Hi,
I have a dataset called 'fish'. fish$Species returns extract 1. When I use
fish$Species != c("CRA","PHC"), i.e. I want all species except "CRA" and
"PHC", I get extract 2 which is blatantly wrong. Can anyone see what I'm
doing wrong?
Regards,
James
EXTRACT 1
> fish$Species
[1] ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ALB ATO
ATO
[19] ATO ATO ATO ATO ATO ATO BIG BIG BIG BIG BIG BIG BIG BIG BIG BIG BIG
BIG
[37] BIG BIG BWS BWS BWS BWS BWS BWS BWS BWS BWS BWS BWS BWS BWS BWS BWS
CRA
[55] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[73] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[91] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[109] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[127] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[145] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[163] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[181] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[199] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[217] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[235] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[253] CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA CRA
CRA
[271] CRA CRA CRA CRA CRA CRA CRA CRA MAK MAK MAK MAK MAK MAK MAK MAK MAK
MAK
[289] MAK MAK MAK MAK MAK MOO MOO MOO MOO MOO MOO MOO MOO MOO MOO MOO MOO
MOO
[307] MOO MOO PHC PHC PHC PHC PHC PHC PHC PHC PHC PHC PHC PHC PHC PHC PHC
PHC
[325] PHC PHC PHC POS POS POS POS POS POS POS POS POS POS POS PTO PTO PTO
PTO
[343] PTO PTO PTO PTO PTO PTO PTO PTO PTO PTO PTO RBM RBM RBM RBM RBM RBM
RBM
[361] RBM RBM RBM RBM RBM RBM RBM RBM SKJ SKJ SKJ SKJ SKJ SKJ SKJ SKJ SKJ
SKJ
[379] SKJ SKJ SKJ SKJ SKJ STM STM STM STM STM STM STM STM STN STN STN STN
STN
[397] STN STN STN STN STN STN STN STN STN STN STN STN STN STN STN STN STN
STN
[415] SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO SWO TOR
TOR
[433] TOR TOR TOR TOR TOR TOR YFN YFN YFN YFN YFN YFN YFN YFN YFN YFN YFN
YFN
[451] YFN YFN YFN YFN
17 Levels: ALB ATO BIG BWS CRA MAK MOO PHC POS PTO RBM SKJ STM STN SWO ...
YFN
EXTRACT 2
> fish$Species != c("CRA","PHC")
[1] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[13] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[25] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[37] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[49] TRUE TRUE TRUE TRUE TRUE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[61] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[73] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[85] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[97] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[109] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[121] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[133] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[145] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[157] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[169] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[181] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[193] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[205] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[217] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[229] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[241] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[253] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[265] FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE
TRUE
[277] FALSE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[289] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[301] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE FALSE TRUE
FALSE
[313] TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE FALSE TRUE
FALSE
[325] TRUE FALSE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[337] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[349] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[361] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[373] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[385] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[397] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[409] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[421] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[433] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
TRUE
[445] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
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