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Use this tag for any *on-topic* question that (a) involves `R` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `R`.
0
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Determining an optimum and distribution range from species abundance vs environmental gradie...
I assume by distribution you mean the range of mud where at least 1 individual of a species occurs. If so than for the distribution range use
range(df$mud[df$abundance>0])
I don't know if you have …
14
votes
1
answer
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Why do lm and biglm in R give different p-values for the same data?
3.491 0.0732 .
x -1.3800 0.3191 -4.325 0.0495 *
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Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 0.7134 on 2 degrees of freedom
Multiple R-squared … : 0.9034, Adjusted R-squared: 0.8551
F-statistic: 18.71 on 1 and 2 DF, p-value: 0.04952
Now, try the same thing with biglm from the biglm package:
XX<-biglm(y~x, data=MyDf)
print(summary(XX) …