Hello all,
I am trying to perform an ANOVA on some data in a data frame, but when
I try to use lm(), I get the following error:
Error in storage.mode(y) <- "double" :
invalid to change the storage mode of a factor
In addition: Warning message:
In model.response(mf, "numeric") :
using type="numeric" with a factor response will be ignored
Here is a subset of my data:
island_id refseq_better total refseq_proportion
fiveprime threeprime island_size
1a 29 57 0.508771929824561
11127 201378 190251
1c 27 90 0.3
6303879 6600994 297115
1d 33 115 0.28695652173913
7001283 7421591 420308
2b 11 42 0.261904761904762
4381375 4520137 138762
2d 27 81 0.333333333333333
5203929 5497271 293342
3a 44 141 0.312056737588652
28792 552044 523252
When I use sapply(dataframe,mode) to check the modes of the columns,
this is my output:
island_id refseq_better total refseq_proportion
"numeric" "numeric" "numeric" "numeric"
fiveprime threeprime island_size
"numeric" "numeric" "numeric"
How do I need to change the format of my data frame so that I do not
get the above error?
Thanks!
Alison Callahan
PhD candidate
Department of Biology
Carleton University
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