Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 30413

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 votes

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 …
John Paul's user avatar
  • 243
14 votes
1 answer
3k views

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 * --- 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) …
John Paul's user avatar
  • 243