Python numpy.core.numeric.compress() Examples

The following are 4 code examples of numpy.core.numeric.compress(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module numpy.core.numeric , or try the search function .
Example #1
Source File: ma.py    From Computable with MIT License 5 votes vote down vote up
def compressed (self):
        "A 1-D array of all the non-masked data."
        d = fromnumeric.ravel(self._data)
        if self._mask is nomask:
            return array(d)
        else:
            m = 1 - fromnumeric.ravel(self._mask)
            c = fromnumeric.compress(m, d)
            return array(c, copy=0) 
Example #2
Source File: ma.py    From Computable with MIT License 5 votes vote down vote up
def put (self, values):
        """Set the non-masked entries of self to filled(values).
           No change to mask
        """
        iota = numeric.arange(self.size)
        d = self._data
        if self._mask is nomask:
            ind = iota
        else:
            ind = fromnumeric.compress(1 - self._mask, iota)
        d[ind] =  filled(values).astype(d.dtype) 
Example #3
Source File: ma.py    From Computable with MIT License 5 votes vote down vote up
def compress(condition, x, dimension=-1, out=None):
    """Select those parts of x for which condition is true.
       Masked values in condition are considered false.
    """
    c = filled(condition, 0)
    m = getmask(x)
    if m is not nomask:
        m = numeric.compress(c, m, dimension)
    d = numeric.compress(c, filled(x), dimension)
    return masked_array(d, m) 
Example #4
Source File: ma.py    From Computable with MIT License 5 votes vote down vote up
def _compress(self, cond, axis=None, out=None):
    return compress(cond, self, axis)