Jhedy Amores

5 Questions 7 Answers 0 Followers

Questions related from Jhedy Amores

High resolution worldwide satellite imagery?

Are there any online sources for high-resolution (~1m or less, preferrably less) worldwide imagery? Paid data are fine, I just need sources. Thank you very much!

19 September 2018 8,757 3 View

How to check discrete data for similarity (How to statistically compare discrete data)?

Suppose you have a set of point data which contains two variables (say var1 and var2), both of which have discrete values (say 1, 2, and 3). You try to map them (see attached files var1.jpeg and...

27 September 2017 7,008 2 View

Why is there a discrepancy in my weka J48 decision tree and attribute selector?

I understand that weka's J48 uses Gain Ratio as a method in determining how to split the tree, but when I compare the first attribute in the attribute ranking and the attribute by which my...

01 February 2017 5,103 2 View

How to calculate Chemical Index of Alteration and other weathering indices?

I'm quite confused about the calculation of the CIA or the Chemical Index of Alteration (same with the other weathering indices). Would the weight percent do for the calculation? Or is the...

23 January 2017 344 14 View

How do I add XY data to a DAT file?

I have a DAT file with no XY coordinates, just the value field (see attached DAT file). Suppose I was given the boundaries of the DAT file, as well as the supposed resolution (say 20m), how do I...

23 September 2016 1,163 3 View