Hi Hadley et all,

I am struggling with reshape2 and melt works and melt_check 
(filtered151) seems fine

My cast command was acast (filtered151, Time ~ Species ~ Number)

 > melt_check (filtered151)
Using time, Species as id variables
$id
[1] "time"    "Species"

$measure
[1] "Number"

When I execute cast the data matrix is in the correct order but the data 
values are not included.
Clearly I am missing something.  I expected / need to have the column 
values to  = the values from the input data set for each time block.

     Morbla Ptemac Ptepar Ptequa
0:00       0      0      0      0
0:15       0      0      0      0
0:30       0      0      0      0
0:45       0      0      0      0
1:00       0      0      0      0
1:15       0      0      0      0
1:30       0      0      0      0
1:45       0      0      0      0
18:45      0      0      0      0
19:00      0      0      0      0
19:15      0      0      0      0
19:30      0      0      0      0
19:45      0      0      0      0
2:00       0      0      0      0
2:15       0      0      0      0
2:30       0      0      0      0
2:45       0      0      0      0
20:00      0      0      0      1
20:15      0      0      0      0
20:30      0      0      0      0
20:45      0      0      0      0
21:00      0      0      0      0
21:15      0      0      0      0
21:30      0      0      0      0
21:45      0      0      0      0
22:00      0      0      0      0
22:15      0      0      0      0
22:30      0      0      0      0
22:45      0      0      0      0
23:00      0      0      0      0
23:15      0      0      0      0
23:30      0      0      0      0
23:45      0      0      0      0
3:00       0      0      0      0
3:15       0      0      0      0
3:30       0      0      0      0
3:45       0      0      0      0
4:00       0      0      0      0
4:15       0      0      0      0
4:30       0      0      0      0
4:45       0      0      0      0
5:00       0      0      0      0
5:15       0      0      0      0
5:30       0      0      0      0
5:45       0      0      0      0
6:00       0      0      0      0
6:15       0      0      0      0
6:30       0      0      0      0
6:45       0      0      0      0
7:00       0      0      0      0


Data is in long format like this:

Time 	Label 	Number
0:00 	Morbla 	2
0:00 	Ptemac 	27
0:00 	Ptequa 	21
0:00 	Ptequa 	1
0:15 	Morbla 	3
0:15 	Morbla 	1
0:15 	Ptemac 	18
0:15 	Ptequa 	49
0:30 	Morbla 	2
0:30 	Ptemac 	7
0:30 	Ptepar 	0
0:30 	Ptequa 	18
0:45 	Morbla 	2
0:45 	Ptemac 	26
0:45 	Ptepar 	1
0:45 	Ptequa 	12
1:00 	Morbla 	4
1:00 	Ptemac 	18
1:00 	Ptepar 	0
1:00 	Ptequa 	20
1:15 	Morbla 	4
1:15 	Ptemac 	5
1:15 	Ptepar 	1
1:15 	Ptequa 	16

...etc

Bruce

-- 
Bruce W. Miller, Ph.D.
Conservation Ecologist
Neotropical Bat Project


office details
Gallon Jug, Belize
Mailing address
P.O. Box 37, Belize City
Belize, Central America
Phone +501-220-9002



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