I'm a mathematics and economics double major and I've been very interested in attending Georgetown's MS programs in Bioinformatics and biostatistics. However, I'm not so sure which one I should ...
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### key points for unofficial stats-101 for service guys

Background: In my previous job there was an official "stats 101" course. It was brilliant. It gave all the production and engineering folks a shared vocabulary, and provided a decent foundation to ...
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### Is there a way to visualize what “Minimal sufficiency” and “Completeness” of a statistic means? [duplicate]

As defined (for example, in Wikipedia): Completeness is a property of a statistic in relation to a model for a set of observed data. In essence, it is a condition which ensures that the parameters of ...
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### 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 ...
492 views

### Rigorous real analysis book for probability theory

I have a Masters in math and I am currently doing a Masters in statistics. I am disappointed at the level of rigor in the proofs (and often outright omission of the proofs just a statement saying "in ...
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### What criteria should be used in selecting a statistics book?

In his paper "Mindless statistics", G. Gigerenzer unfavourably cites several statistics books. One of the things prof. Gigerenzer mentions is the fact that the books do not mention various approaches ...
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### How to express “inequality” of a distribution in one number

I've got an educational game in the works that challenges players to redraw U.S. state borders in a way that reduce the inequality between big-population and small-population states. As they play, ...
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### Low $R^2$ value in social science or education research

I'm looking for paper(s) that talk about "why low $R^2$ value is acceptable in social science or education research". Please point me to the right journal if you know one.
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### masters program in statistics at a top 1 regional university vs a 3rd tier national university [closed]

I just got admitted to the MS program in statistics at Villanova University (top 1 regional university in the North of the U.S.) and at Temple University (a third tier national university). I was ...
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### Are pupils in a school independent and identically distributed when compared to a national population?

I am interested in the way in which data are analysed in education. In England, pupils' reported test results are compared to national test results using z-tests. These results are then used to judge ...
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### Is it OK to take “Analysis of Variance in Experimental Design Models” Before a Regression Course?

I am a math major starting a MS program in statistics. I have taken an undergraduate sequence in stats (basics of distributions, estimation, hypothesis testing) but never a formal course in regression....
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### Nested ANOVA in SPSS / Science Education

I am analyzing student performance on a pre/post test designed to assess gains for a week long high school biology curriculum on natural selection. After comparing pre/post performance using a ...
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### Sum of weights in portfolio theory is not equal to 1

I'm trying to understand basic portfolio theory using R. As far as I understood, the sum of the weights of assets must be equal to 1 . But in this link, that teaches how to compute the efficient ...
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### Item Response Theory alternatives

What are other approaches than Item Response Theory to model learning of students in standardised tests?
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### What to learn after Casella & Berger?

I am a pure math grad student with little background in applied mathematics. Since last fall I have been taking classes on Casella & Berger's book, and I have finished hundreds (230+) of pages of ...
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### Can statistics really be used in education to determine test scores?

I am a middle school teacher. My district prides itself on having the kids take 3 tests during the year to predict their score, and my teaching, on "the real test" at the end of the year. My question: ...
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### How useful are per capita calculations in level of education of a population?

I had a discussion recently in which it was stated that Scotland having more universities in the top 200 per capita than any other country is a good indication of the intelligence of the population of ...
281 views

### How much does it matter if my Masters is in Stats or Math (in Stats track)

I have a choice of Master's programs in statistics, one of which is formally a program in applied statistics, the other is formally in math with an applied statistics "track". The courses in the 2 ...
466 views

### Good book for Statistical and Probability Theory [duplicate]

I have taken one introductory statistics class and am finishing up an econometrics class, but these classes are more about applications and just applying formulas without any explanations as to how ...
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### Chi-square of a sample with respect to a known population's marginal distribution?

This is a question to reflect some very basic understanding of the logic of the chi-square for a planned introductory essay. [update] I've tried to improve the question with clearer examples ...
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### What mathematical method should be used to evaluate a questionnaire

This is a soft-question. I am currently evaluating a questionnaire based around social media and peoples thoughts around death for my undergrad but wanted to know what methods would one use when ...
1k views

### How do I set up a single continuous independent variable for a repeated measures linear model?

I'm doing an education study and I'm trying to see the effect of website usage on quiz scores in a class of college students. There were 30 students in the class and they took 10 weekly quizzes over ...
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### What statistical methods are archaic and should be omitted from textbooks? [closed]

In answering a question about a confidence interval for a binomial proportion I pointed out the fact that the normal approximation is an unreliable method that is archaic. It should not be taught as a ...
2k views

### Is it important for statisticians to learn machine learning?

Is machine learning an important subject for any statistician to become acquainted with? It seems that machine learning is statistics. Why don't statistics programs (undergraduate and graduate) ...
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### Pattern recognition learning by examples

I am learning pattern recognition. But in the book I am reading there is almost exclusively a theory with few examples. Is there a special book / web site etc, with a lot of tasks covering all main ...
462 views

### Optional stopping rules not in textbooks

Stopping rules affect the relationship between P-values and the error rates associated with decisions. A recent paper by Simmons et al. 2011 coins the term researcher degrees of freedom to describe a ...
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### When should one _avoid_ Bootstrapping? [duplicate]

Possible Duplicate: What are examples where a “naive bootstrap” fails? Perhaps this question will turn out to be a bit soft, but I think it may have a hard answer. Feel free to ...
301 views

### What is the correct sequence of subjects and sources need to be mastered to be a Machine Learning master?

I just started to mt MS program on Machine Learning subject. I am curious about the correct flow of the subjects have to be learnt to be proficient on ML subject. In addition can you suggest some ...
1k views

### If there was a certification exam for statisticians, what would be the syllabus?

If there was a certification exam for statisticians, what would be the syllabus, including the recommended reading material (to give an idea of the level of the exam)?
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### What are good, freely available journals for keeping track of the latest developments in machine learning?

Feel free to substitute 'journals' for any other useful portal of knowledge. I am interested in keeping an eye on new developments in machine learning, with a view to practical applications. I am not ...
13k views

### Class activities/experiments to teach statistical concepts?

I intend to give a one hour lecture to teenagers about statistics. I will probably see them only once. This scenario might happen over and over. I would like to give them some activity to make them ...
30k views

### Things to consider about masters programs in statistics

It is admission season for graduate schools. I (and many students like me) am now trying to decide which statistics program to pick. What are some things those of you who work with statistics ...
3k views

### Self study vs a taught education?

There is a question with similar intent on programmers.SE. That question has some quite good answers, but the general theme seems to be that without self study, you get no-where. Obviously there are ...
329 views

### What factors make for a great stats book?

What factors make for a great statistics book? In other words, what writing styles, visualizations, explanatory methodologies, text length(!), tone, depth, etc, etc contribute to giving the audience a ...
2k views

### Introduction to structural equation modeling

I am asked by colleagues some help in this subject, that I don’t really know. They made hypotheses on the role of some latent variables in one study, and a referee asked them to formalize this in SEM. ...
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### Is statistics.com class worth the money?

I'm debating taking some classes on statistics.com and was curious if anyone has taken classes there or knows any one who has or has any suggestions for good ways to learn stats/machine learning on ...
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### Can you recommend a book to read before Elements of Statistical Learning?

Based on this post, http://quant.stackexchange.com/questions/111/how-can-i-go-about-applying-machine-learning-algorithms-to-stock-markets, I want to digest Elements of Statistical Learning. ...