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analysis pkg v 1.0.0.7
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@@ -1,6 +1,6 @@
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Metadata-Version: 2.1
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Name: analysis
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Version: 1.0.0.6
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Version: 1.0.0.7
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Summary: analysis package developed by Titan Scouting for The Red Alliance
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Home-page: https://github.com/titanscout2022/tr2022-strategy
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Author: The Titan Scouting Team
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@@ -1,20 +1,20 @@
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# Titan Robotics Team 2022: CUDA-based Regressions Module
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# Written by Arthur Lu & Jacob Levine
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# Notes:
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# this should be imported as a python module using 'import regression'
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# this should be included in the local directory or environment variable
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# this module has been automatically inegrated into analysis.py, and should be callable as a class from the package
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# this module is cuda-optimized and vectorized (except for one small part)
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# setup:
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__version__ = "1.0.0.002"
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__version__ = "1.0.0.003"
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# changelog should be viewed using print(regression.__changelog__)
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# changelog should be viewed using print(analysis.regression.__changelog__)
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__changelog__ = """
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1.0.0.003:
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- bug fixes
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1.0.0.002:
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-Added more parameters to log, exponential, polynomial
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-Added SigmoidalRegKernelArthur, because Arthur apparently needs
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to train the scaling and shifting of sigmoids
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1.0.0.001:
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-initial release, with linear, log, exponential, polynomial, and sigmoid kernels
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-already vectorized (except for polynomial generation) and CUDA-optimized
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@@ -22,6 +22,7 @@ __changelog__ = """
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__author__ = (
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"Jacob Levine <jlevine@imsa.edu>",
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"Arthur Lu <learthurgo@gmail.com>"
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)
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__all__ = [
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@@ -39,35 +40,13 @@ __all__ = [
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'CustomTrain'
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]
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# imports (just one for now):
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import torch
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global device
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device = "cuda:0" if torch.torch.cuda.is_available() else "cpu"
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#todo: document completely
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def factorial(n):
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if n==0:
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return 1
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else:
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return n*factorial(n-1)
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def num_poly_terms(num_vars, power):
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if power == 0:
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return 0
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return int(factorial(num_vars+power-1) / factorial(power) / factorial(num_vars-1)) + num_poly_terms(num_vars, power-1)
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def take_all_pwrs(vec,pwr):
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#todo: vectorize (kinda)
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combins=torch.combinations(vec, r=pwr, with_replacement=True)
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out=torch.ones(combins.size()[0])
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for i in torch.t(combins):
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out *= i
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return torch.cat(out,take_all_pwrs(vec, pwr-1))
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def set_device(new_device):
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global device
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def set_device(self, new_device):
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device=new_device
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class LinearRegKernel():
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@@ -154,20 +133,39 @@ class PolyRegKernel():
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power=None
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def __init__(self, num_vars, power):
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self.power=power
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num_terms=num_poly_terms(num_vars, power)
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num_terms=self.num_poly_terms(num_vars, power)
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self.weights=torch.rand(num_terms, requires_grad=True, device=device)
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self.bias=torch.rand(1, requires_grad=True, device=device)
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self.parameters=[self.weights,self.bias]
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def num_poly_terms(self,num_vars, power):
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if power == 0:
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return 0
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return int(self.factorial(num_vars+power-1) / self.factorial(power) / self.factorial(num_vars-1)) + self.num_poly_terms(num_vars, power-1)
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def factorial(self,n):
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if n==0:
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return 1
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else:
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return n*self.factorial(n-1)
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def take_all_pwrs(self, vec, pwr):
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#todo: vectorize (kinda)
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combins=torch.combinations(vec, r=pwr, with_replacement=True)
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out=torch.ones(combins.size()[0]).to(device).to(torch.float)
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for i in torch.t(combins).to(device).to(torch.float):
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out *= i
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if pwr == 1:
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return out
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else:
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return torch.cat((out,self.take_all_pwrs(vec, pwr-1)))
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def forward(self,mtx):
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#TODO: Vectorize the last part
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cols=[]
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for i in torch.t(mtx):
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cols.append(take_all_pwrs(i,self.power))
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cols.append(self.take_all_pwrs(i,self.power))
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new_mtx=torch.t(torch.stack(cols))
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long_bias=self.bias.repeat([1,mtx.size()[1]])
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return torch.matmul(self.weights,new_mtx)+long_bias
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def SGDTrain(kernel, data, ground, loss=torch.nn.MSELoss(), iterations=1000, learning_rate=.1, return_losses=False):
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def SGDTrain(self, kernel, data, ground, loss=torch.nn.MSELoss(), iterations=1000, learning_rate=.1, return_losses=False):
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optim=torch.optim.SGD(kernel.parameters, lr=learning_rate)
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data_cuda=data.to(device)
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ground_cuda=ground.to(device)
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@@ -192,7 +190,7 @@ def SGDTrain(kernel, data, ground, loss=torch.nn.MSELoss(), iterations=1000, lea
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optim.step()
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return kernel
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def CustomTrain(kernel, optim, data, ground, loss=torch.nn.MSELoss(), iterations=1000, return_losses=False):
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def CustomTrain(self, kernel, optim, data, ground, loss=torch.nn.MSELoss(), iterations=1000, return_losses=False):
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data_cuda=data.to(device)
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ground_cuda=ground.to(device)
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if (return_losses):
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@@ -2,7 +2,7 @@ import setuptools
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setuptools.setup(
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name="analysis", # Replace with your own username
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version="1.0.0.006",
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version="1.0.0.007",
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author="The Titan Scouting Team",
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author_email="titanscout2022@gmail.com",
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description="analysis package developed by Titan Scouting for The Red Alliance",
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