[R] error.crosses

Marlin Keith Cox mkcox at uas.alaska.edu
Wed Apr 27 20:49:13 CEST 2016


Hello all, I have used describeBy to generate the following summary
statistics.  I simply need x and y error bars on a plot that has CQN
(xaxis) and Price (yaxis).  There should be four total points on the graph
(one for each supplier).

Using "error.crosses(desc$CQN, desc$Price)" does not work.



group: a
          vars  n  mean    sd median trimmed   mad   min   max range skew
CQN          1 65 48.22 11.12  49.61   47.86 13.79 31.30 72.71 41.41  0.1
Price        2 65  6.65  0.06   6.69    6.66  0.01  6.48  6.70  0.22 -1.2
Supplier*    3 65   NaN    NA     NA     NaN    NA   Inf  -Inf  -Inf   NA
          kurtosis   se
CQN          -1.01 1.38
Price         0.70 0.01
Supplier*       NA   NA
------------------------------------------------------------
group: b
          vars n  mean sd median trimmed mad   min   max range skew
kurtosis se
CQN          1 1 91.93 NA  91.93   91.93   0 91.93 91.93     0   NA
NA NA
Price        2 1  6.95 NA   6.95    6.95   0  6.95  6.95     0   NA
NA NA
Supplier*    3 1   NaN NA     NA     NaN  NA   Inf  -Inf  -Inf   NA
NA NA
------------------------------------------------------------
group: c
          vars n  mean   sd median trimmed  mad   min   max range skew
kurtosis
CQN          1 6 63.11 2.58  62.04   63.11 1.53 60.66 67.19  6.53 0.55
 -1.68
Price        2 6  8.92 0.00   8.92    8.92 0.00  8.92  8.92  0.00  NaN
 NaN
Supplier*    3 6   NaN   NA     NA     NaN   NA   Inf  -Inf  -Inf   NA
  NA
            se
CQN       1.05
Price     0.00
Supplier*   NA
------------------------------------------------------------
group: d
          vars n  mean  sd median trimmed  mad   min   max range skew
kurtosis
CQN          1 6 47.20 5.7  46.31   47.20 7.17 39.52 54.45 14.93 0.08
 -1.79
Price        2 6  7.17 0.0   7.17    7.17 0.00  7.17  7.17  0.00  NaN
 NaN
Supplier*    3 6   NaN  NA     NA     NaN   NA   Inf  -Inf  -Inf   NA
NA
            se
CQN       2.33
Price     0.00
Supplier*   NA




M. Keith Cox, PhD
Assistant Professor of Biology
Natural Sciences
Coordinator
Alaska Native Science and Engineering Program (ANSEP)
11120 Glacier Hwy
Juneau, Alaska 99801
Office: Anderson Building
Phone: 907 957-4606
web: www.ansep.net

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