diff options
Diffstat (limited to 'numpy/lib/npyio.py')
| -rw-r--r-- | numpy/lib/npyio.py | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/numpy/lib/npyio.py b/numpy/lib/npyio.py index c2472f601..f08f0c8f5 100644 --- a/numpy/lib/npyio.py +++ b/numpy/lib/npyio.py @@ -831,12 +831,13 @@ def _read(fname, *, delimiter=',', comment='#', quote='"', max_rows : int, optional Maximum number of rows of data to read. Default is to read the entire file. - converters : dict, optional - A dictionary mapping column number to a function that will parse the - column string into the desired value. E.g. if column 0 is a date - string: ``converters = {0: datestr2num}``. Converters can also be used - to provide a default value for missing data, e.g. - ``converters = {3: lambda s: float(s.strip() or 0)}``. + converters : dict or callable, optional + A function to parse all columns strings into the desired value, or + a dictionary mapping column number to a parser function. + E.g. if column 0 is a date string: ``converters = {0: datestr2num}``. + Converters can also be used to provide a default value for missing + data, e.g. ``converters = lambda s: float(s.strip() or 0)`` will + convert empty fields to 0. Default: None ndmin : int, optional Minimum dimension of the array returned. @@ -1100,12 +1101,13 @@ def loadtxt(fname, dtype=float, comments='#', delimiter=None, delimiter : str, optional The string used to separate values. For backwards compatibility, byte strings will be decoded as 'latin1'. The default is whitespace. - converters : dict, optional - A dictionary mapping column number to a function that will parse the - column string into the desired value. E.g., if column 0 is a date - string: ``converters = {0: datestr2num}``. Converters can also be - used to provide a default value for missing data (but see also - `genfromtxt`): ``converters = {3: lambda s: float(s.strip() or 0)}``. + converters : dict or callable, optional + A function to parse all columns strings into the desired value, or + a dictionary mapping column number to a parser function. + E.g. if column 0 is a date string: ``converters = {0: datestr2num}``. + Converters can also be used to provide a default value for missing + data, e.g. ``converters = lambda s: float(s.strip() or 0)`` will + convert empty fields to 0. Default: None. skiprows : int, optional Skip the first `skiprows` lines, including comments; default: 0. |