Exemplo n.º 1
0
def model_evaluation(dataframe, classes, datapath='./', filename='results'):

    pred_chisq = []
    alternative_chisq = []

    for i in range(len(dataframe)):
        row = dataframe.iloc[i]
        filepath = datapath + row[0] + '.csv'

        data = load_data(filepath)

        probab = [
            item for item in row[3].split('[')[1].split(']')[0].split(' ')
            if item != ''
        ]

        probab = list(map(np.float64, probab))
        max_label = [probab.index(x) for x in sorted(probab, reverse=True)[:2]]
        label = classes[max_label[0]]

        chi_squared = scat_model(data, label)
        pred_chisq.append((label, chi_squared))

        if probab[max_label[0]] >= 0.7:
            alternative_chisq.append('-')
        else:
            label = classes[max_label[1]]
            chi_squared = scat_model(data, label)
            alternative_chisq.append((label, chi_squared))

    dataframe['predicted_chi_square'] = pred_chisq
    dataframe['alternative_chi_square'] = alternative_chisq

    dataframe.to_csv(filename, index=False)
    return dataframe
Exemplo n.º 2
0
from bumps.names import *

from sasmodels.data import load_data
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment

# Spherical particle data, not ellipsoids
sans, usans = load_data('../../sasview/sasview/test/1d_data/latex_smeared.xml')
usans.qmin, usans.qmax = np.min(usans.x), np.max(usans.x)
usans.mask = (usans.x < 0.0)
usans.oriented = True
#print sans.dxl, usans.dxl
#import pprint; pprint.pprint(sans.__dict__)

kernel = load_model("ellipsoid")

model = Model(
    kernel,
    scale=0.08, background=0,
    sld=.291, sld_solvent=7.105,
    r_polar=1800, r_polar_pd=0.222296, r_polar_pd_n=0,
    r_equatorial=2600, r_equatorial_pd=0.28, r_equatorial_pd_n=0,
    theta=60, theta_pd=0, theta_pd_n=0,
    phi=60, phi_pd=0, phi_pd_n=0,
    )

# SET THE FITTING PARAMETERS
model.r_polar.range(1000, 10000)
model.r_equatorial.range(1000, 10000)
model.theta.range(0, 360)
model.phi.range(0, 360)
Exemplo n.º 3
0
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
from bumps.names import *
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment
from sasmodels.data import load_data, set_beam_stop, set_top
""" IMPORT THE DATA USED """
radial_data = load_data('DEC07267.DAT')
set_beam_stop(radial_data, 0.00669, outer=0.025)
set_top(radial_data, -.0185)

tan_data = load_data('DEC07266.DAT')
set_beam_stop(tan_data, 0.00669, outer=0.025)
set_top(tan_data, -.0185)
#sas.set_half(tan_data, 'right')

name = "ellipsoid" if len(sys.argv) < 2 else sys.argv[1]
section = "radial" if len(sys.argv) < 3 else sys.argv[2]
if section not in ("radial", "tangential", "both"):
    raise ValueError("section %r should be 'radial', 'tangential' or 'both'" %
                     section)
data = radial_data if section != "tangential" else tan_data
theta = 89.9 if section != "tangential" else 0
phi = 90
kernel = load_model(name, dtype="single")
cutoff = 1e-3

if name == "ellipsoid":
    model = Model(
Exemplo n.º 4
0
from bumps.names import *
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment
from sasmodels.data import load_data, plot_data

# latex data, same sample usans and sans
# particles radius ~2300, uniform dispersity
datasets = load_data('latex_smeared.xml', index='all')
#[print(data) for data in datasets]

# A single sphere model to share between the datasets.  We will use
# FreeVariables below to set the parameters that are independent between
# the datasets.
kernel = load_model('sphere')
pars = dict(
    scale=0.01,
    background=0.0,
    sld=5.0,
    sld_solvent=0.0,
    radius=1500.,
    #radius_pd=0.1, radius_pd_n=35,
)
model = Model(kernel, **pars)

# radius and polydispersity (if any) are shared
model.radius.range(0, inf)
#model.radius_pd.range(0, 1)

# Contrast and dilution are the same for both measurements, but are not
# separable with a single measurement (i.e., I(q) ~ F(q) contrast^2 Vf),
# so fit one of scale, sld or solvent sld.  With absolute scaling from
Exemplo n.º 5
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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
from bumps.names import *
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment
from sasmodels.data import load_data, set_beam_stop, set_top

""" IMPORT THE DATA USED """
radial_data = load_data('DEC07267.DAT')
set_beam_stop(radial_data, 0.00669, outer=0.025)
set_top(radial_data, -.0185)

kernel = load_model("ellipsoid")

model = Model(kernel,
    scale=0.08,
    r_polar=15, r_equatorial=800,
    sld=.291, sld_solvent=7.105,
    background=0,
    theta=90, phi=0,
    theta_pd=15, theta_pd_n=40, theta_pd_nsigma=3,
    r_polar_pd=0.222296, r_polar_pd_n=1, r_polar_pd_nsigma=0,
    r_equatorial_pd=.000128, r_equatorial_pd_n=1, r_equatorial_pd_nsigma=0,
    phi_pd=0, phi_pd_n=20, phi_pd_nsigma=3,
    )

# SET THE FITTING PARAMETERS
model.r_polar.range(15, 1000)
model.r_equatorial.range(15, 1000)
Exemplo n.º 6
0
    sasview.exe bumps.cli multiscatfit.py --store=t1
"""

import sys
from bumps.names import *
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment
from sasmodels.data import load_data, set_beam_stop, set_top

from sasmodels.multiscat import MultipleScattering

## Load the data
#data = load_data('DEC07267.DAT')
#set_beam_stop(data, 0.003, outer=0.025)
data = load_data('latex_smeared.xml', index=0)

## Define the model
kernel = load_model("ellipsoid")

model = Model(
    kernel,
    scale=0.005,
    background=0.05,
    radius_polar=2200,
    radius_equatorial=2200,
    sld=.291,
    sld_solvent=7.105,
    #theta=90, theta_pd=0, theta_pd_n=0, theta_pd_nsigma=3,
    #phi=90, phi_pd=0, phi_pd_n=20, phi_pd_nsigma=3,
    radius_polar_pd=0.222296,
Exemplo n.º 7
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from bumps.names import *

from sasmodels.data import load_data
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment

# Spherical particle data, not ellipsoids
sans, usans = load_data('../../sasview/sasview/test/1d_data/latex_smeared.xml')
usans.qmin, usans.qmax = np.min(usans.x), np.max(usans.x)
usans.mask = (usans.x < 0.0)
usans.oriented = True
#print sans.dxl, usans.dxl
#import pprint; pprint.pprint(sans.__dict__)

kernel = load_model("ellipsoid")

model = Model(
    kernel,
    scale=0.08,
    background=0,
    sld=.291,
    sld_solvent=7.105,
    r_polar=1800,
    r_polar_pd=0.222296,
    r_polar_pd_n=0,
    r_equatorial=2600,
    r_equatorial_pd=0.28,
    r_equatorial_pd_n=0,
    theta=60,
    theta_pd=0,
    theta_pd_n=0,
Exemplo n.º 8
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import sys
#sys.path.append('path_to_sasmodels')

import numpy as np

from bumps.names import *
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment
from sasmodels.data import load_data, plot_data

# IMPORT THE DATA USED
data = load_data(sys.argv[1])

#setattr(data, 'qmin', 0.0)
#setattr(data, 'qmax', 10.0)

# DEFINE THE MODEL
kernel = load_model('ellipsoid')

pars = dict(scale=0.08,
            background=35,
            radius_polar=15,
            radius_equatorial=800,
            sld=.291,
            sld_solvent=7.105,
            theta=89.9,
            phi=90,
            theta_pd=0,
            theta_pd_n=0,
            theta_pd_nsigma=3,
            phi_pd=0,
    'P3DDT': 0.316,
    'PQT-12': 0.676,
    #'Polystyrene-D8':6.407,
    'Polystyrene-D8': 6.464,  # density of 1.13 g/mL
    'Polystyrene-H8': 1.426
}

# loading data for fitting
data_dir = '../../data/sans/Smeared_Data_20200629/'
files = os.listdir(data_dir)
sans_data = {}
usans_data = {}
for file in files:
    if 'USANS' in file:
        key = int(file.split('_')[0][3:])
        usans_data[key] = load_data(data_dir + file)
    elif 'SANS' in file:
        key = int(file.split('_')[0][3:])
        sans_data[key] = load_data(data_dir + file)

# filtering which samples to fit with ellipsoid model
true_keys = []

true_reads = pd.read_csv('../../data/sans/Fit_Truths.csv')
true_reads = true_reads.to_numpy()
mask = true_reads[:, 2].astype(bool)

ellipsoid_keys = true_reads[mask, 0]

run_keys = list(ellipsoid_keys)
Exemplo n.º 10
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#!/usr/bin/env python
# -*- coding: utf-8 -*-

# To Sasview/documents/scripts

from bumps.names import *
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment
from sasmodels.data import load_data, plot_data
""" IMPORT THE DATA USED """
datafiles = ['latex_smeared_out_0.txt', 'latex_smeared_out_1.txt']
datasets = [load_data(el) for el in datafiles]

for data in datasets:
    data.qmin = 0.0
    data.qmax = 10.0

#sphere model
kernel = load_model('sphere', dtype="single")
pars = dict(scale=0.01, background=0.0, sld=1.0, sld_solvent=6.0, radius=1500.)
model = Model(kernel, **pars)
model.radius.range(0, inf)
#model.background.range(-inf, inf)
#model.scale.range(0, inf)
model.sld.range(-inf, inf)
model.sld_solvent.range(-inf, inf)

free = FreeVariables(
    names=[data.filename for data in datasets],
    background=model.background,
    scale=model.scale,
Exemplo n.º 11
0
from bumps.names import *

from sasmodels.data import load_data
from sasmodels.core import load_model
from sasmodels.bumps_model import Model, Experiment

# Spherical particle data, not ellipsoids
sans, usans = load_data('latex_smeared.xml', index='all')
usans.qmin, usans.qmax = np.min(usans.x), np.max(usans.x)
usans.mask = (usans.x < 0.0)
usans.oriented = True
#print sans.dxl, usans.dxl
#import pprint; pprint.pprint(sans.__dict__)

kernel = load_model("ellipsoid")

model = Model(
    kernel,
    scale=0.08,
    background=0,
    sld=.291,
    sld_solvent=7.105,
    radius_polar=1800,
    radius_polar_pd=0.222296,
    radius_polar_pd_n=0,
    radius_equatorial=2600,
    radius_equatorial_pd=0.28,
    radius_equatorial_pd_n=0,
    theta=60,
    theta_pd=0,
    theta_pd_n=0,