Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 13

Handling features with multiple values per instance in Python for Machine Learning model

I have a dataset which contains medical data about children and I am developing a predictive machine learning model to predict adverse pregnancy outcomes. The dataset contains mostly features with...

Asked on 11/25/2021

1 answer

Back propagation through a simple convolutional neural network

Hi I am working on a simple convolution neural network (image attached below). The input image is 5x5, the kernel is 2x2 and it undergoes a ReLU activation function. After...

Asked on 11/25/2021

1 answer

What is the best to identify the proper hierarchy of this data?

So I worked on a hierarchical clustering algorithm to be able to determine which items are most similar, and what attributes are most important. I have two tables: Table 1:...

Asked on 11/22/2021

1 answer

Time series normalization using min max technique

I have a time series dataset and I would like to normalize the data (diff which is of type list) as below using Min Max technique. But, I get the...

Asked on 11/22/2021

2 answer

Which performs better in time series forecasting, LSTM or SVR?

I have run LSTM and SVR models on various datasets having sample values in the range of 1-4000 and the MAPE obtained in SVR was consistently lesser than that obtained...

Asked on 11/22/2021

2 answer

Interpreting the results based on Granger Causality test

I am trying to use Granger Causality test: https://www.statsmodels.org/stable/generated/statsmodels.tsa.stattools.grangercausalitytests.html to assess whether "positivity score" affects value. Here is the code I am using:# Applying differencingcondensed_df['value']...

Asked on 11/22/2021

1 answer

ValueError: ('The truth value of a Series is ambiguous after applying if/else condition in Pandas data frames

I want to create a new variable for the dataframe details called lower after iterating through multiple data frames.list1 is a list of string values of a column named variable_name...

Asked on 11/22/2021

1 answer

Magenta MusicVAE/GrooVAE conditioning

I want to try different methods of conditioning the decoding process of the Variational Autoencoder Models of the Google Magenta project for my own research project. As far as I...

Asked on 11/22/2021

0 answer

Knowledge Graph as an input to a neural network

I want to create a neural network that takes as an input a knolwedge subgraph(different types of nodes and different types of edges) to predict some properties. For instance an...

Asked on 11/22/2021

1 answer

Pandas copy() different columns from different dataframes to a new dataframe

I have 2 dataframes that are coming from 2 different Excel files. I want to extract some columns from one file and other columns from the second file to print...

Asked on 11/22/2021

1 answer

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