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Read a model output file

Source: R/read_model_out_file.R
read_model_out_file.Rd

Read a model output file

Usage

read_model_out_file(
  file_path,
  hub_path = ".",
  coerce_types = c("hub", "chr", "none"),
  output_type_id_datatype = c("from_config", "auto", "character", "double", "integer",
    "logical", "Date")
)

Arguments

file_path

character string. Path to the file being validated relative to the hub's model-output directory.

hub_path

Either a character string path to a local Modeling Hub directory or an object of class <SubTreeFileSystem> created using functions s3_bucket() or gs_bucket() by providing a string S3 or GCS bucket name or path to a Modeling Hub directory stored in the cloud. For more details consult the Using cloud storage (S3, GCS) in the arrow package. The hub must be fully configured with valid admin.json and tasks.json files within the hub-config directory.

coerce_types

character. What to coerce column types to on read.

  • hub: (default) read in (csv) or coerce (parquet, arrow) to hub schema. When coercing data types using the hub schema, the output_type_id_datatype can also be used to set the output_type_id column data type manually.

  • chr: read in (csv) or coerce (parquet, arrow) all columns to character.

  • none: No coercion. Use arrow read_* function defaults.

output_type_id_datatype

character string. One of "from_config", "auto", "character", "double", "integer", "logical", "Date". Defaults to "from_config" which uses the setting in the output_type_id_datatype property in the tasks.json config file if available. If the property is not set in the config, the argument falls back to "auto" which determines the output_type_id data type automatically from the tasks.json config file as the simplest data type required to represent all output type ID values across all output types in the hub. Other data type values can be used to override automatic determination. Note that attempting to coerce output_type_id to a data type that is not valid for the data (e.g. trying to coerce"character" values to "double") will likely result in an error or potentially unexpected behaviour so use with care.

Value

a tibble of contents of the model output file.