Questions tagged [academia]
The community pursuing research, education or scholarship, typically although not universally in universities.
39 questions
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Why bother with k-means number of clusters? Why not generate them all and see which one works? [closed]
I'm a sociologist with a CS background. I'm analyzing longitudinal data and I'm not up to speed with the statistical lingo around the whole thing. I'm trying to figure out the statistical names of the ...
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Comparison of predictive and planning model [closed]
I am choosing a topic to do research along these lines. Often the ideas of predictive and planning collide. They seem similar on the one hand and different on the other. I couldn't find anything ...
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Machine Learning Experiment: should training parameters be fixed for a valid comparisons across model?
I am training an autoencoder three times, each time on a different dataset. The three datasets all have the same number of features, but have vastly different sizes.
Assuming one of the datasets is A ...
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How to communicate comparing accuracy metrics between two different studies?
I'm working on a paper where we trained a statistical model and tested it on a dataset. We achieved some accuracy score.
There's another study that has a different accuracy score but in the same ...
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Meta-analysis - no control groups!
I am conducting a meta-analysis of volumetric growth rates of a specific tumour type, per year, after surgery. The studied included have no control groups, but rather arms of interventions. I am ...
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What is the commonly used abbrevation for Difference-in-Differences in writing?
I am trying to repeat the word "Difference-in-Differences" in my paper many times. I am using "DiD" instead (but I am not sure whether it is true or not). I am looking for any ...
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Is it allowed to refer to Artificial Neural Networks as Statistical learning?
I am producing a research statement to be sent to a statistics department and I was trying to avoid the term Machine learning in favour of the more friendly one of Statistical learning. Probably I ...
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To what degree does reproducibility of research differ across disciplines?
Have there been any statistics meta studies that compare the reproducibility of results, as well as the willingness of researchers to provide reproducible data, analysis, and code, in their studies ...
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Why do academic papers often gloss over effect sizes? [closed]
This may be just my perception, but it seems like academic papers often focus on whether or not they found a statistically significant correlation between two variables and spend very little time ...
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How to describe the result of a t-test for two groups in academic terms
I want to compare the job satisfaction of two groups with a two-sided t-test.
My hypothesis is that the mean of group B is higher than the mean of group A
This are the results of my calculations:
...
user283542
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The odds of randomly passing Multiple Choices questions?
I hope this is the right place to ask this question as it is related to probability and stats.
Basically, we were supposed to have final exams in the form of a written one, yet due to the pandemic, ...
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Mathematics to accompany statistics at master level
I'm starting on a master degree in statistics this fall, and at least at the moment I believe I want to go in the direction of statistical learning and/or bayesian statistics. My question is if there ...
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What does "large grant" mean in machine learning?
Rob Tibshirani, a statistician at Stanford university, created this amusing comparison between machine learning and statistics:
What does "large grant" here mean?
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“t-tests are too fundamental for academia” [closed]
I just heard a PhD student claim:
The $t$-test is really fundamental and nobody in academy is gonna do it.
He added that these tests serve more as a beginning exercise in order to get an idea of ...
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R2 for oscillating data
First question on here.
I am working on master's research and I am trying to get a goodness of fit for my experimental data. I have calculated and plotted fit lines using the polyfit function in ...
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Question related to interpretation of Empirical CDF [closed]
Following is the results from my experiments. Pink and Green are my proposed algorithms. While Blue is the brute-force (BF) algorithm. While one thing is obvious that BF algorithms take a lot of time ...
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Why use the "best model according to data" in academic research; wildly unrealistic? [closed]
When someone fits a GLM model, it is the "perfect" fit based on the algorithm.
But I find that this is absurd... we are not looking for "the best model", we are looking for the correct one.
Given ...
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kernel publications
What are some contemporary papers that provide the reader with a complex overview of kernel functions used nowadays in machine learning?
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Choosing, evaluating, and reporting data imputation
I have read about model checking for multiple imputation MI (https://ete-online.biomedcentral.com/articles/10.1186/s12982-017-0062-6), but I am not sure how one can check their model for a general ...
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I found it's very hard to understand a hypothesis in an advertising repetition's effects study
In the meta analysis study by Schmidt & Eisend (2015) which won the Journal of Advertising Best Article Award, I found a hypothesis very hard to understand. I don't know whether I'm wrong or not......
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Reporting of Neural Network Accuracy for Academic Publications
I'm an academic researcher, working with Convolutional Neural Networks, particularly for image classification. In academic publications, a typical metric for evaluating the performance of a ...
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What key information should be included in an academic paper that uses machine learning?
Imagine you are reviewing a manuscript that describes application of a supervised machine learning algorithm (e.g. SVM, CART, logistic regression, random forest etc.) to predict a binary output. ...
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How do you keep up to date with the latest research?
After reading this question regarding arXiv and finding a link to GitXiv which I was previously unaware of, I wondered, what websites/resources do people use to keep up to date on the latest research ...
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Is ArXiv popular in the statistics community?
I know that the physics and math communities are very into ArXiv, but what about the stats community? Is it customary to post there before submission?
user75138
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Is building training data set from unlabeled data considered as a scientific contribution? [closed]
Is building a training data set, from unlabeled data, for a machine learning classifier considered as a scientific contribution?
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Good examples of statistics sections in applied academic journal articles
I am a biostatistician working in an applied field and I am responsible for writing the statistics methods section for the papers I collaborate on. In reading a lot of academic papers I've come ...
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Citing a paper for logistic regression
I'm writing my thesis and I want to explain the logistic regression model. Is there a paper that introduced this model so I can cite it?
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Generalized additive models -- who does research on them besides Simon Wood?
I use GAMs more and more. When I go to provide references for their various components (smoothing parameter selection, various spline bases, p-values of smooth terms), they are all from one ...
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Alternatives to box plots for comparing clustering results
In my research paper, I wish to compare the accuracy of 2 clustering algorithms. I have conducted clustering using these 2 algortihms on 300 proprietary datasets. I use adjusted rand index as the ...
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Statistics published in academic papers
I read a lot of evolutionary/ecological academic papers, sometimes with the specific aim of seeing how statistics are being used 'in the real world' outside of the textbook. I normally take the ...
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Help me come up with a witty title for my paper [closed]
My honours thesis is due in soon and I still haven't thought of a great title. I want something that's clever (perhaps using a pun or two), but also gives insight into what I'm doing. Preferably in ...
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Do I have to learn SAS if I want to go into industry?
I am currently a PhD student in Biostatistics (finishing my 2nd year). My original goal when entering graduate school was to go into academia. Recently I have been debating this choice and wondering ...
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What are important pure mathematics courses for a prospective statistics PhD student?
I know that linear algebra and analysis (especially measure theory) are important. Is it helpful to take graduate level courses in real and complex analysis? Should I take courses in abstract algebra ...
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Is it correct to say the "smooth curve fitted by LOESS"?
I use the package scatter.smooth in R, and I want to have a figure text describing the line in the scatterplot for my report.
Is is okay to say "the line is a ...
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What statistical tools does a analyst (financial) require?
I just graduated in engineering where I have a very strong background in pure maths, but unfortunately I didnt study any statistics in my course. I know calculus, probability theory, measure theory, ...
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Skills & coursework needed to be a data analyst
I am graduating with a bachelor's degree in applied math and I will pursue a master's degree in statistics this fall.
There are many specialized fields in applied statistics. I realize I may be more ...
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Advice For Graduate Students in Statistics
I have started my PhD in statistics this year, and I am looking for your best-practices, advice and (meta-advises) regarding how to grow and become a good academic researcher in the fields of ...
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What university level statistics courses are considered advanced/hard?
I've recently been looking for top-of-the-line statisticians in a recruiting process for our company. Myself, I'm a Physics Engineering major. I gather that great mathematical statisticians have ...
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Statistics collaboration
As a biologist, many of the research projects I work on at some point involve collaboration with a statistician, whether it be for simple advice or for implementing and testing a model for my data. My ...
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