Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 40

Can an entire data frame be used as a prediction variable?

I am attempting to use XGBoost in R to train a model that predicts a fixed number of target variables using all data from previous dates, as well as the...

Asked on 08/31/2021 by Michael Pyle

2 answer

Is Python a viable language to do statistical analysis in?

I originally came from R, but Python seems to be the more common language these days. Ideally, I would do all my coding in Python as the syntax is...

Asked on 08/31/2021

7 answer

Comparing Dataset - Should I use the same Test dataset?

I am training ML CNN model. I want to compare different images dataset. The dataset all have different characteristics (Translated or not, Rotated or not, etc.). I do not modify...

Asked on 08/31/2021 by Mathieu Châteauvert

1 answer

Analysis for basic weight training analysis?

TL;DR: I'm doing a fairly basic project which involves exercise. It seems that descriptive statistics and basic data vis (ex: line graph) would be most appropriate for this project, but...

Asked on 08/30/2021 by stevemn

1 answer

Does it make sense to build a ROC for a decision tree where there are multiple threshold you can adjust?

I understand building a ROC curve when the output is a probability, say, from a logistic regression model. You can build a ROC curve by varying the cutoff threshold. But...

Asked on 08/30/2021

1 answer

Machine learning detect changes in components

I am a student who will finish my studies next year and I want to analyze the job market in advance. I have found an interesting job where it says:The...

Asked on 08/30/2021

2 answer

How is the output of a maxpool layer window size=1x2 and stride=2 calculated?

I'm looking at the architecture proposed in the following paper: Baoguang Shi et al, An End-to-End Trainable Neural Network for Image-based SequenceRecognition and Its Application to...

Asked on 08/30/2021 by John T. Copeland

1 answer

Generating the right target for an LSTM model

Trying to explain my question on a simplified data set.Having the following dataset: day f1 f20 0 ...

Asked on 08/30/2021 by Shlomi Schwartz

1 answer

Choose points to maximize volume of convex hull

Suppose I have N points (labeled 1, 2, ..., k, ..., N) in D dimensions. I'd like to choose the order of points such that, after each point, the volume...

Asked on 08/30/2021 by BenDundee

1 answer

what is the difference in terms namely Correlation, correlated and collinearity?

A website says Correlation refers to an increase/decrease in a dependent variable with an increase/decrease in an independent variable. Collinearity refers to two or more independent variables acting in concert...

Asked on 08/30/2021

2 answer

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