Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 220

Multidimensional scaling producing different results for different seeds

I took the data from here and wanted to play around with multidimensional scaling with this data. The data looks like this: ...

Asked on 02/11/2021

2 answer

Anomaly detection - relation between thresholds and anomalies

I'm developing an anomaly detection program in Python. Main idea is to create a new LSTM model every day, training it with the previous 7 days and predict the...

Asked on 02/11/2021 by Giordano

1 answer

Causes of inconsistent results with neural network?

I've created my own neural network in python. I am tracking the performance of each run. What are some things I can investigate when my performance results are inconsistent? When...

Asked on 02/11/2021

2 answer

Is there a straightforward way to run pandas.DataFrame.isin in parallel?

I have a modeling and scoring program that makes heavy use of the DataFrame.isin function of pandas, searching through lists of facebook "like" records of individual users for each of...

Asked on 02/11/2021 by Therriault

4 answer

Evaluation of regression models with different evaluations (MSE, variance, VAF etc.)

When comparing several regression models in terms of quality, it seems like most have agreed on the MSE.There are also papers comparing "variance" and "variance accounted for (VAF)".However,...

Asked on 02/10/2021 by MerklT

1 answer

LSTM / GRU weights during test time

I am working on a historic time series dataset and using RNN, LSTM, GRU models, and I didn't find an answer if in test time, the h (or h, c)...

Asked on 02/10/2021 by Yuval Asher

1 answer

Keras generator Function

I am trying to write a batch generator function so that I can train my Keras model using it but I don't know from where to start. Does anyone have...

Asked on 02/10/2021 by Yosra Griri

1 answer

scikit-learn classifier reset in loop

I'm trying to evaluate classifiers comparison by running the sample script that can be found here. What I noticed is that in some cases the classifier is...

Asked on 02/10/2021 by Mattia Colombo

1 answer

Statistical significance test in deep learning for regression problems

I was reading the tutorial "Statistical Significance Test for comparing ML algorithms", where it suggests to use k-fold and apply the appropriate statistical test. Suppose that I have a train...

Asked on 02/10/2021 by Jorge Amaral

1 answer

How do I print full date in the x axis of the line plot here?

My code:import matplotlib.pyplot as pltplt.style.use('ggplot')plt.rcParams["figure.figsize"] = [12,6]def time_series(start, end): time_series_df = df[['Date', 'Value']][(df['Date'] >= start) &...

Asked on 02/10/2021

1 answer

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