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5 Command file: Reading the data 78List of rarely used job control qualifiersqualifieractionNewNewNewNew!TWOWAY!VCC n!VGSECTORS [s]!WMF!YHTFORM [f]!YSS [r]!TXTFORM 3 replaces multiple spaces with Ampersand, appendsa double backslash to each line and changes the fileextension to say sln.tex (Latex style).Additional significant digits are reported with these formats.Omitting the qualifier means the standard fixed field formatis used. For .yht and .sln files, setting n to -1 means thefile is not formed.modifies the appearance of the variogram calculated from theresiduals obtained when the sampling coordinates of the spatialprocess are defined on a lattice. The default form isbased on absolute ’distance’ in each direction. This form distinguishessame sign and different sign distances and plotsthe variances separately as two layers in the same figure.specifies that n constraints are to be applied to the varianceparameters. The constraint lines occur after the G structuresare defined. The constraints are described in Section 7.9.The variance header line (Section 7.4) must be present, evenif only 0 0 0 indicating there are no explicit R or G structures(see Section 7.9).requests that the variogram formed with radial coordinates(see page 18) be based on s (4, 6 or 8) sectors of size 180/sdegrees. The default is 4 sectors if !VGSECTORS is omittedand 6 sectors if it is specified without an argument. The firstsector is centred on the X direction.Figure 5.1 is the variogram using radial coordinates obtainedusing predictors of random effects fitted as fac(xsca,ysca).It shows low semivariance in xsca direction, high semivariancein the ysca direction with intermediate values in the 45and 135 degrees directions.sets hardcopy graphics file type to .wmf.controls the form of the .yht file!YHTFORM -1 suppresses formation of the .yht file!YHTFORM 1 is TAB separated: .yht becomes yht.txt!YHTFORM 2 is COMMA separated: .yht becomes yht.csv!YHTFORM 3 is Ampersand separated: .yht becomes yht.texadds r to the total Sum of Squares. This might be usedwith !DF to add some variance to the analysis when analysingsummarised data.