Esempio n. 1
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def _rec_inner_join_helper(keycols, arr_list):
    '''All the dtype-wrangling and assertions for rec_inner_join'''
    assert len(arr_list), 'You must pass a string and one or more record arrays!'
    assert len(set(keycols)) == len(keycols), 'keycols must not contain duplicates!'
    #if jointype not in ['inner', 'outer', 'left']:
    #    msg = '{} jointype is not implemented. Only inner, outer, and left join are implemented.'
    #    raise Exception(msg.format(jointype))

    names_list = [a.dtype.names for a in arr_list]
    dtypes_list = lmap(get_rec_dtypes, arr_list)
    names_and_dtypes_list = [lzip(names, dtypes)
                             for names, dtypes in zip(names_list, dtypes_list)]
    _nd_dict = dict(zip(names_list[0], dtypes_list[0]))
    key_dtypes = [_nd_dict[name] for name in keycols]

    non_key_names_and_dtypes = [[(name, dt) for name, dt in name_dtype_list
                                            if name not in keycols]
                                for name_dtype_list in names_and_dtypes_list]

    non_key_col_names = fL(non_key_names_and_dtypes)[:, :, 0]
    non_key_dtypes = fL(non_key_names_and_dtypes)[:, :, 1]
    output_dtype = lzip(keycols, key_dtypes) + flatten(non_key_names_and_dtypes)

    # Assertions to ensure bad things can't happen:
    msg = 'Each input array must have all the keycols'
    assert all([not (set(keycols) - set(arr.dtype.names)) for arr in arr_list]), msg

    msg = 'All arrays must have the same dtype for all keycols and may not share any other columns in common'
    _all_names = flatten(names_list)
    expected_num_cols = len(_all_names) - len(keycols) * (len(arr_list) - 1)
    assert expected_num_cols == len(output_dtype) == len(set(_all_names)), msg

    return non_key_col_names, output_dtype
def zipIntoPairs(l, cycle=False, offset=1):
    '''Form all adjacent pairs from a list
       If cycle is True, pair the end and beginning as well
       If offset is greater than 1, pair separated elements'''
    if cycle:
        return lzip(l, roll(l, -offset))
    else:
        return lzip(l[:-offset], l[offset:])
Esempio n. 3
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def zipIntoPairs(l,cycle=False,offset=1):
    '''Form all adjacent pairs from a list
       If cycle is True, pair the end and beginning as well
       If offset is greater than 1, pair separated elements'''
    if cycle:
        return lzip(l,roll(l,-offset))
    else:
        return lzip(l[:-offset],l[offset:])
Esempio n. 4
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    def infer_transition_matrix_coefficient_from_data(
        self,
        source: str,
        target: str,
        state: Optional[str] = None,
        crop: Optional[str] = None,
    ):
        """ Infer the distribution of a particular transition matrix
        coefficient from data.

        Args:
            source: The source of the edge corresponding to the matrix element
                to infer.
            target: The target of the edge corresponding to the matrix element
                to infer.
            state:
                The state in South Sudan for which the transition matrix
                coefficient should be calculated.
            crop:
                The crop for which the transition matrix coefficient should be
                calculated.
        """
        rows = engine.execute(
            f"select * from dssat where `Crop` like '{crop}'"
            f" and `State` like '{state}'"
        )
        xs, ys = lzip(*[(r["Rainfall"], r["Production"]) for r in rows])
        xs_scaled, ys_scaled = xs / np.mean(xs), ys / np.mean(ys)
        p, V = np.polyfit(xs_scaled, ys_scaled, 1, cov=True)
        self.edges[source, target]["βs"] = np.random.normal(
            p[0], np.sqrt(V[0][0]), self.res
        )
        self.sample_from_prior()
Esempio n. 5
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def _rec_inner_join_helper(keycols, arr_list):
    '''All the dtype-wrangling and assertions for rec_inner_join'''
    assert len(
        arr_list), 'You must pass a string and one or more record arrays!'
    assert len(
        set(keycols)) == len(keycols), 'keycols must not contain duplicates!'
    #if jointype not in ['inner', 'outer', 'left']:
    #    msg = '{} jointype is not implemented. Only inner, outer, and left join are implemented.'
    #    raise Exception(msg.format(jointype))

    names_list = [a.dtype.names for a in arr_list]
    dtypes_list = lmap(get_rec_dtypes, arr_list)
    names_and_dtypes_list = [
        lzip(names, dtypes) for names, dtypes in zip(names_list, dtypes_list)
    ]
    _nd_dict = dict(zip(names_list[0], dtypes_list[0]))
    key_dtypes = [_nd_dict[name] for name in keycols]

    non_key_names_and_dtypes = [[(name, dt) for name, dt in name_dtype_list
                                 if name not in keycols]
                                for name_dtype_list in names_and_dtypes_list]

    non_key_col_names = fL(non_key_names_and_dtypes)[:, :, 0]
    non_key_dtypes = fL(non_key_names_and_dtypes)[:, :, 1]
    output_dtype = lzip(keycols,
                        key_dtypes) + flatten(non_key_names_and_dtypes)

    # Assertions to ensure bad things can't happen:
    msg = 'Each input array must have all the keycols'
    assert all([not (set(keycols) - set(arr.dtype.names))
                for arr in arr_list]), msg

    msg = 'All arrays must have the same dtype for all keycols and may not share any other columns in common'
    _all_names = flatten(names_list)
    expected_num_cols = len(_all_names) - len(keycols) * (len(arr_list) - 1)
    assert expected_num_cols == len(output_dtype) == len(set(_all_names)), msg

    return non_key_col_names, output_dtype
 def fill_and_plot(points, color_code):
     xs, ys = lzip(*points)
     ax.plot(xs, ys, linewidth=0.5, color="grey")
     ax.fill(xs, ys, color=colors[color_code])
def process_FEWSNET_IPC_data(shpfile: str, title: str):
    admin_boundaries_shapefile = "data/FEWSNET_World_Admin/FEWSNET_Admin2"
    sf_admin = shapefile.Reader(admin_boundaries_shapefile)
    colors = {
        0: "white",
        1: "#c3e2c3",
        2: "#f3e838",
        3: "#eb7d24",
        4: "#cd2026",
        5: "#5d060c",
        66: "aqua",
        88: "white",
        99: "white",
    }
    sf = shapefile.Reader(shpfile)

    fig, ax = plt.subplots(figsize=(12, 12))
    ax.set_aspect("equal")
    ax.set_title(title)
    plt.style.use("ggplot")

    def fill_and_plot(points, color_code):
        xs, ys = lzip(*points)
        ax.plot(xs, ys, linewidth=0.5, color="grey")
        ax.fill(xs, ys, color=colors[color_code])

    fs_polygons = []

    for i, sr in tqdm(enumerate(sf.shapeRecords())):
        nparts = len(sr.shape.parts)
        parts, points = sr.shape.parts, sr.shape.points
        CS = int(sr.record[0])
        if nparts == 1:
            # fill_and_plot(points, CS)
            fs_polygons.append((Polygon(points), int(sr.record[0])))
        else:
            for ip, part in enumerate(parts):
                if ip < nparts - 1:
                    i1 = parts[ip + 1] - 1
                else:
                    i1 = len(points)
                # fill_and_plot(points[part : i1 + 1], CS),
                fs_polygons.append(
                    (Polygon(points[part : i1 + 1]), int(sr.record[0]))
                )

    south_sudan_srs = [
        sr for sr in sf_admin.shapeRecords() if sr.record[3] == "South Sudan"
    ]

    lines = []

    for sr in tqdm(south_sudan_srs, desc="South Sudan Counties"):
        county_polygon = Polygon(sr.shape.points)
        for fs_polygon in tqdm(fs_polygons, desc="fs_polygons"):
            if county_polygon.buffer(-0.05).intersects(fs_polygon[0]):
                centroid = county_polygon.centroid
                ax.text(
                    centroid.x,
                    centroid.y,
                    sr.record[8],
                    fontsize=6,
                    horizontalalignment="center",
                )
                xs, ys = lzip(*sr.shape.points)
                CS = int(fs_polygon[1])
                fill_and_plot(sr.shape.points, CS)
                lines.append(
                    "\t".join([str(x) for x in sr.record] + [str(CS)])
                )

    with open("ipc_data.tsv", "w") as f:
        f.write("\n".join(lines))

    plt.savefig("shape.pdf")
def ziptranspose(l):
    '''Tranpose the two outer dimensions of a nest list
       (This is just a wrapper around zip(*l) that returns a list)'''
    return lzip(*l)
Esempio n. 9
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def ziptranspose(l):
    '''Tranpose the two outer dimensions of a nest list
       (This is just a wrapper around zip(*l) that returns a list)'''
    return lzip(*l)
Esempio n. 10
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 def fill_and_plot(points, sr):
     xs, ys = lzip(*points)
     ax.plot(xs, ys, linewidth=0.5, color="grey")
     ax.fill(xs, ys, color=colors[int(sr.record[0])])