Don Boyd

Question: Is this a safe way to use highly customized growfactors?

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Note: next comment gives result of this method. **Question: Is the procedure I describe below for using highly customized growfactors likely to have unanticipated and unintended side effects?** Goal is...

Feature request: Seeking stopval or callback, to give greater control over stopping criteria

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Hi, I am calling `LsqFit.levenberg_marquardt` directly because I have found it to outperform other Julia least-squares optimizers. My problem is potentially time consuming and I am satisfied with results that...

(1) hoping you won't remove lmfit, and (2) seeking help re Geodesic acceleration

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First, thanks for LsqFit and especially LsqFit.lmfit. I am finding them especially valuable. I am not an expert in optimization or GitHub so if I am asking my questions the...

Mads.levenberg_marquardt not finding optimum, even for Rosenbrock example, could it be that different settings are needed?

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Hi. Thank you for this amazing software. This post is background information; the next post has reproducible code and results. I am hoping you might advise on settings or other...

Make `Joining with` message clickable to copy-to-clipboard

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Hi, dplyr 1.1.0 seems like it is going to be great (I installed the dev version with `pak::[pak](http://pak.r-lib.org/reference/pak.html)("tidyverse/dplyr")`). I really like .by in summarise and mutate. One small suggestion for...

Feature question: linear constraints

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Hi. Thanks again for this great package. I am wondering whether you have any plans to implement linear constraints in SPGBox. How to do it is way beyond anything I...

$121b of wages of millionaires dropped from puf stage 2 targets??

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Of possible interest to @andersonfrailey @MattHJensen @rickecon @jdebacker: Been trying to figure out why some of my numbers for 2017 differ substantially from official TaxData & Tax-Calculator so I looked...

Possible process for bringing TaxData puf.csv closer to IRS published data and forecasts of same

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Tagging people who I think may be interested in this topic but please add others if I missed someone: @andersonfrailey @MattHJensen @rickecon @jdebacker @martinholmer Over the last year or so...

Probably of interest to @andersonfrailey @MattHJensen : I created a puf.csv using the master branch of taxdata git cloned on 7/2/2021, by running `make cps-files` then `make puf-files`. I think...

Seeking advice: Best-latest puf.csv to use for analysis?

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I started down the road of running taxdata this week to create puf.csv using the main/master branch because I want to use the latest/best puf.csv in analysis. Using taxdata to...