Running examples in ‘florestal-Ex.R’ failed
The error most likely occurred in:

> ### Name: ace
> ### Title: Stratified Casual Sampling and Phytosociological Parameters
> ### Aliases: ace
> ### Keywords: manip utilities
> 
> ### ** Examples
> 
> library(florestal)
> 
> #loads the data
> data("est2")
> head(est2)
  Stratum Plot Individual                  Specie h (m)   d (cm) Volume (m3)
1       1    1          1    Cariocar braziliense    10 17.26992   0.1513510
2       1    1          2        Qualya parvifora    14 17.00000   0.1610248
3       1    1          3       Magonia pubescens    12 19.00000   0.2024769
4       1    1          4 Stenocalyx dysentericus    13 16.00000   0.1355392
5       1    1          5      Solanum lycocarpum    12 15.00000   0.1127862
6       1    1          6 Stenocalyx dysentericus    10 15.00000   0.1067825
> 
> #Calculate the sampling parameters
> 
> IF_ace <- ace(est2,a=0.1,aj=c(12.6,10.2))

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A intensidade amostral nao satisfaz o erro requerido de 10%, para um nivel de significancia de 5%.

 Portanto, e necessario amostrar mais 14 parcelas.

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Ha diferenca significativa entre as medias dos estratos.

Teste de Tukey para diferenca significativa entre estratos, a 95% de confianca:
         diff         lwr        upr      p adj
2-1 0.0188276 0.003123183 0.03453202 0.01922062
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Calls: ace ... <Anonymous> -> widthDetails -> widthDetails.text -> grid.Call
Execution halted