# Data Mining - Global vs Local

Global refers to calculation that are made over the whole data set whereas local refers to calculations that are made local to a point or a partition.

• Two dimension: $1^2 - 0.9^2 = 1 - 0.81 = 0.19 = 19\%$
• Ten dimensions: $1^{10} - 0.9^{10} = 1 - 0.35 = 0.65 = 65\%$