data-science well solved issues

Articles of tag data-science

926

keras Loading model with custom loss function: ValueError: 'Unknown loss function'

633

keras Tensorflow backend - bug in model._make_predict_function(...)

516

keras Creating Model variable throws "AttributeError: 'Tensor' object has no attribute '_keras_history'"

423

ipython Last jedi release (0.18.0) is incompatible with ipython (7.19 and 7.18 tested); reason - column arg was deprecated, and now removed

395

keras "<tensor> is not an element of this graph." when loading model.

204

keras Quick Question: can a model be fit for multiple times?

202

ipython NameError: name 'sys' is not defined

183

keras Error when checking model target: expected activation_2 to have shape (None, 10) but got array with shape (3, 1)

178

keras Is there a way in Keras to apply different weights to a cost function?

175

matplotlib 'NSWindow drag regions should only be invalidated on the Main Thread!' - macos/python

173

keras Keras MaxPooling2D gives ValueError: Negative dimension size caused by subtracting 2 from 1 for 'MaxPool_x'

172

keras Keras model cannot be loaded if it contains a Lambda layer calling tf.image.resize_images

164

keras how to use fit_generator with multiple image inputs

151

keras Expected 3 dimensions but got array with shape (11, 2)

148

keras AttributeError: 'ProgbarLogger' object has no attribute 'log_values'

147

keras For large datasets, which to use: fit or train_on_batch?

147

keras Split train data into training and validation when using ImageDataGenerator and model.fit_generator

145

keras using pre trained VGG16 for another classification task

123

keras "Merge" versus "merge", what is the difference?

118

matplotlib Getting "No module named '_tkinter'" error

117

superset Was unable to import superset Error: cannot import name '_maybe_box_datetimelike'

115

keras load_model() with custom layers, and custom layers in general

108

keras Retrained MobileNet and failed to load it for prediction

107

keras How does Embedding Layer work?

105

keras Running tensorflow backend on single gpu but on multi gpu machine

105

keras TypeError: softmax() got an unexpected keyword argument 'axis'

101

keras Passing additional arguments to objective function

96

keras Option for using dropout in the predict phase (as an approximation to Bayesian DL)

91

probability ImportError: cannot import name 'abs' when importing TFP in Python 3 (and in Python 2)

89

keras loss function for multi-label problem

87

keras Convert Keras model to TensorFlow

82

keras experimental_list_devices in tensorflow_backend.py (line 506)

82

keras Removing layers with layers.pop() doesn't work?

78

keras A concrete example for using data generator for large datasets such as ImageNet

72

keras ImportError: No module named h5py

72

matplotlib Segmentation fault (core dumped) when import matplotlib.pyplot

71

keras Variable-size image to convolutional layer

71

keras val_acc KeyError using ModelCheckpoint.

69

keras Combining Pretrained model with new layers

67

keras LSTM/RNN input and output

67

hydrogen Hydrogen can't find ipykernel launcher

64

keras Attention Mechanism Implementation Issue

64

keras Each time I run the Keras, I get different result.

60

keras Callback self.validation_data is None, when fit_generator is used

60

keras ImageGenerator for multiple inputs

53

ipython No module named shutil_get_terminal_size

53

keras File "h5py/h5f.pyx", line 78, in h5py.h5f.open (/tmp/pip-nCYoKW-build/h5py/h5f.c:2117) IOError: Unable to open file (Truncated file: eof = 21463040, sblock->base_addr = 0, stored_eoa = 58889256)

51

keras Does Keras support using multiple GPUs?

50

keras How to implement my own loss function?

49

keras 'thread._local' object has no attribute 'value' error

48

keras how to load weights trained on multi gpu model to the single gpu model?

48

scikit learn mldata.org is down (for good?)

47

keras AttributeError: module 'pydot' has no attribute 'find_graphviz'

47

keras Unable to Load Custom Objectives from an H5 Model File

46

keras How to use a tensorflow metric function in keras?

45

keras Confusion regarding class_weight

43

keras Can't load_model with error “Optimizer weight shape (256, 32) not compatible with provided weight shape (4,)”

43

scikit learn Native wheels for the macos/arm64 platform (Apple Silicon M1 hardware)

41

keras memory leak when using tensorflow

41

keras Generalized dice loss for multi-class segmentation

39

pytorch lightning Model load_from_checkpoint

39

keras How to get learning rate during training ?

39

keras Keras freezing on last batch of first epoch (can't move to second epoch)

35

keras Attribute Error: Custom Generator object has no attribute 'shape'

35

keras How to Set/Change layer/model name

34

ray [Dashboard] OSError: [Errno 99] error while attempting to bind on address ('::1', 8265, 0, 0): cannot assign requested address

33

streamlit Ability to download data from Streamlit

32

keras No module named keras

32

keras Multi_gpu in keras not working with callbacks, but works fine if callback is removed

32

scikit learn Stratified GroupKFold

31

ipython ImportError: No module named shutil_get_terminal_size

31

keras 'You must feed a value for placeholder tensor' when using Tensorboard callback with submodels

31

keras AttributeError: module 'keras.backend.tensorflow_backend' has no attribute '_is_tf_1'

31

keras Unable to fine tune Keras vgg16 model - input shape issue

30

gensim Error on Word2vec training on tweets

30

scikit learn t-SNE fails with array must not contain infs or NaNs (OSX specific)

29

keras Different results between model.evaluate() and model.predict()

29

keras "bad marshal data" when loading model that was saved with python 2.7 into python 3.4.

29

keras Loading a trained model, popping the last two layers, and then saving it

29

seaborn relplot error when using str as hue

28

keras [BUG] Save Model with multi_gpu

27

keras model.save() throwed out an OSError: Unable to create file(error message = 'resource temporarily unavailable')

27

streamlit Watchdog error on install (Mac)

26

keras Spring 2017 roadmap: Keras 2, PR freeze, TF integration

26

keras Unnecessary Warning for trainable parameters

25

keras ValueError: Unable to create group (Name already exists) with model.save_weights()

24

keras Unable to load custom initializer from the saved model, passing custom_objects is not working

24

ray [rllib] What is the proper way to restore checkpoint for fine-tuning / rendering / evaluation of a trained agent based on example/multiagent_cartpole.py?

24

scikit learn Cannot get feature names after ColumnTransformer

23

pipelines [Multi User] failed to call kfp.Client().create_run_from_pipeline_func in in-cluster juypter notebook

22

ipython pip install error

22

keras fit_generator crashes though keras.utils.data_utils.Sequence was used

22

keras Proper way of making a data generator which can handle multiple workers

22

keras How does Masking work?

22

keras Exception: A target array with shape (395216, 24) was passed for an output of shape (None, 1)

22

scikit learn Failed To Install scikit-learn with Python 3.9 on Windows

21

spaCy Problem with spacy.load('en')

21

spaCy ValueError: 2539520 exceeds max_bin_len(1048576) when uses spacy.load()

21

keras Online Learning in Keras?

21

matplotlib error import matplotlib.pyplot as plt

21

scikit learn Handle Error Policy in OrdinalEncoder

21

streamlit Make "wide mode" sticky

20

superset Error logging in to superset (sqlalchemy.exc.ProgrammingError)

20

keras LSTM Autoencoder

20

keras Why the return of predict and predict generator are different?

20

keras How to save Scikit-Learn-Keras Model into a Persistence File (pickle/hd5/json/yaml)

19

keras Error InvalidArgumentError: Incompatible shapes when using accuracy metric, sparse_categorical_crossentropy, and batch size > 1

19

keras MobileNet initialization fails for small input_shape

18

hydrogen Hydrogen not able to run code - "The system cannot find the path specified"

17

keras model_from_json() in keras.models does not work for custom layers

17

seaborn The solution of display chinese in seaborn plot

17

streamlit Grid layout

16

keras Keras update after single batch which exceeds the GPU memory

16

matplotlib ImportError: No module named artist

15

keras Is it the same adding weight decay to all the layers (including input and output layer) than adding the weight decay term to the cost function?

15

keras Errors when evaluating a tensor in custom loss function?

15

keras ImportError: cannot import name np_utils

14

pytorch lightning How to use multiple metric monitors in ModelCheckpoint callback?

14

superset How to use “email report”?

14

keras Is there a way to save and load GAN models without losing the optimizer state?

14

keras Issues in Keras model loading in Tensorflow Serving

14

keras Keras - how to use class_weight with 3D data

14

keras How to get trainable weights?

14

keras Evaluate_generator produces wrong accuracy scores?

14

scikit learn Speed issues in t-SNE

13

pytorch lightning How to log train and validation loss in the same figure ?

13

cookiecutter data science Integration with dvc

13

keras loading weights of a sequential model into a graph model

13

keras how to train a many to many sequence labeling using LSTM and BLSTM respectively?

13

keras FailedPreconditionError: lack of intialization of Keras variables when using with TensorFlow

13

keras Precision, Recall and f1 score for multiclass classification

13

matplotlib Installation on CentOS using pip in virtualenv

13

probability AttributeError: 'tuple' object has no attribute 'layer'

13

tflearn ImportError: cannot import name titanic

13

wowchemy hugo themes TOC for blog posts

12

pytorch lightning Cyclic learning rate finder as a part of Trainer

12

spaCy 💫 Train parser and NER with regression objective, to make scores express expected parse quality

12

keras RuntimeError: "Cannot clone object ..." when using sklearn.base.clone with BaseEstimator

12

keras Issue with BatchNormalization when used with load_weights

12

keras Input and target format for multidimentional time-series regression

12

keras Undefined output shape in Conv2DTranspose

12

matplotlib plt.plot() terminating with uncaught exception of type NSException

12

seaborn Is the markers parameter in scatterplot() not implemented?

12

scikit learn Handle missing values in OneHotEncoder

12

streamlit Feature request: confirm_button

11

pytorch lightning How to log by epoch for both training and validation on 1.0.0rc4 / 1.0.0rc5 / 1.0.0

11

pytorch lightning Cannot import pytorch-lightning-v0.5.3

11

superset Filters as a native dashboard (v2) construct

11

superset How to have multiple filters on dashboard affecting different charts?

11

dvc Dataset storage improvements

11

dvc [Feature Request?] dvc run ... without actually running?

11

keras Error when load model with h5 file

11

keras error in importing keras with theano

11

keras Writing a metric is not easy.

11

keras TypeError: can't pickle _thread.lock objects

11

scikit learn add support for groups in train_test_split

11

streamlit Display PDF (implement PDF viewer)

10

keras ImageDataGenerator flow function continue to increase the amount of memory usage

8

pytorch lightning Log training metrics for each epoch

8

ipython Add multiline coding in ipython 5 with --simple-prompt

8

keras Has LamdaMerge been removed from keras? How to implement a custom-defined merge mode currently?

8

keras rnn-How to get last output to feed into current input

8

keras Access epoch number inside custom loss function

7

keras Visualize LSTM gate activations

7

ludwig pandas.errors.ParserError: Error tokenizing data. C error: Expected 83 fields in line 40, saw 92

7

ray Known issues on Windows

6

pytorch lightning Single node DDP: "Default process group is not initialized"

6

spaCy 💫 Participating in CoNLL 2018 Universal Dependencies evaluation (Team spaCy?)

6

ipython Bring back readline capability?

6

keras CNN-LSTM with video frame sequence: InvalidArgumentError: You must feed a value for placeholder tensor

6

scikit learn GaussianProcessRegression Fitting problem on Scikit-learn 0.18

6

scikit learn malloc error with SVD

5

orange3 Cannot open on Mac os Big Sur (Mac os 11.0)

5

seaborn one kdeplot function error of seaborn

5

drake Within-target parallelism fails

5

scanpy Export expression matrix from h5ad

4

gensim numpy 1.19.2 incompatible with gensim 4.1.0

4

superset PyArrow broke the build on ARM platform [Regression]

4

spaCy How to get dependency tags/tree in a CoNLL-format?

4

dvc Model parameter tracking

4

dvc ARM architecture support

4

dvc Pushing artifacts via WebDAV results in a 411 Length Required response

4

dvc Not able to push data of dependencies to the remote

4

keras Loading frames to 3D CNN

4

keras update your dense call to the keras 2

4

nni model speedup problem using pytorch when multi-output passed across model

4

drake Reproducible remote data sources

4

scikit learn K-Means clustering performance improvements

3

pytorch lightning Hydra configs with multi GPU DDP training in Pytorch Lightning

3

pytorch lightning Model summarize displayed twice before training starts

3

pytorch lightning How to keep some LightningModule's parameters on cpu when using CUDA devices for training

3

pytorch lightning the self.log problem in validation_step()

3

pytorch lightning Does one need to reset Metrics during the end of epoch in Lightning 1.0.3

3

pytorch lightning CUDA OOM when initializing DDP

3

gensim Incoherent topic word distributions after malletmodel2ldamodel

3

superset docker-compose failed to build

3

ipython ipython 7.12.0 tab completion doesn't work with numpy and scipy, but with matplotlib

3

dvc Connecting to SSH remote with a custom port and a private key

3

danfojs Integrate with vue 3

3

hydrogen Multiple kernels inside one rich document

3

dtreeviz Warning: No loadimage plugin for "svg:cairo"

3

snorkel LabelModel produces equal probability for labeled data

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