Exemplo n.º 1
0
    def add_columns(self, other, columns):
        """Given another document `other' find the matching tables and add
        the columns in `columns' to the table"""

        # TODO: This is similar to join, refactoring should be possible
        d = LatexDoc()
        for it1 in self.items:
            labels1 = set(it1.row_labels)
            for it2 in other.items:
                labels2 = set(it2.row_labels)
                common = labels1.intersection(labels2)
                if common:
                    t = Table()
                    common = list(common)
                    projected_it2 = it2.select_columns(columns)
                    ind1 = utilities.indices(it1.row_labels, common)
                    ind2 = utilities.indices(projected_it2.row_labels, common)
                    rows1 = [it1[row].values for row in ind1]
                    rows2 = [projected_it2[row].values for row in ind2]

                    new_rows = [r1 + r2 for (r1, r2) in zip(rows1, rows2)]
                    # print "new rows: ", new_rows
                    t.column_labels = it1.column_labels + columns

                    for (prob_idx, prob) in enumerate(common):
                        t.add_row_in_order(new_rows[prob_idx], prob)

                    d.add_item(t)
        return d
Exemplo n.º 2
0
    def join(self, other, op=operator.concat):
        """Join all the items that has at least one common row label. Pivot is the first column"""
        # TODO: Pivot as other columns?
        d = LatexDoc()
        for it1 in self.items:
            if type(it1) != Table:
                raise TypeError

            labels1 = set(it1.row_labels)

            for it2 in other.items:
                if type(it2) != Table:
                    raise TypeError

                labels2 = set(it2.row_labels)

                common = labels1.intersection(labels2)

                if common:
                    t = Table()
                    common = list(common)
                    ind1 = utilities.indices(it1.row_labels, common)
                    ind2 = utilities.indices(it2.row_labels, common)
                    rows1 = [it1[row].values for row in ind1]
                    rows2 = [it2[row].values for row in ind2]

                    new_rows = [op(r1, r2) for (r1, r2) in zip(rows1, rows2)]
                    t.column_labels = op(it1.column_labels, it2.column_labels[1:])

                    for (prob_idx, prob) in enumerate(common):
                        t.add_row_in_order(new_rows[prob_idx], prob)

                    d.add_item(t)
        return d
Exemplo n.º 3
0
 def names_to_indices(self, names):
     """Return the indices of the column names in the rows"""
     return [ind - 1 for ind in utilities.indices(self.column_labels, names)]