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75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
#
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# Copyright (c) 2024 Maxim Slipenko, Eugene Lazurenko.
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#
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# This file is part of Statapp
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# (see https://github.com/shizand/statapp).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import numpy as np
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from PySide2.QtCore import Qt
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from statapp.models.editable_table_model import EditableTableModel
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from statapp.models.regression_result_model import RegressionResultModel
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def defaultX(x):
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return x
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TRANSFORMS = {
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'-': defaultX,
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'sin(x)': np.sin,
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'cos(x)': np.cos,
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'log(x)': np.log,
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'exp(x)': np.exp,
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}
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class TransformPolynomModel(RegressionResultModel, EditableTableModel):
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def __init__(self, result):
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self._monomials = None
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super().__init__(result)
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n = result.paramsAndImportance.shape[0]
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self._transforms = ['-'] * n
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def columnCount(self, index):
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return 3
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def updateAllData(self, data):
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d = data.paramsAndImportance
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self._monomials = data.monomials
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super().updateAllData(d)
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def flags(self, index):
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if index.column() == 0 and index.row() != 0:
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return EditableTableModel.flags(self, index)
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return RegressionResultModel.flags(self, index)
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def data(self, index, role):
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if role == Qt.DisplayRole and index.column() == 0:
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return self._transforms[index.row()]
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return super().data(index, role)
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def setData(self, index, value, role):
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if role == Qt.EditRole and index.column() == 0:
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self._transforms[index.row()] = value
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topLeftIndex = self.createIndex(index.row(), 0)
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bottomRightIndex = self.createIndex(index.row(), 0)
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self.dataChanged.emit(topLeftIndex, bottomRightIndex)
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return True
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return super().setData(index, value, role)
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def getHorizontalHeader(self):
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return ['Преобразования'] + super().getHorizontalHeader()
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