
Method for converting openaq_instruments_list to data frame.
Source:R/instruments.R
as.data.frame.openaq_instruments_list.RdMethod for converting openaq_instruments_list to data frame.
Usage
# S3 method for class 'openaq_instruments_list'
as.data.frame(x, row.names = NULL, optional = FALSE, ...)Arguments
- x
A list of instruments as returned from list_instruments.
- row.names
NULLor a character vector giving the row names for the data frame. Missing values are not allowed.- optional
logical. If TRUE, setting row names and converting column names (to syntactic names: see make.names) is optional. Note that all of R's base package as.data.frame() methods use optional only for column names treatment, basically with the meaning of data.frame(*, check.names = !optional). See also the make.names argument of the matrix method.
- ...
additional arguments to be passed to or from methods.
Value
A data frame class of the instruments results, with the following columns:
- id
Numeric. The instruments identifier.
- name
Character. The name of the measurement instrument.
- is_monitor
Logical. Indicates if the instrument is considered a reference monitor.
- manufacturer_id
Numeric. The manufacturers identifier for the manufacturer that makes the instrument.
- manufacturer_name
Factor. The name of manufacturer that makes the instrument.
The data frame also includes a meta attribute from the original
openaq_instruments_list.
Examples
if (FALSE) { # interactive()
instruments <- list_instruments(as_data_frame = FALSE)
as.data.frame(instruments)
}