Questions tagged [data-science]
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data-science
8,614
questions
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Which machine learning technique should I use to solve my sequence problem? [closed]
I have a set of data like the below:
Column A
Column B
Column C
Column D
Tom
Monday
Blue
0,3,20,36,80,98,100
Dan
Friday
Red
0,15,45,100
Sarah
Sunday
Red
0,6,31,91,100
Dan
Monday
Yellow
0,21,86,...
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0
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14
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Reinforcement Learning Model Predicts Minimum Action Value Throughout Training in Environment
Introduction:
I'm working on a dynamic pricing model using reinforcement learning with Stable Baselines3's PPO algorithm. The goal is to predict prices such that the reward is maximized when the ...
0
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0
answers
16
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The variance of the sum of 2 normal distributions is supposed to be the the sum of the individual variances, but why isn't it below?
Consider the python code below.
import statistics as s
m1,sigma1 = 100,20
m2,sigma2 = 70,20
n1,n2 = 100000,100000
d1 = s.NormalDist(mu = m1, sigma=sigma1)
d2 = s.NormalDist(mu = m2, sigma=sigma2)
...
0
votes
0
answers
20
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Do I need to 'shift' my new target variable in Time Series prediction?
When I have time series data but I don't want to predict the values of the series. Instead, I create a new target variable that gives me the direction (1 to represent an increase and 0 to represent a ...
0
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0
answers
16
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I want to go to save button and then save the data as excel file using selenium python. Any leads?
https://ceoelection.maharashtra.gov.in/SearchInfo/ListPSs.aspx
I want to save the data as a excel file automatically from this website. The floppy disk sign. Can some provide me the code. Here is the ...
-1
votes
1
answer
24
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Predicting customers at risk of default in an energy company using one-class classification? [closed]
I am working on a project where I need to predict customers who might default on payments (referred to as "icra" in Turkish) in an energy company. Currently, out of a total of 10 million ...
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0
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1
answer
38
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Stuck in handling incorrect input data on web app for model training
I am trying to add an exception feature in an ML project I am working on, I create a web app which accepts student performance data as a CSV file and then performs different machine learning ...
0
votes
1
answer
19
views
Trying to scavanage data using Selenium but save button isn't working
I am trying to save the booth addresses using Selenium for machine learning algorithms, but the save button is not getting clicked:
I tried all types of selectors, different methods, JavaScript, and ...
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0
answers
10
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How to save and parse selected features in tsfresh?
My question is, how to convert feature names (column names), resulted by tsfresh extract_features, to format, compatible with ComprehensiveFCParameters. Needs to do not apply select_features every ...
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Calculating correlations in Python data set of binary variables [closed]
I have a data sample that looks like the following:
ID Outcome Flags
1 Win 728,491,294,889,551
2 Lose 491,889,541,904
3 Lose 491,904,213,541
There could be hundreds of rows and there ...
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0
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0
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10
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TaskRun failed to finish due to an error for Coretex BioInformatics workflow
After starting bioinformatics workflow in Coretex, I am getting the following message even though data seems to be in order:
"Failed to determine which column contains sampleIDs/names..." ...
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0
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123
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error with to_list() function on first run (python)
I'm working on a sentiment analysis project related to gemini on google co.lab. one of the steps is where I isolate a column containing ios app reviews, transforming it into a list and cleaning it of ...
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0
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31
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How make a predictive Model to predict demands of different products [closed]
I am working on a supply chain problem where i need to predict how much material will be required in each quater to meet the demand .
For each product we know what operation needs to be performed in ...
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1
answer
45
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Which file type supports solving mixed-integer nonlinear program with Gurobi via pyomo
I am new to this and I have this MINLP I want to save the model in the file type such as MPS LP or nl and then open it in pyomo and solve via Gurobi but these file types only support MILP, so are ...
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Forecast Model and exog
I am currently working on a time series task related to predicting the AI demand in the market. I have already obtained the monthly percentage of AI jobs relative to total jobs from 2018 to 2023. I ...
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