[ncl-talk] stat_dispersion error

[Lijun Diao]

Dear NCL forum:

I am trying to use stat_dispersion function to compute 99th percentile of data. At first, I tried the example 1 on the introduction page. However, as you can see in the following, the outputs 22 to 26 are missing values rather that the values shown on the web. My NCL is version 6.3.0. Is it due to my installation issue or anyone can compute the 99th percentile without problems?

thanks for answering my question!

ncl 4> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
ncl 5> statb = stat_dispersion(b, opt )
(0)
(0)        ===> Robust Dispersion Statistics <===
(0)      [0]            Mean=1.96763
(0)      [1]          StdDev=1.94921
(0)      [2]             Min=0.00386701
(0)      [3]          LowDec=0.217212
(0)      [4]          LowOct=0.284452
(0)      [5]          LowSex=0.383918
(0)      [6]     LowQuartile=0.592704
(0)      [7]          LowTri=0.783372
(0)      [8]          Median=1.34768
(0)      [9]         HighTri=2.21197
(0)      [10]   HighQuartile=2.75091
(0)      [11]        HighSex=3.55215
(0)      [12]        HighOct=4.0649
(0)      [13]        HighDec=4.39585
(0)      [14]            Max=12.4941
(0)      [15]          Range=12.4903
(0)      [16]     Dispersion=6.40786
(0)      [17]    RMS Anomaly=1.94824
(0)      [18]      #   Total=1000
(0)      [19]      #    Used=1000
(0)      [20]      # Missing=0
(0)      [21]      % Missing=0
(0)      [22]     Lower 0.1%=9.96921e+36
(0)      [23]     Lower 1.0%=9.96921e+36
(0)      [24]     Lower 5.0%=9.96921e+36
(0)      [25]     Upper 5.0%=9.96921e+36
(0)      [26]     Upper 1.0%=9.96921e+36
(0)      [27]     Upper 0.1%=9.96921e+36
(0)      [28]       Skewness=1.85963
(0)      [29]       Kurtosis=4.42162
(0)

-----------------------------------------------------------------------------
Lijun Diao
ldiao at uh.edu
Research Assistant
Department of Earth & Atmospheric Sciences
University of Houston
4800 Calhoun RD., Bldg. S&R1-312
Houston, TX 77204-5007
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