Provided by: gnuastro_0.18-1_amd64 bug


       Statistics - calculate statistics of a dataset


       aststatistics [OPTION...] ASTRdata


       Statistics  is  part  of  GNU  Astronomy  Utilities  0.18.  Statistics will do statistical
       analysis on the input dataset (table column or image). All blank pixels or pixels  outside
       of  the given range are ignored. You can either directly ask for certain statistics in one
       line/row as shown below with the same order as  requested,  or  get  tables  of  different
       statistical  measures  like  the  histogram,  cumulative  frequency  style  and etc. If no
       particular statistic is requested, some basic information about the dataset is printed  on
       the command-line.

       For  more  information, please run any of the following commands. In particular the second
       contains a very comprehensive explanation of Statistics's invocation:  expected  input(s),
       output(s), and a full description of all the options.

       All options and their values:
              $ aststatistics -P

       Inputs/Outputs and options:
              $ info aststatistics

       Full section in manual/book:
              $ info Statistics

       Full Gnuastro manual/book:
              $ info gnuastro

       If  you  couldn't find your answer in the manual, you can get direct help from experienced
       Gnuastro users and developers. For more information, please run:

              $ info help-gnuastro

       Statistics options:


       -c, --column=STR
              Column number (counting from 1) or search string.

              Upper range of 2nd dim in 2D histograms.

       -g, --greaterequal=FLT
              Only use values greater-equal than this.

       -h, --hdu=STR/INT
              Extension name or number of input data.

       -I, --ignorecase
              Ignore case in matching/searching columns.

              Lower range of 2nd dim in 2D histograms.

       -l, --lessthan=FLT
              Only use values less than this.

       -Q, --qrange=FLT[,FLT]
              Quantile range: one (from Q to 1-Q) or two.

       -r, --refcol=STR
              Reference column name or number.

              Select column(s): 'name', 'unit', 'comment'.

              Micro-seconds to wait for standard input.

              Tessellation (tile grid):

              Tile IDs in an image, the size of input.

       -F, --remainderfrac=FLT
              Fraction of remainder to split last tile.

              Interpolation metric (radial, manhattan).

              No. of neighbors to use for interpolation.

              Only interpolate over the blank tiles.

       -i, --interpolate
              Interpolate over blank tiles to fill them.

       -M, --numchannels=INT[,..] No. of channels in dim.s (FITS order).

              Display 1 element/tile, not full input res.

              Work (not tile) over channel edges.

       -Z, --tilesize=INT[,INT]
              Regular tile size on dim.s (FITS order).


       -D, --dontdelete
              Don't delete output if it exists.

       -K, --keepinputdir
              Keep input directory for automatic output.

       -o, --output=STR
              Output file name.

              Table fmt: 'fits-ascii', 'fits-binary', 'txt'.

              WCS linear matrix of output ('pc' or 'cd').

              Single value measurements

       -d, --std
              Standad deviation.

       -E, --median



              Mode quantile (see --mode)

              Mode symmetricity (see --mode).

              Value at mode symmetricity (see --mode).

       -m, --mean

              Number (non-blank).

       -O, --mode
              Mode (Appendix C of arXiv:1505.01664).

              Quantile function (multiple values acceptable).

              Quantile of the mean.

              Sigma-clipped mean.

              Sigma-clipped median.

              Number of elements after sigma-clipping.

              Sigma-clipped standard deviation.

       --sum  Sum.

       -u, --quantile=FLT[,...]
              Quantile (multiple values acceptable).

              Particular calculation

              Print an ASCII cumulative frequency plot.

       -A, --asciihist
              Print an ASCII histogram.

       -C, --cumulative
              Save the cumulative frequency plot in output.

              2D histogram (as 'table' or 'image').

       -H, --histogram
              Save the histogram in output.

              Save the histogram and CFP of the mirror dist.

       -R, --contour=STR
              Contour levels, save in PGFPlots format.

       -s, --sigmaclip
              Overall sigma-clipping (see '--sclipparams')

       -t, --ontile
              Single values on separate tiles, not full input.

       -y, --sky
              Find the Sky and its STD over the tessellation.

              Sky and Sky STD settings

              Store steps in '_sky_steps.fits' file.

              Don't write input's blanks in the tiled output.

              HDU/extension name or number of kernel.

       -k, --kernel=FITS
              File name of kernel to convolve input.

              Max. mode and median quantile diff. per tile.

              Max. distance (error multip.) to find mode.

       --outliersclip=FLT,FLT Sigma-clip params for qthresh outliers.

              Multiple of sigma to define outliers.

              Sigma clip: Multiple, and tolerance/number.

              Sky: flat kernel width to smooth interpolated.

              Histogram and CFP settings

              Height of ASCII histogram or CFP plots.

              Set min/max of bins manually, not from data.

              Scale such that the maximum bin has value of one.

              No. of bins in ASCII histogram or CFP plots.

              No. of bins in histogram or CFP tables.

              No. of bins in second-dim of 2D histogram.

       -n, --normalize
              Set sum of all bins to 1.

              Shift bins so one bin starts on this value.

              Similar to --onebinstart, for 2D histogram

              Operating modes:

       -?, --help
              give this help list

              List all config files and variables read.

       --cite BibTeX citation for this program.

              Read configuration file STR immediately.

              Do not parse any more configuration files.

              Min. bytes to avoid RAM automatically.

       -N, --numthreads=INT
              Number of CPU threads to use.

              Only run if the program version is STR.

       -P, --printparams
              Print parameter values to be used and abort.

              Don't print mmap'd file's name and size.

       -q, --quiet
              Only report errors, remain quiet about steps.

       -S, --setdirconf
              Set default values for this directory and abort.

              give a short usage message

       -U, --setusrconf
              Set default values for this user and abort.

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory  or  optional  for  any
       corresponding short options.

       GNU Astronomy Utilities home page:


       Report bugs to


       Copyright  ©  2015-2022 Free Software Foundation, Inc.  License GPLv3+: GNU General public
       license version 3 or later.
       This is free software: you are free to change and redistribute it.  There is NO  WARRANTY,
       to the extent permitted by law.

       Written/developed by Mohammad Akhlaghi


       The  full documentation for Statistics is maintained as a Texinfo manual.  If the info and
       Statistics programs are properly installed at your site, the command

              info Statistics

       should give you access to the complete manual.