# METHOD_OPTIONS

Type: dict_record

method options for mgen_script

Example:-

    METHOD_OPTIONS:
        py_module: mgen
        rand_seed: 12345
        float_format: default

## py_module

Type: one_of(mgen)

Python module required to process this script file

Example:-

    py_module: mgen

## rand_seed

Type: int / auto

Option to set seed to make run result reproducible -e.g. when debugging.

Example:-

    rand_seed: 12345

## float_format

Type: str

Format string for numerical output

Example:-

    float_format: default

# PARALLEL

Type: one_of_record

one of many possible servers

Example:-

    PARALLEL:
        SINGLE: {}

## SINGLE

Type: dict_record

single process server spec.

Example:-

    SINGLE: {}

## MPI_WORKERS

Type: dict_record

MPI local server spec.

Example:-

    MPI_WORKERS:
        n_workers: auto

### n_workers

Type: int / auto

Number of workers to use on this machine, defaults to number of processors, but could be more or fewer.

Example:-

    n_workers: auto

# DESCRIPTION

Type: dict_record

Description fields for script.

Example:-

    DESCRIPTION:
        name: example
        title: A PKPD model
        author: A.N. Other
        abstract: |
        keywords: []

## name

Type: str

Unique name used to distinguish script

Example:-

    name: example

## title

Type: str

A longer text string that could serve as a title

Example:-

    title: A PKPD model

## author

Type: str

Author of the model

Example:-

    author: A.N. Other

## abstract

Type: verbatim

Abstract paragraph describing model

Example:-

    abstract: |

## keywords

Type: list

Keywords list used to categorise models.

Example:-

    keywords: []

# FILE_PATHS

Type: dict_record

file paths for script

Example:-

    FILE_PATHS:
        output_folder: auto
        temp_folder: auto
        log_folder: auto
        output_file_ext: ['svg']

## output_folder

Type: output_folder / auto

Output folder - results of computation stored here

Example:-

    output_folder: auto

## temp_folder

Type: output_folder / auto

Temp folder - temporary files stored here

Example:-

    temp_folder: auto

## log_folder

Type: output_folder / auto

Log folder - log files stored here

Example:-

    log_folder: auto

## output_file_ext

Type: list_of(pdf,png,svg)

Output file extension - determines graphical output file format.

Example:-

    output_file_ext: ['svg']

# DATA_FIELDS

Type: dict_record

data fields for popy.dat.fields object

Example:-

    DATA_FIELDS:
        type_field: TYPE
        id_field: ID
        time_field: TIME

## type_field

Type: str

Field name in data file that contains row type info, e.g. obs/dose etc

Example:-

    type_field: TYPE

## id_field

Type: str

Field name in data file that contains identity string for each data row e.g. obs/dose etc

Example:-

    id_field: ID

## time_field

Type: str

Field name in data file that contains time or event for each data row

Example:-

    time_field: TIME

# EFFECTS

Type: repeat_verb_record

EFFECT params to define hierarchical population model

Example:-

    EFFECTS:
        POP: |
            c[AMT] = 100.0
            f[KA] = 0.2
            f[CL] = 2.0
            f[V1] = 50
            f[Q] = 1.0
            f[V2] = 80
            f[KA_isv,CL_isv,V1_isv,Q_isv,V2_isv] = [
                [0.1],
                [0.01, 0.03],
                [0.01, -0.01, 0.09],
                [0.01, 0.02, 0.01, 0.07],
                [0.01, 0.02, 0.01, 0.01, 0.05],
            ]
            f[PNOISE] = 0.15

        ID: |
            c[ID] = sequential(50)
            t[DOSE] = 2.0
            t[OBS] ~ unif(1.0, 50.0; 5)
            # t[OBS] = range(1.0, 50.0; 5)
            r[KA, CL, V1, Q, V2] ~ mnorm([0,0,0,0,0], f[KA_isv,CL_isv,V1_isv,Q_isv,V2_isv])

# PREPROCESS

Type: verbatim

Code that preprocesses the input data. Use this to filter rows and create derived covariates.

Example:-

    PREPROCESS: |

# MODEL_PARAMS

Type: verbatim

Defines the mapping from c[X], f[X] and r[X] variables to individual model m[X] parameters.

Example:-

    MODEL_PARAMS: |
        m[KA] = f[KA] * exp(r[KA])
        m[CL] = f[CL] * exp(r[CL])
        m[V1] = f[V1] * exp(r[V1])
        m[Q] = f[Q] * exp(r[Q])
        m[V2] = f[V2] * exp(r[V2])
        m[ANOISE] = 0.001
        m[PNOISE] = f[PNOISE]

# STATES

Type: verbatim

Optional section for setting initial values of s[X] variables can also set slabel[X] text labels.

Example:-

    STATES: |

# DERIVATIVES

Type: verbatim

Define how the covariates and effects determine flows between compartments.

Example:-

    DERIVATIVES: |
        # s[DEPOT,CENTRAL,PERI] = @dep_two_cmp_cl{dose:@bolus{amt:c[AMT]}}
        d[DEPOT] = @bolus{amt:c[AMT]} - m[KA]*s[DEPOT]
        d[CENTRAL] = m[KA]*s[DEPOT] - s[CENTRAL]*m[CL]/m[V1] - s[CENTRAL]*m[Q]/m[V1]  + s[PERI]*m[Q]/m[V2]
        d[PERI] = s[CENTRAL]*m[Q]/m[V1] - s[PERI]*m[Q]/m[V2]

# PREDICTIONS

Type: verbatim

Define the final predicted m[X] variables to be output by the compartment model system.

Example:-

    PREDICTIONS: |
        p[DV_CENTRAL] = s[CENTRAL]/m[V1]
        var = m[ANOISE]**2 + m[PNOISE]**2 * p[DV_CENTRAL]**2
        c[DV_CENTRAL] ~ norm(p[DV_CENTRAL], var)

# POSTPROCESS

Type: verbatim

Code that postprocesses the output data. Use this to filter rows and create derived covariates, after the main data curves have been generated.

Example:-

    POSTPROCESS: |

# ODE_SOLVER

Type: one_of_record

one of many possible solvers

Example:-

    ODE_SOLVER:
        SCIPY_ODEINT:
            atol: 1e-06
            rtol: 1e-06
            max_nsteps: 10000000
            use_supersections: True
            use_jacobian: False
            use_sens: False
            use_tcrit: False

## NO_SOLVER

Type: dict_record

Null method for blank derivatives.

Example:-

    NO_SOLVER: {}

## ANALYTIC

Type: dict_record

Analytic method for solving ODE

Example:-

    ANALYTIC:
        use_supersections: True
        use_sens: True

### use_supersections

Type: bool

Option to combine sections into supersections, which can make PoPy run faster, however with discontinuous ODE params you may need to turn this off (closer to nonmem approach).

Example:-

    use_supersections: True

### use_sens

Type: bool

Option to use sensitivity equations in ode solver.

Example:-

    use_sens: True

## SCIPY_ODEINT

Type: dict_record

odeint solver record

Example:-

    SCIPY_ODEINT:
        atol: 1e-06
        rtol: 1e-06
        max_nsteps: 10000000
        use_supersections: True
        use_jacobian: False
        use_sens: False
        use_tcrit: False

### atol

Type: float

Absolute tolerance of ode solver.

Example:-

    atol: 1e-06

### rtol

Type: float

Relative tolerance of ode solver.

Example:-

    rtol: 1e-06

### max_nsteps

Type: int

Maximum number of steps allowed in ode solver.

Example:-

    max_nsteps: 10000000

### use_supersections

Type: bool

Option to combine sections into supersections, which can make PoPy run faster, however with discontinuous ODE params you may need to turn this off (closer to nonmem approach).

Example:-

    use_supersections: True

### use_jacobian

Type: bool

Option to use jacobian in ode solver.

Example:-

    use_jacobian: False

### use_sens

Type: bool

Option to use sensitivity equations in ode solver.

Example:-

    use_sens: False

### use_tcrit

Type: bool

Option to set lsoda tcrit to start and end of subsection. Note this is an experimental option.

Example:-

    use_tcrit: False

## CPPODE

Type: dict_record

C++ version of original cvode c library.

Example:-

    CPPODE:
        atol: 1e-06
        rtol: 1e-06
        max_nsteps: 10000000
        use_supersections: True
        use_sens: False

### atol

Type: float

Absolute tolerance of ode solver.

Example:-

    atol: 1e-06

### rtol

Type: float

Relative tolerance of ode solver.

Example:-

    rtol: 1e-06

### max_nsteps

Type: int

Maximum number of steps allowed in ode solver.

Example:-

    max_nsteps: 10000000

### use_supersections

Type: bool

Option to combine sections into supersections, which can make PoPy run faster, however with discontinuous ODE params you may need to turn this off (closer to nonmem approach).

Example:-

    use_supersections: True

### use_sens

Type: bool

Option to use sensitivity equations in ode solver.

Example:-

    use_sens: False

# OUTPUT_OPTIONS

Type: dict_record

Output options

Example:-

    OUTPUT_OPTIONS:
        n_pop_samples: 100

## n_pop_samples

Type: int

Number of new populations to sample.

Example:-

    n_pop_samples: 100