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2
votes
1answer
22 views

What software I use manually adjust a regression line on a graph?

When teaching regression, I used to do an exercise where students would try to guess where the line of best fit is on a scatterplot, and get the sums of squares. They'd move the line around, see how ...
0
votes
0answers
19 views

clustering versus projection - what are the best example/scenario to explain their differences

I am dealing with non statistician who know are crunching data but don't have a deep understanding of statistics. I am trying to introduce them to non-matrix factorization methods but it has been ...
2
votes
0answers
27 views

What's an intuitive way to explain SS decomposition for a Mixed ANOVA with 1 B/S and 1 W/S variable?

For teaching I need to explain the following diagram to undergraduate students. The diagram is taken from the 7th Edition of Howell's "Statistical Methods for Psychology". The students are familiar ...
3
votes
0answers
61 views

How to gently introduce epidemiologists/public health coworkers to advanced predictive modeling?

Coming from a social science and epidemiology background, my coworkers were trained on least squares regression, logistic regression, and survival analysis. They like to see 95% confidence intervals ...
8
votes
4answers
3k views

Real life examples of distributions with negative skewness

Much along the lines of the "real-life examples of common distributions" I'm interested if anyone has any pedagogical examples used to teach negative skewness? There are plenty of canonical examples ...
1
vote
0answers
71 views

Best data series to teach time series econometrics?

I will be teaching a short course on time-series econometrics to third-year undergraduates. It will be part theoretical, part applied (students using econometrics software). I am looking for great ...
4
votes
1answer
305 views

Example of “real life” use of Bayesian inference on $\mu$ from a normal distribution?

A classic example for students, when teaching Bayesian statistics, is to make inference on the mean parameter $\mu$ of a normal distribution, when it has a prior normal distribution. I would like to ...
1
vote
1answer
124 views

Random forests visual introduction-level reference or tutorial

I have seen several references, but am looking for something easy to follow that illustrates Random Forests in regression and feature importance applications. I want to make sure that I explain this ...
5
votes
2answers
201 views

Good PCA examples for teaching

I'm teaching linear algebra to a class of engineers, social scientists and computer programmers. We just did singular value decomposition, and we have an extra day, so I thought I'd talk about the ...
4
votes
2answers
2k views

Test of independence vs test of homogeneity

I am teaching a basic statistics course and today I will cover the chi-squared test of independence for two categories and the test for homogeneity. These two scenarios are conceptually different, but ...
4
votes
2answers
58 views

How is this sampling called? (getting a “representative” sample set for teaching)

I know of random sampling and stratified sampling, but what I am not sure what is the name of the type of sampling I need: I wish to work-out an example with my students of simple ...
4
votes
1answer
117 views

What is the intuition behind (M)ANCOVA and when/why should one use it?

As per my understanding here's the what/why/when of the following hypotheses tests in a crude sense: t-test: Used when comparing means between two samples ANOVA (one way): Used when you have one ...
8
votes
3answers
249 views

Recommendations for first time teacher (Intro to Biostatistics)

I'm teaching my first class this fall (Intro to Biostatistics). Anyone have any suggestions for teaching statistics better? Perhaps some example you wish your first teacher had used? I'm using ...
2
votes
1answer
80 views

Book/chapter/article recommendation for beginners level confirmatory factor analysis?

I am looking for a text that will help me provide explanations suited to undergraduate level. I've found that Andy Field's "Discovering Statistics Using..." series allowed me to pitch things at the ...
0
votes
0answers
128 views

Rubric for good data analysis

As statistics education moves online, educators are facing new problems related to the administration of their courses. Jeff Leek and Roger Peng, for example, taught approximately 100,000 students ...
-19
votes
1answer
270 views

How to deal with a fake scientist? [closed]

What makes you to believe that statistics is something is worth to think about. Isn't that a fake science? Do you think that statistics is a real science? Do you think statisticians should be paid?
4
votes
3answers
922 views

Which statistical software is suitable for teaching an undergraduate introductory course of statistics in social sciences?

I am looking for a statistical software package which I can use in an introductory course of statistics for a social science study programme. The students have no prior knowledge of statistics and no ...
4
votes
3answers
167 views

How should a math-paranoid programmer learn stats?

(this is the opposite of "introduction to statistics for mathematicians") I'm a programmer who loves writing logic and even a libsvm vector embedding library to my name. Now I'm getting asked ...
0
votes
0answers
109 views

Relating conditional probability and conditional entropy

I am teaching undergrad computer security and look for a semi-formal way to make students understand the notion of a one-time pad (OTP). To this end, consider the following exercise: Suppose you ...
7
votes
1answer
149 views

Vector calculus in statistics

I'm teaching a class on integration of functions of several variables and vector calculus this semester. The class is made up most of economics majors and engineering majors, with a smattering of math ...
3
votes
5answers
2k views

Any suggestions for a good undergraduate introductory textbook to statistics?

I am hoping you can give me some suggestions. I am teaching in a very diverse (made of minority groups) college and the students are mostly Psychology majors. Most students are fresh from high school ...
0
votes
0answers
60 views

singularity of the Poisson counting process for non-statistician

I would like to explain to non-statisticians the singularity of the Poisson counting process over others (if possible, in a simple sentence). Simply translating in non-mathematical terms its formal ...
4
votes
1answer
147 views

how would you approach giving an introductory class about Bayesian statistics?

I need to give a lecture about Bayesian statistics, introducing it to people who have already basic knowledge of classic statistics (but not too much of it in general). I want to start with some ...
6
votes
2answers
263 views

Sources for learning (not just implementing) statistics/math through R

I am interested in examples of sources (R code, R packages, books, book chapters, articles, links etc) for learning statistical and mathematical concepts through R (it could also be through other ...
11
votes
10answers
684 views

Examples of processes that are not Poisson?

I am looking for some good examples of situations that are ill-suited to model with a Poisson distribution, to help me explain the Poisson distribution to students. One commonly uses the number of ...
19
votes
5answers
1k views

Strategies for teaching the sampling distribution

The tl;dr version What successful strategies do you employ to teach the sampling distribution (of a sample mean, for example) at an introductory undergraduate level? The background In September I'll ...
11
votes
1answer
1k views

Funny statistics exam answers [closed]

Correcting exams is probably the most boring task of a teacher. But it might be amusing for us to collect funny statistics exam answers. One entry per answer.
30
votes
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 ...
5
votes
3answers
4k 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 ...
1
vote
0answers
104 views

The genuine inventors of concepts

General: It is almost a permanent need in researching progress addressing/referring the first inventor, proposer or developer of the concepts which are widely being used these days. Have got no clear ...
18
votes
4answers
2k 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 ...
5
votes
4answers
342 views

What are some good (ideally free) tools to give laymen access to basic statistical techniques?

I have been a contract worker for two different companies now, which means I show up at a place for 3-6 months and blow their minds with my awesomeness, but then, to everyone's disappointment, I ...
2
votes
2answers
342 views

Good statistical software system for teaching response surface design?

I am looking for a good software system to teach students on response surface designs with. Few things I can think of are SAS Proc RSReg or SAS ADX. Is there any other software?
26
votes
3answers
784 views

Is there a Project Euler-alike for machine learning?

I found Project Euler http://projecteuler.net/ to be incredibly useful in learning programming languages. Is there a similar site for Machine Learning? I did see http://www.kaggle.com/, but it is not ...
12
votes
3answers
782 views

What can one tell a school kid about statistics and machine learning?

Next week we have an intern from a local school in the house. The concept behind his short internship is to get an idea how the real world works and what certain jobs deal with, how the daily work ...
11
votes
3answers
343 views

What's a good approach to teaching R in a computer lab?

There have been several good questions and sets of answers on introductory books or approaches to learning R eg here and here. But I have a slightly different problem - the best way to run an hour ...
9
votes
2answers
928 views

Explaining two-tailed tests

I am looking for various ways of explaining to my students (in an elementary statistics course) what is a two tailed test, and how its P value is calculated. How do you explain to your students the ...
8
votes
4answers
414 views

Why aren't all tests scored via item analysis/response theory?

Is there a statistical reason why item analysis/response theory isn't more widely applied? For instance, if a teacher gives a 25 question multiple choice test and finds that 10 questions were answered ...
9
votes
3answers
3k views

Where to find raw data about clinical trials?

I wish to use raw data about clinical trials for the end year examination of my master students. These data could deal with any kind of molecule as long as the trials were complete (Phase 1 to 4). Do ...
10
votes
4answers
294 views

References for consulting statisticians to offer their clients

This question illustrates the difficulty of a person mastering statistics and probability on their own, in the face of weakly developed resources like Wikipedia. It occurred to me that consulting ...
6
votes
3answers
918 views

Chi square statistic and contingency coefficients

I need some advice on explaining $\chi^2$ as a contingency measure from a pedagogical perspective. I usually introduce the individual terms in the $\chi^2$ sum as scaled deviations from independence; ...
6
votes
6answers
2k views

Datasets for data visualization examples, teaching and research

I am searching for existing datasets that we can use to test several datavis techniques we are researching. I know several resources like those included in R (try ...
6
votes
5answers
490 views

What are good techniques and resources for teaching Bayes theorem?

My friend and I want to do a hands on tutorial on Bayes theorem for the Seattle LessWrong group. Neither of us have done this before, so we're searching for prior art; techniques that other people ...
9
votes
3answers
3k views

How to best display graphically type II (beta) error, power and sample size?

I'm asked to write an introduction to statistics and I'm struggling how to graphically show the way p-value and power relate. I've come up with this graph: My question: Is there a better way of ...
19
votes
2answers
503 views

Good online resource with tips on graphing association between two numeric variables under various conditions

Context: Over the while I've acquired a set of heuristics on how to effectively plot the association between two numeric variables. I imagine most people who work with data would have a similar set ...
1
vote
1answer
200 views

Listing of typical correlations across spectrum of topics and disciplines to assist with teaching meaning of correlation coefficient

Context When I teach students about the correlation coefficient, I like to give students a sense of how correlations map on to common associations that might be encountered in daily life and across ...
10
votes
1answer
208 views

What questions would a statistician ask about analysis of E. coli outbreak?

You may have heard about the recent enterohaemorrhagic E. coli (EHEC) outbreak in Germany. What questions would a statistician ask about EHEC analysis ? I'm thinking of Q+As between reporters / ...
11
votes
4answers
641 views

Software (or webapps) for teaching kids statistics or probability?

I would like (in the distant future) to teach statistics to kids. For that matter, I'd be happy to know of software (obviously I am tending towards FOSS), or webapps, that are helpful in explaining ...
17
votes
2answers
663 views

Learning statistical concepts through data analysis exercises

I find that simple data analysis exercises can often help to illustrate and clarify statistical concepts. What data analysis exercises do you use to teach statistical concepts?
13
votes
8answers
648 views

How to NOT use statistics

This is sort of an open ended question but I wanna be clear. Given a sufficient population you might be able to learn something (this is the open part) but whatever you learn about your population, ...