yes, this is a zoo object.
First off all I have:
procProperty: "sensor3" "sensor3" "sensor3" "sensor3" "sensor3" "sensor3"
"sensor3" "sensor3"
property: "A" "B" "B" "A" "B" "B" "A" "A" "A"
data: 40 20 31 32 15 33 15 12 4
I create a matrix with this objects:
data<-cbind(data,property)
data<-cbind(data,procProperty)
now data is:
data:
data property procProperty
[1,] "40" "A" "sensor3"
[2,] "20" "B" "sensor3"
[3,] "31" "B" "sensor3"
[4,] "32" "A" "sensor3"
[5,] "15" "B" "sensor3"
[6,] "33" "B" "sensor3"
[7,] "15" "A" "sensor3"
[8,] "12" "A" "sensor3"
[9,] "4" "A" "sensor3"
"index" contains the date : "2010-10-1 7:32:00" "2010-10-3 4:33:21"
"2010-10-5 7:32:00" "2010-10-2 7:32:00" "2010-10-5 7:32:00"
"2010-10-3 4:33:21" "2010-10-1 17:32:00" "2010-10-3 14:33:21" "2010-10-6
17:32:00"
I modifed with this function: index<-as.POSIXlt(index)
then I do:
sensor<-zoo(data,index)
sensor is:
data property procProperty
2010-10-01 07:32:00 40 A sensor3
2010-10-01 17:32:00 15 A sensor3
2010-10-02 07:32:00 32 A sensor3
2010-10-03 04:33:21 20 B sensor3
2010-10-03 04:33:21 33 B sensor3
2010-10-03 14:33:21 12 A sensor3
2010-10-05 07:32:00 31 B sensor3
2010-10-05 07:32:00 15 B sensor3
2010-10-06 17:32:00 4 A sensor3
str(sensor) is:
str(sensor)
‘zoo’ series from 2010-10-01 07:32:00 to 2010-10-06 17:32:00
Data: chr [1:9, 1:3] "40" "15" "32" "20" "33" "12" "31" "15" "4" "A" "A"
"A" "B" "B" "A" ...
- attr(*, "dimnames")=List of 2
..$ : NULL
..$ : chr [1:3] "data" "property" "procProperty"
Index: POSIXlt[1:9], format: "2010-10-01 07:32:00" "2010-10-01 17:32:00"
"2010-10-02 07:32:00" "2010-10-03 04:33:21" ...
it doesn't matter the type of the plot, the problem is how can i manage all
the data in order to visualize the plot?
How can I "tell" to the pc that I want one plot for each "property" (A and
B) and a line for each "procProperty"??
Maybe I should use the function "tapply"?? (in order to have an object like
this:)
table for A:
sensor1 sensor2 sensor3
2010:.... 40 32 20
2011:.... 30 30 15
table for B:
sensor1 sensor2 sensor3
2010:.... 14 3 12
2011:.... 10 30 15
--
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