Data Science

Self-Learner

 Self-Learner
Answer your own question with score of 3 or more.
Awarded 169 times.
Can I use the test dataset to select a model?
Awarded Dec 1 at 6:56
including Zeros counts categories with pandas value_counts()
Awarded Oct 3 at 0:46
Why SMOTE is not used in prize-winning Kaggle solutions?
Awarded Aug 31 at 8:07
How can I calculate mean and variance incrementally?
Awarded Jul 20 at 22:25
Timeseries (InfluxDB): How to deal with missing data?
Awarded Jul 8 at 9:17
How to remove the hotspots from given image by using Python and opencv?
Awarded Jun 7 at 8:06
Tensorflow gradient returns nan or Inf
Awarded Apr 28 at 14:21
What should be the labels for subword tokens in BERT for NER task?
Awarded Apr 28 at 9:41
Different results between ImageDataGenerator and model.predict in Tensorflow
Awarded Mar 14 at 8:56
Would adding Elastic Net as an additional Benchmark add any value when LASSO is already an included benchmark?
Awarded Mar 2 at 22:18
How can I perform weighted addition of three layers in keras?
Awarded Feb 19 at 22:17
How can I best plot a dataset to visualize the tradeoff between two or more metrics combined?
Awarded Feb 17 at 3:33
How do I change the marker edge color of a seaborn relplot?
Awarded Feb 10 at 20:26
Split a tensoflow model into two parts
Awarded Jan 31 at 1:30
What is the difference between TDNN and CNN?
Awarded Jan 26 at 15:40
Using class weights in Keras with multiple binary outputs which are not simply one-hot-encoded
Awarded Dec 21, 2022 at 22:27
Why does SciKit-Learn's OneHotEncoder take so long on a Large Dataset?
Awarded Nov 30, 2022 at 4:10
ValueError: No gradients provided for any variable
Awarded Oct 6, 2022 at 8:10
PicklingError: Could not serialize object: TypeError: can't pickle fasttext_pybind.fasttext objects
Awarded Aug 30, 2022 at 16:04
Tweedie Loss for Keras
Awarded Aug 27, 2022 at 11:55
Fast, efficient way to zoom/pan scatterplot with mouseover data
Awarded Aug 25, 2022 at 6:02
Which database to use for storing machine learning data?
Awarded Aug 22, 2022 at 22:11
Custom loss function with multiple outputs in tensorflow
Awarded Jul 1, 2022 at 8:41
XGboost Classifier predicits different results for same samples depending on test dataset size
Awarded Jun 15, 2022 at 1:27
What is the difference between Freidman mse and mse?
Awarded May 16, 2022 at 15:35
Large negative R2 or accuracy scores for random forest with GridSearchCV but not train_test_split
Awarded Apr 14, 2022 at 13:06
What is difference between transductive and inductive in GNN?
Awarded Mar 22, 2022 at 9:36
Uncertainty about shape of ROC curve
Awarded Feb 28, 2022 at 11:36
How to sort list by parameter in python?
Awarded Feb 17, 2022 at 15:32
LSTM followed by Dense Layer in Keras
Awarded Feb 2, 2022 at 10:26
Flair Embeddings - Significance of Backwards vs Forwards?
Awarded Feb 1, 2022 at 10:46
Xgboost - How to use feature_importances_ with XGBRegressor()?
Awarded Nov 23, 2021 at 13:49
Is ImageNet 1k a subset of ImageNet 22k
Awarded Oct 18, 2021 at 22:43
PyTorch: How to use pytorch pretrained for single channel image
Awarded Sep 1, 2021 at 9:07
Perform several different torchvision.transforms on ImageFolder object
Awarded Aug 4, 2021 at 4:48
What does embedding mean in machine learning?
Awarded Jul 30, 2021 at 9:15
What's the point of the test set?
Awarded Jul 1, 2021 at 9:51
ValueError: shapes (1,10) and (2,) not aligned: 10 (dim 1) != 2 (dim 0)
Awarded Jun 30, 2021 at 8:32
How to setup and run Conda on Google Colab
Awarded May 24, 2021 at 20:48
value error of incompatible wrong dimension during training a model
Awarded May 12, 2021 at 18:21
When do you use FunctionTransformer instead of .apply()?
Awarded May 2, 2021 at 1:53
DC GAN with Batch Normalization not working
Awarded Mar 18, 2021 at 8:40
Incremental Learning with sklearn: warm_start, partial_fit(), fit()
Awarded Mar 17, 2021 at 20:12
How to apply class weight to a multi-output model?
Awarded Mar 15, 2021 at 15:36
Find the consecutive zeros in a DataFrame and do a conditional replacement
Awarded Feb 17, 2021 at 19:40
Training Accuracy stuck in Keras
Awarded Feb 16, 2021 at 12:40
Pandas dataframe with multiple hierarchical indices
Awarded Feb 4, 2021 at 14:21
Value Error: Operands could not be broadcast together with shapes - LSTM
Awarded Jan 20, 2021 at 1:28
Efficient dimensionality reduction for large dataset
Awarded Jan 18, 2021 at 18:17
keras model only predicts one class for all the test images
Awarded Dec 11, 2020 at 18:28
Loading collections of datasets - Python code examples
Awarded Oct 29, 2020 at 13:56
Export pandas dataframe to a nested dictionary from multiple columns
Awarded Oct 9, 2020 at 18:41
Cost-sensitive Logloss for XGBoost
Awarded Sep 9, 2020 at 8:12
How do I read the cord_19_embeddings_2020-07-16.csv from the COVID-19 Open Research Dataset Challenge (CORD-19) on Kaggle?
Awarded Sep 1, 2020 at 18:03
Why `max_features=n_features` does not make the Random Forest independent of number of trees?
Awarded Jul 27, 2020 at 15:19
How do I get the name of Sagemaker Estimator's job
Awarded Jul 27, 2020 at 14:57
Multi-country model or single model
Awarded Jul 23, 2020 at 16:41
Pandas apply return: Must have equal len keys and value when setting with an iterable
Awarded Jul 15, 2020 at 15:41
how to pass parameters over sklearn pipeline's stages?
Awarded Jun 15, 2020 at 10:26
How to correctly apply the same data transformation , used on the training dataset , on real data in a webservice?
Awarded May 22, 2020 at 10:47
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