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Data Science : Recent Questions and Answers (Page 20)

Find answers to your questions about Data Science or help others by answering their Data Science questions.

Celsius to Fahrenheit conversion simple Neural Network

This common example is a simple way to dabble into the most basic neural network (i.e. two neurons, one input and one output). I have been playing around with this...

Asked on 10/03/2021

1 answer

Consolidating multivariate time-series information from many data sets

I am having trouble setting up a problem with regards to time series analysis. I have 30 data sets, where each set corresponds to a certain project. Each project has...

Asked on 10/03/2021 by Domenic Prestia

2 answer

metric accuracy for linear regression and non linear regression

Is there a one size fit all metric to measure accuracy / error rate for both linear or non linear regression models? For example adjust R2 is only for multi...

Asked on 10/03/2021 by grim_reaper

1 answer

Create an RNN on text sources with different lengths

I want to create an RNN to generate a new text based on many examples of existing texts of a certain format in the training data.The type of texts...

Asked on 10/03/2021 by gruffaren

1 answer

Tools for nutritional value tracking and visualization

I want to track the nutritional value of different flours over time. What I got so far is adata table like this:|------------|------------|------------|------------|| Flour ...

Asked on 10/03/2021 by nyoung4

2 answer

i'm using GridSearchCV to find parameter C for SVC() classifier present in sklearn.svm . I'm not getting the optimal result desired

this is a screenshot of my code. i used abc.best_estimator_ (my GridSearchCV model) to find out best results. As you can see grid...

Asked on 10/03/2021 by yash khanna

2 answer

Keras OOM for data validation using GPU

I'm trying to run a deep model using GPU and seems Keras running the validation against the whole validation data set in one batch instead of validating in many batches...

Asked on 10/03/2021 by Yassir

2 answer

Validation data for multi-series stateful LSTM

With stateful LSTM the network state is propagated to subsequent sequences and batches. I have multiple data files with data that I present to the network for training (making this...

Asked on 10/03/2021

1 answer

Does stronger regularization always improve performance on testing set?

I am using the Sklearn logistic regression function to do a binary classification task on texts. I did the task using three different inputs: Bag-Of-Words, TF-IDF, Doc2vec embeddings. The question...

Asked on 10/03/2021

1 answer

setting class weights for imbalanced dataset, how using EarlyStopping?

I want to train a CNN with Early Stopping (Keras).The data set is imbalanced, so I have set class_weights to 'balanced' like follows:class_weights=class_weight.comput_class_weight('balanced', np.unique(y_train),y_train)I would like also use...

Asked on 10/02/2021

1 answer

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