@BeginModule
@NewPage
@Name      = Vertstat
@Title     = Vertical statistical values
@Section   = Statistical values
@Class     = Statistic
@Arguments = infile outfile
@Operators = vertmin vertmax vertrange vertsum vertmean vertavg vertstd vertstd1 vertvar vertvar1

@BeginDescription
This module computes statistical values over all levels of the input variables.
According to chosen operator the vertical minimum, maximum, range, sum, average, variance
or standard deviation is written to @file{outfile}.
@EndDescription
@EndModule


@BeginOperator_vertmin
@Title     = Vertical minimum

@BeginDescription
For every gridpoint the minimum over all levels is computed.
@EndDescription
@EndOperator


@BeginOperator_vertmax
@Title     = Vertical maximum

@BeginDescription
For every gridpoint the maximum over all levels is computed.
@EndDescription
@EndOperator


@BeginOperator_vertrange
@Title     = Vertical range

@BeginDescription
For every gridpoint the range over all levels is computed.
@EndDescription
@EndOperator


@BeginOperator_vertsum
@Title     = Vertical sum

@BeginDescription
For every gridpoint the sum over all levels is computed.
@EndDescription
@EndOperator


@BeginOperator_vertmean
@Title     = Vertical mean

@BeginDescription
For every gridpoint the layer weighted mean over all levels is computed.
@EndDescription
@EndOperator


@BeginOperator_vertavg
@Title     = Vertical average

@BeginDescription
For every gridpoint the layer weighted average over all levels is computed.
@EndDescription
@EndOperator


@BeginOperator_vertvar
@Title     = Vertical variance

@BeginDescription
For every gridpoint the variance over all levels is computed. Normalize by n.
@EndDescription
@EndOperator


@BeginOperator_vertvar1
@Title     = Vertical variance (n-1)

@BeginDescription
For every gridpoint the variance over all levels is computed. Normalize by (n-1).
@EndDescription
@EndOperator


@BeginOperator_vertstd
@Title     = Vertical standard deviation

@BeginDescription
For every gridpoint the standard deviation over all levels is computed. Normalize by n.
@EndDescription
@EndOperator


@BeginOperator_vertstd1
@Title     = Vertical standard deviation (n-1)

@BeginDescription
For every gridpoint the standard deviation over all levels is computed. Normalize by (n-1).
@EndDescription
@EndOperator


@BeginExample
To compute the vertical sum of all input variables use:
@BeginVerbatim
   cdo vertsum infile outfile
@EndVerbatim
@EndExample