Hi everybody.
I want to draw an abundance rank diagram but I'm getting some warnings
(bellow) when I run the radfit() comand of vegan package. I'll be very
grateful is someone can help me. I'm using the following data and commands:

fevc=c(2,1,2,57,1,24,6,7,6,2,155,155,140)
> rad=radfit(fevc)
Houve 20 avisos (use warnings() para vê-los)

> warnings()
Mensagens de aviso:
1: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
2: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
3: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
4: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
5: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
6: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
7: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
8: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
9: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
10: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
11: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
12: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
13: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
14: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
15: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
16: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
17: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
18: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
19: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge
20: In glm.fit(x = X, y = Y, weights = weights, start = start,  ... :
  algorithm did not converge

Thanks in advance,

-- 
Conrado Galdino
--

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