text stringlengths 0 828 |
|---|
return self.get_xyz_2d(xcoord, x, ycoord, y, u, v)" |
809,"def get_xyz_1d(self, xcoord, x, ycoord, y, u, v): |
""""""Get closest x, y and z for the given `x` and `y` in `data` for |
1d coords"""""" |
xclose = xcoord.indexes[xcoord.name].get_loc(x, method='nearest') |
yclose = ycoord.indexes[ycoord.name].get_loc(y, method='nearest') |
uval = u[yclose, xclose].values |
vval = v[yclose, xclose].values |
return xcoord[xclose].values, ycoord[yclose].values, uval, vval" |
810,"def get_xyz_2d(self, xcoord, x, ycoord, y, u, v): |
""""""Get closest x, y and z for the given `x` and `y` in `data` for |
2d coords"""""" |
xy = xcoord.values.ravel() + 1j * ycoord.values.ravel() |
dist = np.abs(xy - (x + 1j * y)) |
imin = np.nanargmin(dist) |
xy_min = xy[imin] |
return (xy_min.real, xy_min.imag, u.values.ravel()[imin], |
v.values.ravel()[imin])" |
811,"def hist2d(self, da, **kwargs): |
""""""Make the two dimensional histogram |
Parameters |
---------- |
da: xarray.DataArray |
The data source"""""" |
if self.value is None or self.value == 'counts': |
normed = False |
else: |
normed = True |
y = da.values |
x = da.coords[da.dims[0]].values |
counts, xedges, yedges = np.histogram2d( |
x, y, normed=normed, **kwargs) |
if self.value == 'counts': |
counts = counts / counts.sum().astype(float) |
return counts, xedges, yedges" |
812,"def _statsmodels_bivariate_kde(self, x, y, bws, xsize, ysize, xyranges): |
""""""Compute a bivariate kde using statsmodels. |
This function is mainly motivated through |
seaborn.distributions._statsmodels_bivariate_kde"""""" |
import statsmodels.nonparametric.api as smnp |
for i, (coord, bw) in enumerate(zip([x, y], bws)): |
if isinstance(bw, six.string_types): |
bw_func = getattr(smnp.bandwidths, ""bw_"" + bw) |
bws[i] = bw_func(coord) |
kde = smnp.KDEMultivariate([x, y], ""cc"", bws) |
x_support = np.linspace(xyranges[0][0], xyranges[0][1], xsize) |
y_support = np.linspace(xyranges[1][0], xyranges[1][1], ysize) |
xx, yy = np.meshgrid(x_support, y_support) |
z = kde.pdf([xx.ravel(), yy.ravel()]).reshape(xx.shape) |
return x_support, y_support, z" |
813,"def check_data(cls, name, dims, is_unstructured=None): |
"""""" |
A validation method for the data shape |
Parameters |
---------- |
name: str or list of str |
The variable names (at maximum :attr:`allowed_vars` variables per |
array) |
dims: list with length 1 or list of lists with length 1 |
The dimension of the arrays. Only 1D-Arrays are allowed |
is_unstructured: bool or list of bool, optional |
True if the corresponding array is unstructured. This keyword is |
ignored |
Returns |
------- |
%(Plotter.check_data.returns)s |
"""""" |
if isinstance(name, six.string_types) or not is_iterable(name): |
name = [name] |
dims = [dims] |
N = len(name) |
if len(dims) != N: |
return [False] * N, [ |
'Number of provided names (%i) and dimensions ' |
'%(i) are not the same' % (N, len(dims))] * N |
checks = [True] * N |
messages = [''] * N |
for i, (n, d) in enumerate(zip(name, dims)): |
if n != 0 and not n: |
checks[i] = False |
messages[i] = 'At least one variable name is required!' |
elif ((not isstring(n) and is_iterable(n) and |
len(n) > cls.allowed_vars) and |
len(d) != (cls.allowed_dims - len(slist(n)))): |
checks[i] = False |
messages[i] = 'Only %i names are allowed per array!' % ( |
cls.allowed_vars) |
elif len(d) != cls.allowed_dims: |
checks[i] = False |
messages[i] = 'Only %i-dimensional arrays are allowed!' % ( |
cls.allowed_dims) |
return checks, messages" |
814,"def check_data(cls, name, dims, is_unstructured): |
"""""" |
A validation method for the data shape |
Parameters |
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