Hi!, I'm looking help for this question.
I have the following matrix.
t n 0 10000 10 8812 20 7763 30 6841 40 5998 50 5309 60 4669 70 4138 80 3656 90 3235 100 2870
¿How can I apply the following equation?
Please, help!
Are the data in a matrix or data frame? If in a data.frame:
library(dplyr) df <- df %>% mutate(x = (n - lead(n))/((lead(t) - t) * n))
If it's a matrix put as.data.frame before mutate
as.data.frame
mutate
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