Created
January 25, 2022 21:30
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CmdStanPy helpers
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| from pathlib import Path | |
| import cmdstanpy | |
| import ujson | |
| def stanc(name, code, workdir=".stan"): | |
| Path(workdir).mkdir(exist_ok=True) | |
| path = Path(workdir) / f"{name}.stan" | |
| with open(path, "w") as f: | |
| f.write(code) | |
| model = cmdstanpy.CmdStanModel(stan_file=path, stanc_options={'warn-pedantic': True}) | |
| return model | |
| def tojson(path, **kwargs): | |
| out = {} | |
| for k, v in kwargs.items(): | |
| if isinstance(v, np.ndarray): | |
| v = v.tolist() | |
| # print(k, v) | |
| out[k] = v | |
| with open(path, "w") as f: | |
| ujson.dump(out, f) | |
| return path |
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