Simple Random Sampling, each cell has equal probability of inclusion $\pi_i = \frac{1}{N}$ where $N$ is total number of cells. No replacement. Notoriously not ideal for spatial sampling, but is included to be used as a baseline to compare to other methods.
Simple Random Sampling, each cell has equal probability of inclusion $\pi_i = \frac{1}{N}$ where $N$ is total number of cells. No replacement. Notoriously not ideal for spatial sampling, but is included to be used as a baseline to compare to other methods.