deap | Distributed Evolutionary Algorithms in Python | Machine Learning library
kandi X-RAY | deap Summary
kandi X-RAY | deap Summary
DEAP is a novel evolutionary computation framework for rapid prototyping and testing of ideas. It seeks to make algorithms explicit and data structures transparent. It works in perfect harmony with parallelisation mechanisms such as multiprocessing and SCOOP.
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Top functions reviewed by kandi - BETA
- Generate a simulated population
- Append node at index
- Record the contents of the document
- Remove item from buffer
- Solves selSPEA2
- Return True if two terms are equal
- Randomly select elements in the array
- Randomly partition an array
- Construct a function from a string
- Mutates an individual mutation
- Compute the intersection between two nodes
- Select a tournament DCD
- Uses the germline algorithm
- Limit a function to a given value
- Performs selomatic epsilon lexicase
- Insert a new node into an individual
- Cross crossover between two nodes
- Performs a semantic crossover between ind1 and ind2
- Generate a new population
- Evaluate a population of individuals
- Evaluate a lambda function
- Change the number of peaks
- Select a random variational variates
- Return the graph representation of the expression
- Evaluate a single population
- Updates the population
deap Key Features
deap Examples and Code Snippets
Community Discussions
Trending Discussions on deap
QUESTION
Given this dictionary:
...ANSWER
Answered 2021-Dec-07 at 18:03Looks like the way to do this is like so (inspiration taken from here):
QUESTION
i have created a CNN with Keras and Tensorflow as my backend and my data consists of 2D images which represent EEG (Electroencephalography)-data from the preprocessed DEAP-Dataset.
I have considered to use SHAP as the model explainer but since there are several shap-explainers (kernel, deep, linear, gradient...) I am not sure which one fits my needs the most or if even SHAP could be helpful in my case.
Since my images (Dimensions:40x100x1, the third dimension comes from np.expand_dims
, since keras needs 3D images) have no colors, is SHAP even a considerable approach?
Snippet of one item in my dataset
...ANSWER
Answered 2021-Jun-08 at 00:11There are no limitations to the use of SHAP for model explanations as they are literally meant to
explain the output of any machine learning model
(compare with the docs)
There are indeed several core explainers available. But they are optimized for different kinds of models. Since your case consists of a CNN model built with TensorFlow and Keras, you might want to consider the following two as your primary options:
DeepExplainer
: meant to approximate SHAP values for deep learning models.GradientExplainer
: explains a model using expected gradients (an extension of integrated gradients).
Both of these core explainers are meant to be used with Deep Learning models, in particular such built in TensorFlow and Keras. The difference between them is how they approximate the SHAP values internally (you can read more about the underlying methods by following the respective link). Because of this, they will very likely not return the exact same result. However, it is fair to assume that there won't be any dramatic differences (although there is no guarantee).
While the former two are the primary options, you might still want to check the other core explainers as well. For example, the KernelExplainer
can be used on any model and thus, could also be an option on Deep Learning models. But as mentioned earlier, the former two are particularly meant for Deep Learning models and should therefore (probably) be preferred.
Since you are using pictures as input, you might find the image_plot
useful. Usage examples can be found on the GitHub repository you already linked to. You also do not need to worry about colors as they do not matter (see the DeepExplainer MNIST example).
QUESTION
I am implementing a genetic algorithm in numpy and I'm trying to figure out how to correctly implement selection via roulette wheel and stochastic universal sampling. The examples I've seen on stackoverflow or elsewhere use a python loop rather than vectorized numpy code.
For example, here are the implementations of both algorithms in DEAP.
...ANSWER
Answered 2021-Jan-12 at 20:59Both strategies can possibly select the same individual multiple times, so replacement is not the point.
I don't know how np.random.choice
is implemented internally, but anyway the implementation method is not specified in the contract of the function (and so it could change at any time). Below I give my implementation of both selection strategies using numpy.
Please, make sure to test these functions before using them in anything serious.
EDIT: sorting by fitness was not necessary; I don't know what I had in mind.
QUESTION
I have to integrate DEAP into a bigger frame work.
For testing I defined:
...ANSWER
Answered 2020-Dec-18 at 13:03You could use the Python built-in function getattr
, which lets you get attributes of an object by name.
As explained in the docs: getattr(x, 'foobar')
is equivalent to x.foobar
.
So you could do something like:
QUESTION
I want to start off by saying I have no idea what I am doing with HTML and Javascript but I am trying to learn. What I am creating will not be hosted by any server , it is more of a HTML web form(I think that is what i would call it) for employees to fill out and create a standardized email. I have 97% of it working but need a little help with the last part. Below is the Javascript that works:
...ANSWER
Answered 2020-Dec-03 at 21:07It's because you're declaring deap
inside your if
statements:
QUESTION
I'm going to use rasterio in python. I downloaded rasterio via
...ANSWER
Answered 2020-Sep-22 at 05:37I've got some experience with rasterio, but I am not nearly a master with it. If I remember correctly, rasterio requires you to have installed the program GDAL(both binaries and python utilities), and some other dependencies listed on the PyPi page. I don't use conda at the moment, I like to use the regular python 3.8 installer with pip. Given what I'm seeing with your installation, I would uninstall rasterio and follow a different installation procedure.
I follow the instructions listed here: https://rasterio.readthedocs.io/en/latest/installation.html
This page also has separate instructions for those using Anaconda.
The GDAL installation is by far the most annoying but once it's done, the hard part is over. The python utilities for both rasterio and gdal can be found here:
https://www.lfd.uci.edu/~gohlke/pythonlibs/#gdal
The second link is also provided on the PyPi page but I like to keep it bookmarked because there's a lot of good resources there!
QUESTION
I want to make use of a promising NN I found at towardsdatascience for my case study.
The data shapes I have are:
...ANSWER
Answered 2020-Aug-17 at 18:14I cannot reproduce your error, check if the following code works for you:
QUESTION
I'm trying to solve a non-deterministic problem with DEAP. the problem is that the module only evaluate new chromosome and uses the score kept in memory for old ones.
How can i set the module, so at each generation the ENTIRE population will be evaluated, and not just the new ones?
Thx
...ANSWER
Answered 2020-Jul-11 at 06:52I don't think DEAP package can do that. You can simply implement the algorithm on your own or find the new packages.
Anyway, check out my library contains most of the state-of-the-art meta-heuristic algorithms. It also evaluates the entire population in each generation. https://github.com/thieunguyen5991/mealpy
QUESTION
I'm trying to build a docker image for my project.
The docker image could be found here: https://hub.docker.com/r/haipengzhang/merchant_score_project
The corresponding docker file is:
...ANSWER
Answered 2020-Jun-21 at 07:43I now know what happend here. When this question was originally asked, the image in question did not have the make
command inside it.
Adding RUN apt-get install -y build-essential
to the Dockerfile solves the issue. But, this image is built on dockerhub, so when the image was rebuilt after adding this instruction - it was not refreshed locally. You would actively need to pull the image again like I mention later in this answer.
I verified this, but rebuilding the image from your original Dockerfile definition and confirming that make
is not in that image.
I checked, and the image haipengzhang/merchant_score_project
does infact have have the make
command in the path /usr/bin/make
, and it is executable. The user in the image is root, and I am able to start the make command just fine.
There is a little problem with your docker run command, but I do not think that it is related to the issue:
You should not preceed the $(pwd)
command with a /
in the volume mapping. Try this instead:
QUESTION
TL;DR - trying to compile this multi-sheet Pycel tests/fixture spreadsheet (I'm particularly interested in capturing inter-sheet dependencies) using into Python code using Pycel
The ProblemThe helpful Pycel example in the example/example.py in the Pycel repository runs perfectly and produces a handy .gexf graph, however, I can't work out how to compile a multi-sheet Spreadsheet (in my use case there is terrifying inter-sheet dependencies!) using Pycel.
@Stephen Rauch mentioned that "Pycel does really deal with sheets. It works with cells. Those cells can come from any sheet in the workbook" in this Stackoverflow discussion, however, I couldn't find any detail on this in the Pycel repo or in prior questions.
What I triedI tried compiling the spreadsheet included in tests/fixtures/excelcompiler.xlsx as this is multi-sheet and it only seems to compile for Sheet1 as the resulting plot is empty (Sheet1 is empty).
...ANSWER
Answered 2020-May-05 at 09:06Pycel compiles multi-sheet Excel spreadsheets easily. Pycel's function pycel.ExcelCompiler
is lazy and so doesn't actually compile Excel into Python until explicitly asked to do so via excel.evaluate('Result!E16')}
(i.e. evaluate some cell)
I tried:
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