Questions tagged [r]
For questions about implementation of Machine Learning and Artificial Intelligence algorithms in the R programming language.
9
questions
0
votes
1answer
20 views
Data analysis before feeding to ML pipeline
I'm new to machine learning and I've been working through a dataset of ~3000 records with ~100 features. I've been hand rolling Python and R scripts to analyse the data. For example, plotting the ...
1
vote
1answer
61 views
Why does my neural network to predict $x$ given $\sin(x)$ not generalize?
I made a simple feedforward neural network (FFNN) to predict $x$ from $\sin(x)$. It failed. Does it mean the model has overfitted? Why doesn't it work?
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0
votes
2answers
227 views
How to avoid over-fitting using early stopping when using R cross validation package caret
I have a data set with 36 rows and 9 columns. I am trying to make a model to predict the 9th column
I have tried modeling the data using a range of models using caret to perform cross-validation and ...
1
vote
0answers
20 views
1
vote
0answers
28 views
Keras correlation coefficient as network metric in R
does anyone know how to use the correlation coefficient or squared correlation coefficient as a metric in keras in R (although other languages may provide clues). This is for a CNN that functions ...
35
votes
8answers
16k views
Is a switch from R to Python worth it? [closed]
I just finished a 1-year Data Science master's program where we were taught R. I found that Python is more popular and has a larger community in AI.
What are the advantages that Python may have over R ...
2
votes
1answer
40 views
Machine learning to find drivers of an event with presence-only data (no absence)
I have some ecological data on the confirmed presence of a certain animal. I have data on the:
...
2
votes
2answers
285 views
Defining rules for an expert system
I'm doing a project for my last university examination but I'm having some troubles! I'm making an expert system who should be able to assemble a computer after asking some questions to the user. It ...
2
votes
1answer
148 views
Predict frequently purchased items under certain conditions with customer purchasing history data
I have purchasing history data for grocery shopping. I am trying to get abnormally frequently purchased items under certain conditions. For instance, I am trying to find frequently purchased items, ...
