dcase_util.data.Aggregator

class dcase_util.data.Aggregator(win_length_frames=10, hop_length_frames=1, recipe=None, center=True, padding=True, **kwargs)

Data aggregator

Constructor

Parameters

recipelist of dict or list of str

Aggregation recipe, supported methods [mean, std, cov, kurtosis, skew, flatten]. Default value None

win_length_framesint

Window length in data frames Default value 10

hop_length_framesint

Hop length in data frames Default value 1

centerbool

Centering of the window Default value True

paddingbool

Padding of the first window with the first frame and last window with last frame to have equal length data in the windows. Default value True

__init__(win_length_frames=10, hop_length_frames=1, recipe=None, center=True, padding=True, **kwargs)

Constructor

Parameters

recipelist of dict or list of str

Aggregation recipe, supported methods [mean, std, cov, kurtosis, skew, flatten]. Default value None

win_length_framesint

Window length in data frames Default value 10

hop_length_framesint

Hop length in data frames Default value 1

centerbool

Centering of the window Default value True

paddingbool

Padding of the first window with the first frame and last window with last frame to have equal length data in the windows. Default value True

Methods

__init__([win_length_frames, ...])	Constructor
aggregate([data])	Aggregate data
delimiter([exclude_delimiters])	Use csv.sniffer to guess delimiter for CSV file
detect_file_format([filename])	Detect file format from extension
empty()	Check if file is empty
exists()	Checks that file exists
get_file_information()	Get file information, filename
is_package([filename])	Determine if the file is compressed package.
load([filename])	Load file
log([level])	Log container content
save([filename])	Save file
show([mode, indent, visualize])	Print container content
to_html([indent])	Get container information in a HTML formatted string
to_string([ui, indent])	Get container information in a string
validate_format()	Validate file format

Attributes

bytes	File size in bytes
logger	Logger instance
md5	Checksum for file.
valid_formats	Valid file formats
valid_method