csiborgtools/scripts_plots/plt_utils.py
Richard Stiskalek 28e93e917f
More plotting (#74)
* Add a new plot

* Add a binned trend

* Fix bug

* Improve plot further

* Add new plotting

* add max overlap

* edit get_overlap

* Add max overlap plot

* Update plot

* Add max overlap key

* add max dist flag

* Improve plotting
2023-07-03 15:35:10 +01:00

93 lines
3.1 KiB
Python

# Copyright (C) 2023 Richard Stiskalek
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import numpy
from scipy.stats import binned_statistic
dpi = 600
fout = "../plots/"
mplstyle = ["science"]
def latex_float(*floats, n=2):
"""
Convert a float or a list of floats to a LaTeX string(s). Taken from [1].
Parameters
----------
floats : float or list of floats
The float(s) to be converted.
n : int, optional
The number of significant figures to be used in the LaTeX string.
Returns
-------
latex_floats : str or list of str
The LaTeX string(s) representing the float(s).
References
----------
[1] https://stackoverflow.com/questions/13490292/format-number-using-latex-notation-in-python # noqa
"""
latex_floats = [None] * len(floats)
for i, f in enumerate(floats):
float_str = "{0:.{1}g}".format(f, n)
if "e" in float_str:
base, exponent = float_str.split("e")
latex_floats[i] = r"{0} \times 10^{{{1}}}".format(base,
int(exponent))
else:
latex_floats[i] = float_str
if len(floats) == 1:
return latex_floats[0]
return latex_floats
def binned_trend(x, y, weights, bins):
"""
Calculate the weighted mean and standard deviation of `y` in bins of `x`.
Parameters
----------
x : 1-dimensional array
The x-coordinates of the data points.
y : 1-dimensional array
The y-coordinates of the data points.
weights : 1-dimensional array
The weights of the data points.
bins : 1-dimensional array
The bin edges.
Returns
-------
stat_x : 1-dimensional array
The x-coordinates of the binned data points.
stat_mu : 1-dimensional array
The weighted mean of `y` in bins of `x`.
stat_std : 1-dimensional array
The weighted standard deviation of `y` in bins of `x`.
"""
stat_mu, __, __ = binned_statistic(x, y * weights, bins=bins,
statistic="sum")
stat_std, __, __ = binned_statistic(x, y * weights, bins=bins,
statistic=numpy.var)
stat_w, __, __ = binned_statistic(x, weights, bins=bins, statistic="sum")
stat_x = (bins[1:] + bins[:-1]) / 2
stat_mu /= stat_w
stat_std /= stat_w
stat_std = numpy.sqrt(stat_std)
return stat_x, stat_mu, stat_std