formulaic | performance implementation of Wilkinson formulas | Machine Learning library

 by   matthewwardrop Python Version: 1.0.1 License: MIT

kandi X-RAY | formulaic Summary

kandi X-RAY | formulaic Summary

formulaic is a Python library typically used in Artificial Intelligence, Machine Learning, Numpy applications. formulaic has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. However formulaic build file is not available. You can install using 'pip install formulaic' or download it from GitHub, PyPI.

Formulaic is a high-performance implementation of Wilkinson formulas for Python. Note: This project, while largely complete, is still a work in progress, and the API is subject to change between major versions (0..).
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            kandi-support Support

              formulaic has a low active ecosystem.
              It has 228 star(s) with 16 fork(s). There are 6 watchers for this library.
              There were 2 major release(s) in the last 12 months.
              There are 14 open issues and 63 have been closed. On average issues are closed in 135 days. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of formulaic is 1.0.1

            kandi-Quality Quality

              formulaic has 0 bugs and 0 code smells.

            kandi-Security Security

              formulaic has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              formulaic code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              formulaic is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              formulaic releases are available to install and integrate.
              Deployable package is available in PyPI.
              formulaic has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions are not available. Examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed formulaic and discovered the below as its top functions. This is intended to give you an instant insight into formulaic implemented functionality, and help decide if they suit your requirements.
            • Tokenize formula .
            • Calculate the basis function .
            • Construct a model matrix .
            • Convert an iterable of tokens into an AST node .
            • Construct a polynomial polynomials .
            • Evaluate the given expression .
            • Tokenize a formula formula .
            • Decorator to transform a function .
            • Encodes categorical data .
            • Sanitize variable names .
            Get all kandi verified functions for this library.

            formulaic Key Features

            No Key Features are available at this moment for formulaic.

            formulaic Examples and Code Snippets

            No Code Snippets are available at this moment for formulaic.

            Community Discussions

            QUESTION

            Incorrect number of subscripts on matrix in R using read_table
            Asked 2022-Mar-01 at 19:51

            I am trying to read several .RLS (spreadsheet) files into one matrix using R. These files have very formulaic names, which makes it easy to work with. My plan (see code below) is to create the file names in a vector called names, then use a for loop to read and add the second column of each of those files into a matrix. However, I have encountered some issue. I have tested the names part of my code, and it can read tables into R individually. However when I try to put them all together into the matrix collected using the 2nd for loop, I get an error that says, "incorrect number of subscripts on matrix". I am not sure what this means. Any advice would be welcome.

            ...

            ANSWER

            Answered 2022-Mar-01 at 19:51

            Regarding the issue, it may be because we used read_table which returns a tibble and tibble doesn't drop dimensions with [. Instead, we need [[.

            Source https://stackoverflow.com/questions/71310987

            QUESTION

            While loop is not stopping in arduino
            Asked 2022-Feb-28 at 16:04

            I am applying a while loop, but the loop does not stop. Also, the serialmonitor stops writing values. Why is that? Also the stop command is not working. Below is my code

            ...

            ANSWER

            Answered 2022-Feb-28 at 16:04

            You need to update the variable "x". for example if you want to repeat the loop 250 times just add 1 to x every loop.

            Source https://stackoverflow.com/questions/71296492

            QUESTION

            Filling in an array (table) with no Horizontal (row) or Vertical (column) duplicates formulaically in Excel
            Asked 2022-Feb-25 at 23:19

            This may be impossible, but I am trying to create a baseball fielding lineup generator that has a few constraints provided by the league (ie. must play twice in infield, twice in outfield, no repeats at any position). I think this would be fairly simple task using any programming language, but I am designing this for my 70yo uncle and he can basically only use excel with no macros. So I can't brute force my way through the problem and I don't think I understand the mathematics behind the problem well enough to even know if there is a excel formulaic solution.

            At it's essence it's a Sudoku creator and solver with no repeats in the rows or columns. I have an ok solution for the infield/outfield part via ranking the individuals by position.

            Recursively calculating with F9 is ok for the solution since this is just a change in the options menu, but the last time I sent him a macro his university MS account wouldn't let him run it or change the settings.

            Well, I have plenty of other info and have gotten close to solutions using huge nested IFs, but this relatively brute force method seems to be pretty dumb and is not giving great solutions.

            Thanks for any help!

            ...

            ANSWER

            Answered 2022-Feb-25 at 23:19

            Well if your uncle has access to Excel 365 (sounds like a big if), you could use sorting to remove players already used in a given row or column, e.g. like this copied down and across from B2:

            Source https://stackoverflow.com/questions/71240096

            QUESTION

            Extract line-by-line info from multi-line cells in Google Sheets
            Asked 2021-Oct-26 at 23:17

            A Google Sheet has multi-line information in its cells, e.g. address.

            Each address can have a different number of lines, but we know:
            1st line is always the name
            Penultimate line is always the post code and city
            Last line is always the country

            And we are trying to split the address into 4 columns:
            Name
            Street address (i.e. the address left over after extracting name, post code & city, country)
            Post code and city
            Country
            So col B (name) reads first line =REGEXEXTRACT(A1,”(\w.*)”)

            Of course, I can figure out how many lines there are in each cell by counting next line character
            =LEN(A1)-LEN(SUBSTITUTE(A1,CHAR(10),””))
            If the formula returns 6, then there are 7 lines
            How do we get columns C (street address), D (postcode and city) and E (country) formulaically?

            I mean, sure, I can get country for this cell with
            =REGEXEXTRACT(A2,”(\n.*){6}”) but I can’t copy the formula over….the 6 above is manual input, which defeats the purpose. Since this is regex, it obviously can’t take cell references instead of 6, e.g.

            =REGEXEXTRACT(Amazon!B4,”(\n.*){F1}”)
            (if for example, I stored in column F the number of next line characters in column A)

            ...

            ANSWER

            Answered 2021-Oct-26 at 23:17

            QUESTION

            Split cell by delimited values formula (excel)
            Asked 2021-Jul-28 at 20:40

            I had a similar question to the poster here and tried using the formula provided: Split cell on delimiter using formulas

            In my case, I have a spreadsheet with large text strings containing up to 50 distinct values per cell, delimited by "|". The format is "Product Category 1 > Product 1 | Product Category 2 > Product 2 | ..." etc.

            If possible, I'd like to figure out how to extract values into a column formulaically.

            The formula "=TRIM(MID(SUBSTITUTE($A$1,"|",REPT(" ",999)),(ROW(1:1)-1)*999+1,999))" (A1 contains the string) + drag & fill seemed to work perfectly, until I attempted to use it on a larger string which gives me a #VALUE! error. Through some experimentation I discovered that the formula will only error out if the string contains greater than 999 total characters.

            I don't quite understand how ROW(1:1)*999+1 works as a positional indicator for the MID function, but it does seem to work up to a point. Raising the 999 threshold doesn't seem to make any difference. I've tried every possible combination of increasing the 999 values up to 2000 without success.

            I thought the issue might be a hard character limit using the MID or SUBSTITUTE functions but I haven't had any luck finding info to back that up. If any of you brilliant folks wouldn't mind explaining to me what I'm missing, or if you have a more elegant solution for me, I would be much obliged.

            Edit: Following @Euler's Disgraced Stepchild 's suggestion, a similar error occurs with >2 delimiters in the cell reference.

            Thank you, Patrick

            ...

            ANSWER

            Answered 2021-Jul-28 at 20:40

            If you have the newest version of Excel, you can use FILTERXML. The structure is something like:

            Source https://stackoverflow.com/questions/68554409

            QUESTION

            How to fill in blank columns with a linear progression between known values
            Asked 2020-Oct-31 at 11:30

            I have the following row in a spreadsheet of daily figures.

            I would like to add another row that would create estimates to fill in the gaps (which don't appear in a regular fashion, and can be more than one in width) so that I would be left with:

            So the values added to the gaps follow a linear progression from the figure to the left, to the figure to the right (more or less - I'm not too bothered about rounding).

            I could do this in a macro, but I'd love to find a formulaic way of doing it.

            Thanks

            ...

            ANSWER

            Answered 2020-Oct-31 at 11:18

            I believe you are just looking for a kind of average calculation:

            If there is one blank cell between A and B, then the value should be (A+B)/2.
            If there are two blank cells between A and B, then the first value should be A + (B-A)/3 and the second A + 2*(B-A)/3.
            If there are three blank cells between A and B, then the first value should be A + (B-A)/4, the second A + 2*(B-A)/4 and the third one A + 3*(B-A)/4.
            ...

            (Note that for the first line: (A+B)/2 is in fact the same as A + (B-A)/2 (which shows the resemblence with the following lines).)

            Source https://stackoverflow.com/questions/64620844

            QUESTION

            IMG tag sizes attr not being used
            Asked 2020-Aug-10 at 05:52

            Ok, what am I missing here...

            I'm trying to get an image tag to start with the 250px wide "small" image, and then have the browser choose the most appropriate image based on the srcset & sizes attributes - so, you know, "normal".

            What is happening

            The src is the only thing used. Be it set to superawesomeimagename 250.jpg or superawesomeimagename 1000.jpg - it doesn't change/load a different image.

            The HTML Tag itself

            ...

            ANSWER

            Answered 2020-Aug-10 at 05:52

            So it turns out that the reason that it wasn't working was that my test case had an un-URL-encoded space in the name. And a space denotes the gap between file name and the size.

            HTML Validating saves lives.

            Source https://stackoverflow.com/questions/63297116

            QUESTION

            How can I write a script to auto sort a column with formulas and update every time a change is made?
            Asked 2020-Mar-24 at 00:06

            I'm tracking the percentage of different stocks in column 3 and I want them to be automatically sorted by descending order every time the data is updated. The data in column 3 is formulaic. They are not text. How can I write this script?

            Spreadsheet Here

            ...

            ANSWER

            Answered 2020-Mar-24 at 00:06

            tested on your sheet and works:

            Source https://stackoverflow.com/questions/60822887

            QUESTION

            How to add array to the paramter with SimpleIoc in the MVVM Light?
            Asked 2020-Feb-17 at 15:10

            I using MVVM light library in my project. I trying to add an array to the constructor of the ViewModel.

            For example... if the code below is

            ...

            ANSWER

            Answered 2020-Feb-17 at 15:10

            You could register a Func in the ViewModelLocator where you initialize the array:

            Source https://stackoverflow.com/questions/60264184

            QUESTION

            How to bind the Text of a TextBox with a File's content?
            Asked 2020-Jan-24 at 12:26

            I created the editor inheriting the TextBox.

            The editor loads the data from the file like below.

            ...

            ANSWER

            Answered 2020-Jan-24 at 10:55

            Is there a formulaic way to solve this problem?

            No, there isn't. You as the control developer needs to decide when to write the data back to the file.

            The common solution to this kind of issues is to implemement some sort of throttling behavior, i.e. when you detect a key stroke you wait x seconds before you write the data back to the storage.

            Please have a look at how ReactiveUI solves this using Rx and LINQ operators. You might also use a timer that you for example start when a TextChanged event is raised.

            The other option is of course to provide a button or some other input control that lets the user decide when to save.

            Source https://stackoverflow.com/questions/59894824

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install formulaic

            You can install using 'pip install formulaic' or download it from GitHub, PyPI.
            You can use formulaic like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            Install
          • PyPI

            pip install formulaic

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            https://github.com/matthewwardrop/formulaic.git

          • CLI

            gh repo clone matthewwardrop/formulaic

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            git@github.com:matthewwardrop/formulaic.git

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