Category "modeling"

Error in as.vector(data) : no method for coercing this S4 class to a vector in R

I am trying to run volatility from GARCH model: Used libraries: source("TimeSeriesFunctions.R") library(PerformanceAnalytics) library(fGarch) library(MonteCa

error: 'predictions' contains NA while predict landuse change using glm model (lulcc package) in R

I made a prediction model for land use change using the lulcc package in R. Prediction was done using glm. When I did the glm.pred (the last line), there was an

How to voxelize a large .obj scene?

I need to voxelize a large scene ( over 500 x 500 x 500 ). Of course I tried MagicaVoxel but it has a limitation ( 126 x 126 x 126 ). Thank you in advance !

How to Represent System in UML?

We can use Subsystem element to show breakdown of systems in UML. And, we can group Components into Subsystems. But, is there a element to represent a system? S

How to Represent System in UML?

We can use Subsystem element to show breakdown of systems in UML. And, we can group Components into Subsystems. But, is there a element to represent a system? S

Correct implementation of SI, SIS, SIR models (python)

I have created some very basic implementations of the mentioned models. However, although graphs seem to look right, the numbers don't add up to a constant. Tha