All Questions
Tagged with linear-regressiontime-series
38 questions
-1votes
1answer
145views
Why linear regression doing not so well with respect to walk-forward validation?
I followed from this question1,question2. I have the following task to do: I have time series data. Training by the consecutive 3 days to predict the each 4th day. Each day data represents one CSV ...
- 105
0votes
0answers
30views
Linear Regression with coefficients coming from LightGBM
I was wondering if anyone has tried to use a LightGBM to estimate the alpha and beta of a linear regression model. I am looking into this because I am seeking an interpretable model. A direct lgbm ...
- 101
4votes
1answer
566views
Why linear regression doing well in time series data?
I followed from this question. I have the following task to do: I have time series data. Training by the consecutive 3 days to predict the each 4th day. Each day data represents one CSV file which ...
- 105
0votes
0answers
20views
Should you seasonally decompose TS data before linear regression?
I want to apply the U-MIDAS method which is basically Least Square regression to a cross sectioned time series. Do I need to seasonally decompose my X and Y and should I test for unit root? Some of ...
- 31
0votes
1answer
47views
What are some Models/Methods to reduce noise using environmental data?
I have a set of pressure datasets from a mechanical device that frequently moves around the country. I also have several sets of environmental data (Altitude, ambient temperature etc.) from those ...
0votes
1answer
33views
Help me identify the type of plot and the relationship between the dependent variables
Question: I am not sure how to describe the sample graph attached. Can you please help me identify the type of plot and how to statistically measure the relationship between the dependent variable (Y-...
0votes
1answer
60views
using forecast values from a univariate model as Input to linear regression?
I have weekly time series data for the last 2 years with variables "week", "marketing_spend", "web_traffic", and "revenue" ...
- 101
0votes
1answer
104views
Day number as a feature in Linear regression
Goal - To train a Linear regression model for climatic studies. Planned features: - Temperatures, Latitude, Longitude, Day Number (1st February = 32) Would it be correct to include day number like ...
0votes
0answers
40views
linear regression - at future time points
I have a dataset of customer transactions containing revenue, customer id, region, product category, product id, support team, date of transaction etc. The data ranges from Jan 2017 to Nov 2nd 2022. ...
- 2,715
0votes
2answers
58views
Tensorflow - do I need to learn computer vision before linear (timeseries) regression?
I'm a newbie to tensorflow / keras and I am currently working my way through Deep Learning with Python (2nd edition) by Francois Chollet. I understand the basics of Computer vision and the MNIST ...
1vote
0answers
132views
Linear Regression on Time Series
I have a csv file containing values of X and Y variables. i have been asked to use this to build a linear regression model that can predict the current value of the variable 𝑋 based on its previous ...
1vote
0answers
796views
How to Incorporate Upward Trend into XGBoost Time Series Forecasting
I'm working with an XGBoost XGBRegressor model right now, attempting to utilize it to predict time-series forecasted data. My dataset is not publicly available, so I will use general terms to describe ...
- 11
3votes
2answers
824views
Why do we don't write units with MAE or RSME for regression problem ? If I wish to write the units when how do I identify the units for them?
I have referred many research paper but no one is talking about the units of the metrics. Do MAE , RMSE etc have some units ?
0votes
1answer
185views
Is there a way to forecast a time series multiple linear regression using externally made dummy variables?
This question concerns question 4h of this textbook exercise. It asks to make future predictions based on a chosen TSLM model which involves an endogenously (if i'm using this right) made dummy ...
- 21
1vote
0answers
20views
