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Does exist any tool in R to solve equations, especially complex exponential equations? For example: y = 100*exp(b*(1-exp(c*x))/c) If it is so, then what is the package i have to use and what is...
I have the data arranged in table (in Excel, or Notepad): x y 0 100 2 100 4 80 6 40 8 0 I need to transfer these data in R file and then going to operate with x and...
I have the data: for x: 2, 8, 14, 20, 26, 32, 38, 44, 50, 56, 62, 68, 74, for y: 100, 99, 99, 98, 97, 94, 82, 66, 48, 38, 22, 10, 1. y depends on x by equation...
How I can obtain graphics for response surface design, basing on data: x: 0.25, 1, 4, 10, 20. y: 0, 0.5, 1 z1 (for y = 0): 45, 35, 25, 15, 10. z2 (for y = 0.5): 50, 45...
I have two types of survival data for Drosophila cohort. For example: uncensored > age <- c (0, 2, 4, 6, 8, 10) > alive1 <- c(10, 9, 6, 3, 1, 0) > alive 2 <- c(10, 9, 4, 1, 1, 0) and censored...
Dear R developers,How I can build a histogram from matrix: 0 0.5 1 0.25 34 43 65 1 23 35 54 4 22 29 42 10 21 22 29 20 15 17 20 (first string is represented...
Dear developers of R-project, I have such data height of male persons 181, 178, 182, 160, 187, 193, 184, 184, 175, 178, 184, 184, 174, 185, 175 height of female persons 164, 165, 160, 174, 167, 161, 164, 165...
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