I issued the following command to obtain the std dev for each month.

 

psd<-numSummary(Sal, groups=month, statistics=c("sd"))

 

which resulted in

 

> psd

                sd                           n              NA

1              6.930340              9367 2319

2              7.847003              10827 1008

3              5.962308              12988  404

4              3.632105              12576  384

5              3.328189              13030  362

6              10.101336            12955    5

7              11.759585            13071  321

8              10.277566            12286 1105

9              8.561922              12286  674

10           9.252890              13343   27

11           9.568852              12591  369

12           9.622851              12020  946

 

> typeof(psd)

[1] "list"

 

I want plot sd versus column 1 (month of year) of the list psd.

 

The only way I can figure out how to do this is to manually copy the
table into Excel, reformat, and then export that back out as a new csv.
There has to be a better way?

 

 

Gregory A. Graves

Lead Scientist

REstoration COoordination and VERification (RECOVER) 

Watershed Division

South Florida Water Management District

Phones:  DESK: 561 / 682 - 2429 

             CELL:  561 / 719 - 8157

             

 

 


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