Cross Validated Questions, Problems & Solutions : TransWikia.com ~ Page 61

R: When do we use mean or median for the y axis in ggplot2 when doing analysis on property prices?

As mentioned in the title, I am not sure whether to use the median or mean function on prices of properties since prices of properties are on the y axis...

Asked on 01/28/2021 by Chua S Yang

0 answer

COCO evaluation - Negative values on AP and AR

I am trying to evaluate one of the models using COCO dataset metrics. For some of the precision metrics I am getting results that I can comprehend. For example:Average...

Asked on 01/28/2021 by visionEnthusiast

0 answer

How to make the regressor of LASSO consistent?

Suppose there is one regressor $X$ ith a sample so that $sum_{i=1}^n X_i^2=n$. And suppose the OLS estimator of $Y$ on $X$ (no intercept) is consistent....

Asked on 01/28/2021 by ZQQ

0 answer

Suggestions for identifying the most "important" image labels

I have a table with images and their assigned object (i.e. specific sub-parts) and image (i.e. image as a whole) labels. Each image may have multiple object labels but only...

Asked on 01/28/2021 by nlapidot

1 answer

Any ideas on how to segment a 2D vector field?

I am given a 2D vector field and a ROI out of which I sample a random number of n FLOAT vectors of the form (x, y, dx, dy). What...

Asked on 01/28/2021 by tricostume

0 answer

Binomial logistic regression for multiclass problems

Applying the independence of irrelevant alternatives (IIA) is an inherent assumption in multinomial logistic regression but not binomial. Is it therefore okay and possibly better to use $K$ binomial...

Asked on 01/27/2021 by Mathews24

1 answer

How is confidence defined in Expected Calibration Error?

I'm building a Bayesian Neural Network, and am trying to understand how to calibrate the uncertainty estimates. From a paper by Seedat and Kanan (https://chriskanan.com/wp-content/uploads/seedat2019.pdf) they define...

Asked on 01/26/2021 by thecity2

0 answer

Why does the McNemar's test use $chi^{2}$ and not the normal distribution?

I just noticed how the non exact McNemar's test uses the $chi^{2}$ asymptotic distribution. But since the exact test (for the two case table) relies on the binomial...

Asked on 01/26/2021

2 answer

What algorithm can you use if you want clusters but only are interested in one group?

For example, say you have a bunch of data for all countries on earth, and you want to do cluster analysis on all the features of the data (population size,...

Asked on 01/26/2021 by Bonesones

0 answer

Can I use an unknown number of variables to model my time-series?

I have a bunch of data-sets showing the relationship between two observables, "force" and "time". See example plot You see the regularity of the features: There...

Asked on 01/26/2021 by KPLauritzen

0 answer

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