Nima Karimi

6 Questions 22 Answers 0 Followers

Questions related from Nima Karimi

What are the effect of data spread on Random Forest model performance?

Since I am using the Random Forest model in R to predict LST (land surface temperature) from actual LST, I realized that model performance is better in lower Average LSTs, thus I wanted to extract...

15 October 2020 9,453 2 View

What is the major meaning of PCs in Principal Component Analysis?

I am using PCA to extract major meaningful data from many different parameters that are embedded in my remote sensing satellite imagery. I know that PCA is a dimension reduction model and the...

14 September 2020 7,797 7 View

Is there any specific Proportion for training and testing set for remote sensing images?

Can I use one Sentinel image for training my model and another one for testing? Since i have two or three images, I wanted to use one or two image for training and the rest for test. However, I...

21 August 2020 9,182 6 View

How can I accurately assess forest health with predefined indicators?

I want to assess the health level of forest cover and detect the most vulnerable sites for better management purposes. I am using machine learning tools and remote sensing imagery to detect,...

23 July 2020 7,823 4 View

How can I estimate the maximum number of tree in my random forest model as a machine learning tool?

Recently I am using a random forest model to estimate remote sensing surface temperature. assume that I have 15 independent variables and I pick up 5 out of this in every individual turn. so the...

07 May 2020 2,078 0 View

What is the best type of classification(clustering method)?

Currently, I am using SENTINEL2 satellite images in finding the spectral signature of a phenomenon in my study area, therefore I want to use a supervised classification method that specifically...

05 April 2020 5,075 11 View