Created
March 10, 2020 14:22
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coronavirus-death-rate-recovery-hyperparameter-tuning-202003
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# pick a set of parameters that resulted in a low loss. | |
ttd_scale = 63.696418 | |
ttd_shape = 0.968338 | |
ttr_scale = 15.034069 | |
ttr_shape = 1.851922 | |
death_rate = 0.218912 | |
# run the simulation with the parameters. | |
df_res, loss = run_sim(ttd_scale=ttd_scale, ttd_shape=ttd_shape, ttr_scale=ttr_scale, ttr_shape=ttr_shape, death_rate=death_rate) | |
loss | |
# visualize how well it fits recoveries. | |
sns.lineplot(x="Date", y="New_Recovered", data=df_res, label='New_Recovered') | |
sns.lineplot(x="Date", y="pred_new_recoveries", data=df_res, label='pred_new_recoveries') | |
import scipy.stats as stats | |
# look at the shape of the time to recovery distribution. | |
x = np.linspace (0, 100, 200) | |
y = stats.gamma.pdf(x, a=ttr_shape, scale=ttr_scale) | |
sns.lineplot(x=x, y=y) | |
# visualize how well it fits deaths. | |
sns.lineplot(x="Date", y="New_Deaths", data=df_res, label='New_Deaths') | |
sns.lineplot(x="Date", y="pred_new_deaths", data=df_res, label='pred_new_deaths') | |
import scipy.stats as stats | |
# look at the shape of the time to recovery distribution. | |
x = np.linspace (0, 100, 200) | |
y = stats.gamma.pdf(x, a=ttd_shape, scale=ttd_scale) | |
sns.lineplot(x=x, y=y) |
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