Using categorical variables

More Daniel Wanjiru's questions See All

Epi data software?

hello, please someone help me with a link where i can teach myself epi data software thank you.

02 March 2017 4,661 0 View

Please help me with the procedure of testing two regression slope?

the following question is from regression slope

02 March 2016 2,370 4 View

Hello,Is there a site that is offering free online training of Statistical Package for Social Science your help will be highly appreciated thanks?

have a passion in teaching my self SPSS,

01 February 2016 4,409 4 View

Is there an alternative to a multinomial regression which allows the DV to be non mutually exclusive?

I am trying to analyse data from a survey examining what variables affect teachers perceived barriers to incorporating technology into their classroom. I have 5 predictor variables however my DV...

06 August 2024 1,752 3 View

In order to run Multinomial Logistic Regression, is it required that the data be in the long format?

I am using unit level data (IHDS round 2) & Stata 17

06 August 2024 5,725 2 View

Normality assumption for linear regression is The assumption of normality is whether for residual errors or predictor variavble?

When we conduct linear regression, there are several assumptions. The assumption of normality is whether the residual errors are normally distributed, not whether a predictor is normal?

31 July 2024 6,164 3 View

Is it redundant to use both Random Forest and Decision Tree algorithms in the same regression project?

I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...

23 July 2024 4,306 3 View

How to Select the most suitable machine learning algorithm depending on the characteristics of the given dataset ?

I'm working on a project that involves analyzing a new dataset, and I'm at the stage of selecting the most appropriate machine learning algorithm. The dataset consists of both numerical and...

22 July 2024 6,097 7 View

How can the resilience of agricultural systems be improved by both gradual climate change and increased climatic variability and extremes?

17 July 2024 3,681 3 View

If in a panel data, T>N then which model is appropriate ?

In my data set, T is greater than N, so I chose quantile regression for my data set. So is it appropriate for that?

15 July 2024 6,416 4 View

What are the problems we face when we directly inverse a multivariate regression equation?

Why direct inversion of mutivariate regression equation is not preferred and instead optimization techniques are used?

15 July 2024 8,642 3 View

How to interpret a Low R squared and negativ adj. R on my fixed effects panel analysis?

Hi guys, in the context of my master thesis i analyze the statistical relationship between income and subjective well-being (Panel: SOEP, n: 300.000 observations over 10 years). After creating a...

13 July 2024 7,539 6 View

How can I merge two power regression curves into a single graph in SPSS 25?

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Raid Amin

This is material that gets you started in learning how to use dummy variables in regression.

http://www.stat.umn.edu/geyer/5102/examp/dummy.html

Faye Anderson

http://stats.idre.ucla.edu/other/examples/icda/

Georgios Kotsakis

Daniel,

If you clarify a bit on whether you need to use it as a dependent or independent variable and maybe provide more info on the model you want to use you may be able to get a more complete answer.

Good luck