algorithm-base | use animation to explain the algorithm | Learning library
kandi X-RAY | algorithm-base Summary
kandi X-RAY | algorithm-base Summary
A programmer who loves to cook, determined to use animation to explain the algorithm in an easy-to-understand manner. My interview website www.chengxuchu.com
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QUESTION
I intend to compare timings between two algorithm-based functions f1,f2 via microbenchmark which work on a rpois simulated dataset with sizes of: [1:7] vector given by 10^seq(1,4,by=0.5) i.e. :
...ANSWER
Answered 2019-Dec-05 at 10:21Your problem lies mainly with the fact that you're referring to an algorithm
column in the ggplot formula that does not exist in your object.
From what you gave, I could do the following :
QUESTION
this question is a follow-on to answer of this question about python deap genetic algorithm library: How to add elimination mechanism in Python genetic algorithm based on DEAP
using reference code from deap github: https://github.com/DEAP/deap/blob/master/examples/ga/onemax.py
line 112
while max(fits) < 100 and g < 1000: #from onemax.py
on the deap github example 'onemax_mp.py': https://github.com/DEAP/deap/blob/master/examples/ga/onemax_mp.py
how do i add a max(or min) condition similar to max(fits) < 100
in the onemax_mp.py?
if i do add this condition is this condition applied to each process in the entire multi-process pool of processes?
if one process meets the end condition are the other processes halted?
right now it seems that i can only control the number of generations:
https://github.com/DEAP/deap/blob/master/examples/ga/onemax_mp.py
line 40
algorithms.eaSimple(pop, toolbox, cxpb=0.5, mutpb=0.2, ngen=40, stats=stats, halloffame=hof) #ngen=40 means calculate 40 generations
i am new to stackoverflow, please let me know if i need to edit this question to fit forum rules
...ANSWER
Answered 2018-Dec-20 at 00:56So, the line you're looking at is the termination condition. The evolution stops when an individual with fitness greater than 100 is found or after 1000 generations. I've done a lot of work with MOEAs, but I'm not too familiar with DEAP. That disclaimer aside, it looks like it's not evolving separate populations, just doing parallelized evaluation. So there's only one population. From the docs, it looks like you could take onemax.py
and slot in a multiprocessing pool by doing this:
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Install algorithm-base
You can use algorithm-base like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the algorithm-base component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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