第一次使用預測流程，執行 Part3 腳本，出現下列問題? 圖的下方，有貼上完整訊息。 - Cupoy

2020/07/24 上午 07:42

《用 Python 打造你的 AI 股票交易引擎》業界專家實戰教學

porson

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--------------------------------------------------------------------------- KeyError                                  Traceback (most recent call last) ~\anaconda3\lib\site-packages\IPython\core\formatters.py in __call__(self, obj)     343             method = get_real_method(obj, self.print_method)     344 if method is not None: --> 345 return method()     346 return None     347 else: ~\anaconda3\lib\site-packages\pandas\io\formats\style.py in _repr_html_(self)     180         Hooks into Jupyter notebook rich display system.     181         """ --> 182 return self.render()     183     184     @Appender(  ~\anaconda3\lib\site-packages\pandas\io\formats\style.py in render(self, **kwargs)     535 * table_attributes     536         """ --> 537 self._compute()     538 # TODO: namespace all the pandas keys     539         d = self._translate() ~\anaconda3\lib\site-packages\pandas\io\formats\style.py in _compute(self)     610         r = self     611 for func, args, kwargs in self._todo: --> 612 r = func(self)(*args, **kwargs)     613 return r     614 ~\anaconda3\lib\site-packages\pandas\io\formats\style.py in _applymap(self, func, subset, **kwargs)     702             subset = pd.IndexSlice[:]     703         subset = _non_reducing_slice(subset) --> 704 result = self.data.loc[subset].applymap(func)     705         self._update_ctx(result)     706 return self  ~\anaconda3\lib\site-packages\pandas\core\indexing.py in __getitem__(self, key)    1759 except (KeyError, IndexError, AttributeError):    1760 pass -> 1761 return self._getitem_tuple(key)    1762 else:    1763 # we by definition only have the 0th axis ~\anaconda3\lib\site-packages\pandas\core\indexing.py in _getitem_tuple(self, tup)    1286 continue    1287 -> 1288 retval = getattr(retval, self.name)._getitem_axis(key, axis=i)    1289    1290 return retval  ~\anaconda3\lib\site-packages\pandas\core\indexing.py in _getitem_axis(self, key, axis)    1951 raise ValueError("Cannot index with multidimensional key")    1952 -> 1953 return self._getitem_iterable(key, axis=axis)    1954    1955 # nested tuple slicing ~\anaconda3\lib\site-packages\pandas\core\indexing.py in _getitem_iterable(self, key, axis)    1592 else:    1593 # A collection of keys -> 1594 keyarr, indexer = self._get_listlike_indexer(key, axis, raise_missing=False)    1595             return self.obj._reindex_with_indexers(    1596 {axis: [keyarr, indexer]}, copy=True, allow_dups=True ~\anaconda3\lib\site-packages\pandas\core\indexing.py in _get_listlike_indexer(self, key, axis, raise_missing)    1550    1551         self._validate_read_indexer( -> 1552 keyarr, indexer, o._get_axis_number(axis), raise_missing=raise_missing    1553         )    1554 return keyarr, indexer  ~\anaconda3\lib\site-packages\pandas\core\indexing.py in _validate_read_indexer(self, key, indexer, axis, raise_missing)    1652 if not (ax.is_categorical() or ax.is_interval()):    1653                 raise KeyError( -> 1654 "Passing list-likes to .loc or [] with any missing labels "    1655 "is no longer supported, see "    1656 "https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#deprecate-loc-reindex-listlike" # noqa:E501 KeyError: 'Passing list-likes to .loc or [] with any missing labels is no longer supported, see https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#deprecate-loc-reindex-listlike' 

<pandas.io.formats.style.Styler at 0x21907df5948>

資產總計 : 1,150,432 

6224 歸因分析圖 

--------------------------------------------------------------------------- UnicodeDecodeError                        Traceback (most recent call last) <ipython-input-6-e48eedced9e4> in <module>       7 model_2d60 = cs.load_model(data_2d, model_file='2d_60D_model')       8 model_60 = cs.blending_model([model_1d60, model_2d60], [0.7]) ----> 9 cs.predict_result(trading_params=TRADING_PARAMS, model_d1=model_1, model_d60=model_60) C:\porson\AI_EX\CH4\cstock.py in predict_result(trading_params, model_d1, model_d60)    1436             max_index = model_60[1].index(max(model_60[1]))    1437             plot_model_60 = model_60[0][max_index] -> 1438 shap_plot(plot_model_60, shap_item)    1439 else: # 單一模型    1440             shap_plot(model_60, shap_item) C:\porson\AI_EX\CH4\cstock.py in shap_plot(model, shap_item)    1208     submodel = model[2]    1209 if model[1]==0: -> 1210 explainer = shap.TreeExplainer(submodel)    1211         shap_values = explainer.shap_values(data)    1212         shap.initjs() ~\anaconda3\lib\site-packages\shap\explainers\tree.py in __init__(self, model, data, model_output, feature_perturbation, **deprecated_options)     119         self.feature_perturbation = feature_perturbation     120         self.expected_value = None --> 121 self.model = TreeEnsemble(model, self.data, self.data_missing, model_output)     122         self.model_output = model_output     123 #self.model_output = self.model.model_output # this allows the TreeEnsemble to translate model outputs types by how it loads the model ~\anaconda3\lib\site-packages\shap\explainers\tree.py in __init__(self, model, data, data_missing, model_output)     755             self.original_model = model.get_booster()     756             self.model_type = "xgboost" --> 757 xgb_loader = XGBTreeModelLoader(self.original_model)     758             self.trees = xgb_loader.get_trees(data=data, data_missing=data_missing)     759             self.base_offset = xgb_loader.base_score  ~\anaconda3\lib\site-packages\shap\explainers\tree.py in __init__(self, xgb_model)    1324         self.read_arr('i', 29) # reserved    1325         self.name_obj_len = self.read('Q') -> 1326 self.name_obj = self.read_str(self.name_obj_len)    1327         self.name_gbm_len = self.read('Q')    1328         self.name_gbm = self.read_str(self.name_gbm_len) ~\anaconda3\lib\site-packages\shap\explainers\tree.py in read_str(self, size)    1454    1455 def read_str(self, size): -> 1456 val = self.buf[self.pos:self.pos+size].decode('utf-8')    1457         self.pos += size    1458 return val  UnicodeDecodeError: 'utf-8' codec can't decode byte 0xed in position 198: invalid continuation byte 

回答列表

• 2020/07/24 上午 10:59
  陳明佑 (Ming You Chen)
  贊同數：2
  不贊同數：0
  留言數：1

  同學您好

  這個狀況分為兩個問題

  
  

  前半部的問題, 是無法顯示彩色表格格式, 

  可以先使用昨天的更新版程式, 替換掉其中的 cstock.py, 就能先看到正常的無上色版

  後半部的問題, 同樣是因為新版XGB無法使用舊版資訊不相容的問題

  昨天的更新版程式也有修正這點, 請您再試試看

• 2020/07/25 上午 09:57
  徐偉峻
  贊同數：3
  不贊同數：0
  留言數：0

  我下載了7/24 v1.03 版執行還是有遇到一樣的問題

  
  

  KeyError: 'Passing list-likes to .loc or [] with any missing labels is no longer supported

  AttributeError: 'list' object has no attribute 'save_raw'

  
  

  --------------------------------------------------------------------------- KeyError Traceback (most recent call last) /usr/local/anaconda3/lib/python3.7/site-packages/IPython/core/formatters.py in __call__(self, obj) 343 method = get_real_method(obj, self.print_method) 344 if method is not None: --> 345 return method() 346 return None 347 else: /usr/local/anaconda3/lib/python3.7/site-packages/pandas/io/formats/style.py in _repr_html_(self) 180 Hooks into Jupyter notebook rich display system. 181 """ --> 182 return self.render() 183 184 @Appender( /usr/local/anaconda3/lib/python3.7/site-packages/pandas/io/formats/style.py in render(self, **kwargs) 535 * table_attributes 536 """ --> 537 self._compute() 538 # TODO: namespace all the pandas keys 539 d = self._translate() /usr/local/anaconda3/lib/python3.7/site-packages/pandas/io/formats/style.py in _compute(self) 610 r = self 611 for func, args, kwargs in self._todo: --> 612 r = func(self)(*args, **kwargs) 613 return r 614 /usr/local/anaconda3/lib/python3.7/site-packages/pandas/io/formats/style.py in _applymap(self, func, subset, **kwargs) 702 subset = pd.IndexSlice[:] 703 subset = _non_reducing_slice(subset) --> 704 result = self.data.loc[subset].applymap(func) 705 self._update_ctx(result) 706 return self /usr/local/anaconda3/lib/python3.7/site-packages/pandas/core/indexing.py in __getitem__(self, key) 1760 except (KeyError, IndexError, AttributeError): 1761 pass -> 1762 return self._getitem_tuple(key) 1763 else: 1764 # we by definition only have the 0th axis /usr/local/anaconda3/lib/python3.7/site-packages/pandas/core/indexing.py in _getitem_tuple(self, tup) 1287 continue 1288 -> 1289 retval = getattr(retval, self.name)._getitem_axis(key, axis=i) 1290 1291 return retval /usr/local/anaconda3/lib/python3.7/site-packages/pandas/core/indexing.py in _getitem_axis(self, key, axis) 1952 raise ValueError("Cannot index with multidimensional key") 1953 -> 1954 return self._getitem_iterable(key, axis=axis) 1955 1956 # nested tuple slicing /usr/local/anaconda3/lib/python3.7/site-packages/pandas/core/indexing.py in _getitem_iterable(self, key, axis) 1593 else: 1594 # A collection of keys -> 1595 keyarr, indexer = self._get_listlike_indexer(key, axis, raise_missing=False) 1596 return self.obj._reindex_with_indexers( 1597 {axis: [keyarr, indexer]}, copy=True, allow_dups=True /usr/local/anaconda3/lib/python3.7/site-packages/pandas/core/indexing.py in _get_listlike_indexer(self, key, axis, raise_missing) 1551 1552 self._validate_read_indexer( -> 1553 keyarr, indexer, o._get_axis_number(axis), raise_missing=raise_missing 1554 ) 1555 return keyarr, indexer /usr/local/anaconda3/lib/python3.7/site-packages/pandas/core/indexing.py in _validate_read_indexer(self, key, indexer, axis, raise_missing) 1653 if not (ax.is_categorical() or ax.is_interval()): 1654 raise KeyError( -> 1655 "Passing list-likes to .loc or [] with any missing labels " 1656 "is no longer supported, see " 1657 "https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#deprecate-loc-reindex-listlike" # noqa:E501 KeyError: 'Passing list-likes to .loc or [] with any missing labels is no longer supported, see https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#deprecate-loc-reindex-listlike' ###draft_code_symbol_lessthen###pandas.io.formats.style.Styler at 0x7f94d1ad8a20> findfont: Font family ['sans-serif'] not found. Falling back to DejaVu Sans. findfont: Font family ['sans-serif'] not found. Falling back to DejaVu Sans. 資產總計 : 3,836,910 --------------------------------------------------------------------------- StopIteration Traceback (most recent call last) /usr/local/anaconda3/lib/python3.7/site-packages/IPython/core/formatters.py in __call__(self, obj) 339 pass 340 else: --> 341 return printer(obj) 342 # Finally look for special method names 343 method = get_real_method(obj, self.print_method) /usr/local/anaconda3/lib/python3.7/site-packages/IPython/core/pylabtools.py in ###draft_code_symbol_lessthen###lambda>(fig) 246 247 if 'png' in formats: --> 248 png_formatter.for_type(Figure, lambda fig: print_figure(fig, 'png', **kwargs)) 249 if 'retina' in formats or 'png2x' in formats: 250 png_formatter.for_type(Figure, lambda fig: retina_figure(fig, **kwargs)) /usr/local/anaconda3/lib/python3.7/site-packages/IPython/core/pylabtools.py in print_figure(fig, fmt, bbox_inches, **kwargs) 130 FigureCanvasBase(fig) 131 --> 132 fig.canvas.print_figure(bytes_io, **kw) 133 data = bytes_io.getvalue() 134 if fmt == 'svg': /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/backend_bases.py in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, **kwargs) 2101 bbox_artists = kwargs.pop("bbox_extra_artists", None) 2102 bbox_inches = self.figure.get_tightbbox(renderer, -> 2103 bbox_extra_artists=bbox_artists) 2104 pad = kwargs.pop("pad_inches", None) 2105 if pad is None: /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/figure.py in get_tightbbox(self, renderer, bbox_extra_artists) 2383 2384 for a in artists: -> 2385 bbox = a.get_tightbbox(renderer) 2386 if bbox is not None and (bbox.width != 0 or bbox.height != 0): 2387 bb.append(bbox) /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/axes/_base.py in get_tightbbox(self, renderer, call_axes_locator, bbox_extra_artists) 4359 # this artist 4360 continue -> 4361 bbox = a.get_tightbbox(renderer) 4362 if (bbox is not None 4363 and 0 ###draft_code_symbol_lessthen### bbox.width ###draft_code_symbol_lessthen### np.inf /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/artist.py in get_tightbbox(self, renderer) 280 The enclosing bounding box (in figure pixel co-ordinates). 281 """ --> 282 bbox = self.get_window_extent(renderer) 283 if self.get_clip_on(): 284 clip_box = self.get_clip_box() /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/text.py in get_window_extent(self, renderer) 2401 2402 if self.arrow_patch is not None: -> 2403 bboxes.append(self.arrow_patch.get_window_extent()) 2404 2405 return Bbox.union(bboxes) /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/patches.py in get_window_extent(self, renderer) 607 608 def get_window_extent(self, renderer=None): --> 609 return self.get_path().get_extents(self.get_transform()) 610 611 def _convert_xy_units(self, xy): /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/patches.py in get_path(self) 4216 in display coordinates. 4217 """ -> 4218 _path, fillable = self.get_path_in_displaycoord() 4219 if np.iterable(fillable): 4220 _path = concatenate_paths(_path) /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/patches.py in get_path_in_displaycoord(self) 4236 patchB=self.patchB, 4237 shrinkA=self.shrinkA * dpi_cor, -> 4238 shrinkB=self.shrinkB * dpi_cor 4239 ) 4240 else: /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/patches.py in __call__(self, posA, posB, shrinkA, shrinkB, patchA, patchB) 2773 path = self.connect(posA, posB) 2774 -> 2775 clipped_path = self._clip(path, patchA, patchB) 2776 shrunk_path = self._shrink(clipped_path, shrinkA, shrinkB) 2777 /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/patches.py in _clip(self, path, patchA, patchB) 2726 2727 try: -> 2728 left, right = split_path_inout(path, insideA) 2729 except ValueError: 2730 right = path /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/cbook/deprecation.py in wrapper(*args, **kwargs) 294 f"for the old name will be dropped %(removal)s.") 295 kwargs[new] = kwargs.pop(old) --> 296 return func(*args, **kwargs) 297 298 # wrapper() must keep the same documented signature as func(): if we /usr/local/anaconda3/lib/python3.7/site-packages/matplotlib/bezier.py in split_path_inout(path, inside, tolerance, reorder_inout) 272 path_iter = path.iter_segments() 273 --> 274 ctl_points, command = next(path_iter) 275 begin_inside = inside(ctl_points[-2:]) # true if begin point is inside 276 StopIteration: ###draft_code_symbol_lessthen###Figure size 1080x576 with 1 Axes> 4938 歸因分析圖 --------------------------------------------------------------------------- UnicodeDecodeError Traceback (most recent call last) ~/Documents/python/v103_20200724_ch4_stock/cstock.py in predict_result(trading_params, model_d1, model_d60) 1440 try: -> 1441 shap_plot(plot_model_60, shap_item) 1442 except: ~/Documents/python/v103_20200724_ch4_stock/cstock.py in shap_plot(model, shap_item) 1211 if model[1]==0: -> 1212 explainer = shap.TreeExplainer(submodel) 1213 shap_values = explainer.shap_values(data) /usr/local/anaconda3/lib/python3.7/site-packages/shap/explainers/tree.py in __init__(self, model, data, model_output, feature_perturbation, **deprecated_options) 120 self.expected_value = None --> 121 self.model = TreeEnsemble(model, self.data, self.data_missing, model_output) 122 self.model_output = model_output /usr/local/anaconda3/lib/python3.7/site-packages/shap/explainers/tree.py in __init__(self, model, data, data_missing, model_output) 756 self.model_type = "xgboost" --> 757 xgb_loader = XGBTreeModelLoader(self.original_model) 758 self.trees = xgb_loader.get_trees(data=data, data_missing=data_missing) /usr/local/anaconda3/lib/python3.7/site-packages/shap/explainers/tree.py in __init__(self, xgb_model) 1325 self.name_obj_len = self.read('Q') -> 1326 self.name_obj = self.read_str(self.name_obj_len) 1327 self.name_gbm_len = self.read('Q') /usr/local/anaconda3/lib/python3.7/site-packages/shap/explainers/tree.py in read_str(self, size) 1455 def read_str(self, size): -> 1456 val = self.buf[self.pos:self.pos+size].decode('utf-8') 1457 self.pos += size UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 342: invalid start byte During handling of the above exception, another exception occurred: AttributeError Traceback (most recent call last) ###draft_code_symbol_lessthen###ipython-input-6-e48eedced9e4> in ###draft_code_symbol_lessthen###module> 7 model_2d60 = cs.load_model(data_2d, model_file='2d_60D_model') 8 model_60 = cs.blending_model([model_1d60, model_2d60], [0.7]) ----> 9 cs.predict_result(trading_params=TRADING_PARAMS, model_d1=model_1, model_d60=model_60) ~/Documents/python/v103_20200724_ch4_stock/cstock.py in predict_result(trading_params, model_d1, model_d60) 1441 shap_plot(plot_model_60, shap_item) 1442 except: -> 1443 model_bytearray = plot_model_60.save_raw()[4:] 1444 def myfun(self=None): 1445 return model_bytearray AttributeError: 'list' object has no attribute 'save_raw'