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Results for "inverse regression"
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15 votes
1 answer
2k views

Errors-in-variables regression: is it valid to pool data from three sites?

EDIT: Given the suggestion of Bill Huber I plan to look at bounds on the errors-in-variables regression by regression both y on x and x on y. … So I will give them both analyses and request at least that they tell the FDA that in addition to do the bootstrap I did inverse regression and bounded the Deming regressions which I think is more appropriate …
Michael R. Chernick's user avatar
12 votes
2 answers
4k views

What is the advantage of reducing dimensionality of predictors for the purposes of regression?

Examples of such techniques include Sliced Inverse Regression, Principal Hessian Directions, Sliced Average Variance Estimation, Kernel Sliced Inverse Regression, Principal Components Regression, etc. … Is this SDR/DRR + Regression on a low-dim dataset faster than only regression on a high-dim dataset? …
hearse's user avatar
  • 2,545
10 votes
Accepted

Errors-in-variables regression: is it valid to pool data from three sites?

The usual solution in such cases is "inverse regression" (as described, for instance, in Draper & Smith, Applied Regression Analysis (Second Edition), section 1.7). … Otherwise, these components of variance may need explicitly to be modeled and estimated in the inverse regression analysis. …
whuber's user avatar
  • 334k
7 votes

Error bars, linear regression and "standard deviation" for point

There is a relatively simple resolution of this problem: compute a “fiducial limit” based on “inverse regression” [Draper & Smith 1981]. … References Draper, NR and H Smith, 1981: Applied Regression Analysis, Second Edition. John Wiley & Sons, New York. …
whuber's user avatar
  • 334k
6 votes

What is bias in aerosol data?

Finally, the results of such measurements should be expressed using methods of "inverse regression," or a generalization thereof, as explained in a summary by Lavagnini & Magno writing in Mass Spectrometry …
whuber's user avatar
  • 334k
6 votes
1 answer
364 views

If in this problem I regress $x$ on $y$ instead than $y$ on $x$, do I need to use an error-i...

I was trying to write an answer for this question: Selection of data range changes coefficients too much in lmer (inverse regression) Basically the OP has lots of data of Amplification vs Voltage (see … If I invert the two variables in the regression, does it mean I need to build an errors-in-variables model? …
DeltaIV's user avatar
  • 18.4k
6 votes
Accepted

If in this problem I regress $x$ on $y$ instead than $y$ on $x$, do I need to use an error-i...

A problem which you might encounter is regression attenuation or regression dilution. … Except for possibly making some inverse regression ill-posed due to crossing some asymptote or creating negative values in roots logs etcetera. …
Sextus Empiricus's user avatar
5 votes

Are negative Detection Limit for concentrations consistent

Magno, “A statistical overview on univariate calibration, inverse regression, and detection limits: application to gas chromatography/mass spectrometry technique”, Mass Spectrometry Reviews 26 (2007) 1 …
Ed V's user avatar
  • 376
5 votes

Estimating 95% confidence interval for vertex of quadratic fit

Given we're trying to find an interval for a particular $x$, another way to look at the problem is as a kind of inverse regression problem, but there are some details to sort out here. … A reference: Florenz Plassmann and Neha Khanna (2007) Assessing the Precision of Turning Point Estimates in Polynomial Regression Functions Econometric Reviews, vol. 26, issue 5, pages 503-528 The 2003 …
Glen_b's user avatar
  • 290k
5 votes
Accepted

Determining values of correction factor based on x bins in observed vs. actual data

This is sometimes called an 'inverse regression' problem. … It's probably worth your time to google on this; or rather on one of these: inverse regression -sliced --- (because this avoids some not-so-relevant hits) inverse regression calibration Your problem …
Glen_b's user avatar
  • 290k
5 votes
2 answers
4k views

Inverse Regression vs Reverse Regression

This is what I mean by inverse regression. However I've seen since been playing with some toy models and I'm starting to see that the 'wrong' method produces much better predictions. … Are there other situations where inverse regression actually outperforms? …
JackEm's user avatar
  • 61
4 votes

What is the precise definition of unsupervised learning?

There is a special case: sliced inverse regression, where principal components are done on subsets of the data formed by values of the outcome variable. …
Frank Harrell's user avatar
4 votes
1 answer
663 views

Link between forward and inverse regression ($\text{E}(X|Y)$ and $\text{E}(Y|X)$ ;$ \text{va...

In a multivariate context, that is with at least X or Y being a random vector, are there formulae or theorems that link (even remotely) the forward and inverse regression, $\text{E}(X|Y)$ and $\text{E} … *Note : this question is related to dimension reduction trhough the sliced inverse regression technique. …
M. Toya's user avatar
  • 477
4 votes

Strategy for fitting highly non-linear function

I mentioned in the comments that you might like to look at inverse regression, but the particular form of your function may preclude getting far with that. …
Glen_b's user avatar
  • 290k
3 votes
1 answer
2k views

Degrees of freedom in quadratic regression simultaneous confidence bands

I have been working on an inverse regression addon for SPSS and using this paper heavily: I. Lavagnini, F. … Magno, A statistical overview on univariate calibration, inverse regression, and detection limits: Application to gas chromatography/mass spectrometry technique., Mass spectrometry reviews 26, 1-18 (2007 …
DocBuckets's user avatar
  • 1,803

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