Esempio n. 1
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    def test_gp_bagging(self):
        df = pd.read_csv(os.path.join(CAMD_TEST_FILES, 'test_df.csv'))
        df_sub = df[df['N_species'] <= 3]
        n_seed = 200  # Starting sample size
        agent = BaggedGaussianProcessStabilityAgent(
            n_query=10,
            hull_distance=0.05,
            alpha=0.5,  # Fraction of std to include in expected improvement
            n_estimators=2,
            max_samples=195,
            parallel=False)
        analyzer = StabilityAnalyzer(hull_distance=0.05, parallel=False)
        experiment = ATFSampler(df_sub)
        candidate_data = df_sub

        new_loop = Campaign(candidate_data,
                            agent,
                            experiment,
                            analyzer,
                            create_seed=n_seed)
        new_loop.initialize()
        self.assertTrue(new_loop.initialized)

        new_loop.auto_loop(6)
        self.assertTrue(True)
Esempio n. 2
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    def test_sync(self):
        with ScratchDir('.'):
            df = pd.read_csv(os.path.join(CAMD_TEST_FILES, 'test_df.csv'))

            # Construct and start campaign
            new_campaign = Campaign(df,
                                    AgentStabilityML5(),
                                    ATFSampler(df),
                                    StabilityAnalyzer(),
                                    create_seed=10,
                                    s3_prefix="test")
            new_campaign.auto_loop(n_iterations=3,
                                   save_iterations=True,
                                   initialize=True)
        # Test iteration read
        s3 = boto3.resource('s3')
        obj = s3.Object(CAMD_S3_BUCKET, "test/iteration.json")
        loaded = json.loads(obj.get()['Body'].read())
        self.assertEqual(loaded, 2)

        # Test save directories
        for iteration in [-1, 0, 1, 2]:
            obj = s3.Object(CAMD_S3_BUCKET, f"test/{iteration}/iteration.json")
            loaded = json.loads(obj.get()['Body'].read())
            self.assertEqual(loaded, iteration)
    def test_svgp_loop(self):
        df = pd.read_csv(os.path.join(CAMD_TEST_FILES, 'test_df.csv'))
        df_sub = df[df['N_species'] <= 3]
        n_seed = 200  # Starting sample size
        agent = SVGProcessStabilityAgent(n_query=10, hull_distance=0.05, alpha=0.5, M=100)
        analyzer = StabilityAnalyzer(hull_distance=0.05, parallel=False)
        experiment = ATFSampler(df_sub)
        candidate_data = df_sub

        new_loop = Campaign(candidate_data, agent, experiment, analyzer,
                            create_seed=n_seed)
        new_loop.initialize()
        self.assertTrue(new_loop.initialized)

        new_loop.auto_loop(3)
        self.assertTrue(True)
    def test_qbc_agent_loop(self):
        df = pd.read_csv(os.path.join(CAMD_TEST_FILES, 'test_df.csv'))
        df_sub = df[df['N_species'] <= 3]
        n_seed = 200  # Starting sample size
        agent = QBCStabilityAgent(model=MLPRegressor(hidden_layer_sizes=(84, 50)),
                                  n_query=10, hull_distance=0.05, alpha=0.5)
        analyzer = StabilityAnalyzer(hull_distance=0.05, parallel=False)
        experiment = ATFSampler(dataframe=df_sub)
        candidate_data = df_sub

        new_loop = Campaign(candidate_data, agent, experiment, analyzer,
                            create_seed=n_seed)
        new_loop.initialize()
        self.assertTrue(new_loop.initialized)

        new_loop.auto_loop(3)
        self.assertTrue(True)
    def test_simple_gp_loop(self):
        df = pd.read_csv(os.path.join(CAMD_TEST_FILES, 'test_df.csv'))
        df_sub = df[df['N_species'] <= 3]
        n_seed = 200  # Starting sample size
        n_query = 10  # This many new candidates are "calculated with DFT" (i.e. requested from Oracle -- DFT)
        agent = GaussianProcessStabilityAgent(n_query=n_query, hull_distance=0.05, alpha=0.5, parallel=False)
        analyzer = StabilityAnalyzer(hull_distance=0.05, parallel=False)
        experiment = ATFSampler(dataframe=df_sub)
        candidate_data = df_sub

        new_loop = Campaign(candidate_data, agent, experiment, analyzer,
                            create_seed=n_seed)
        new_loop.initialize()
        self.assertTrue(new_loop.initialized)

        new_loop.auto_loop(2)
        self.assertTrue(True)
Esempio n. 6
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    def test_agent(self, agent):
        """
        Runs a simulation of a given agent according to the
        class attributes

        Args:
            agent (HypothesisAgent):

        Returns:
            None

        """
        campaign = Campaign(
            candidate_data=self.atf_dataframe,
            seed_data=self.seed_data,
            agent=agent,
            analyzer=self.analyzer,
            experiment=ATFSampler(dataframe=self.atf_dataframe),
        )
        campaign.auto_loop(n_iterations=self.iterations, initialize=True)
        return campaign
Esempio n. 7
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from sklearn.neural_network import MLPRegressor
from camd.agent.stability import AgentStabilityML5
from camd.analysis import StabilityAnalyzer
from camd.experiment.base import ATFSampler
from camd.utils.data import load_default_atf_data

##########################################################
# Load dataset and filter by N_species of 2 or less
##########################################################
df = load_default_atf_data()

## Epsilon-Greedy
n_seed = 5000  # Starting sample size - a seed of this size will be randomly chosen.
n_query = 200  # This many new candidates are "calculated with DFT" (i.e. requested from Oracle -- DFT)
agent = AgentStabilityML5(model=MLPRegressor(hidden_layer_sizes=(84, 50)),
                          n_query=n_query,
                          hull_distance=0.05,
                          exploit_fraction=0.5)
analyzer = StabilityAnalyzer(hull_distance=0.05)
experiment = ATFSampler(dataframe=df)
candidate_data = df
##########################################################
new_loop = Campaign(candidate_data,
                    agent,
                    experiment,
                    analyzer,
                    create_seed=n_seed)

new_loop.auto_loop(n_iterations=4, initialize=True)