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Plotless density estimation (ecology)
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| ``` r | |
| ## Simula 200 distancias | |
| set.seed(123) | |
| distancias <- runif(n = 200, min = 0.1, max = 10) | |
| mean(distancias) | |
| #> [1] 5.11328 | |
| ## Muestrea sólo 20 puntos | |
| di <- sample(distancias, size = 20) | |
| ## Con precisión de cm | |
| d.cm <- round(di, digits = 2) | |
| d.cm | |
| #> [1] 1.56 6.60 9.01 8.94 1.31 6.22 9.55 9.55 3.50 3.81 4.48 6.13 6.96 3.79 4.20 | |
| #> [16] 8.96 7.90 9.57 6.51 6.63 | |
| mean(d.cm) | |
| #> [1] 6.259 | |
| ## Con precisión de m | |
| d.m <- round(di, digits = 0) | |
| d.m | |
| #> [1] 2 7 9 9 1 6 10 10 4 4 4 6 7 4 4 9 8 10 7 7 | |
| mean(d.m) | |
| #> [1] 6.4 | |
| ## Cálculo de densidades | |
| densidad.cm <- 10000 / ((2 * mean(d.cm))^2) | |
| densidad.cm | |
| #> [1] 63.81608 | |
| densidad.m <- 10000 / ((2 * mean(d.m))^2) | |
| densidad.m | |
| #> [1] 61.03516 | |
| densidad.real <- 10000 / ((2 * mean(distancias))^2) | |
| densidad.real | |
| #> [1] 95.61826 | |
| ``` | |
| <sup>Created on 2026-03-04 with [reprex v2.1.1](https://reprex.tidyverse.org)</sup> |
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