Sets the values of various parameters.
Syntax of command line: SET parameter value
When AUTOTOLERANCE is ON, then TOLERANCE (see SET TOLERANCE) is decreased automatically by the program to the smallest value such that the number of taxa remaining is non-zero; the value is never automatically increased. The default is ON in Normal mode, and OFF in Advanced mode. See also SET EXACT.
When DEMONSTRATION is ON, the RESTART command restores the SET, DISPLAY, and INCLUDE parameters to the values they had when demonstration mode was turned on, or the values associated with the selected operation mode (automatic or manual).
When DEMONSTRATION is turned ON from an input command file it cannot subsequently be turned OFF except from another input file.
This option is intended for running unattended demonstrations of the program. The default is OFF.
Sets the required level of diagnostic descriptions (see DIAGNOSE). Each diagnostic description will (if possible) differ in at least DIAGLEVEL characters from the full description of every other INCLUDEd taxon. The default value is 1.
Specifies whether DIAGNOSE will generate specimen- or taxon-diagnostic descriptions. A specimen-diagnostic description must be able to distinguish any specimen belonging to the diagnosed taxon from any specimen belonging to any other taxon. A taxon-diagnostic description must be able to distinguish the diagnosed taxon from any other taxon. When generating specimen-diagnostic descriptions, the program will not include characters which may be inapplicable to specimens in the diagnosed taxon, because, for some specimens, such characters cannot contribute to the desired separation. The default is SPECIMENS.
where c1, c2 ... are character numbers, ranges or keywords.
Specifies characters which are to be regarded as not subject to error. When such a character is USEd, taxa inconsistent with the specified value are eliminated, regardless of the TOLERANCE value. Furthermore, any intra-taxon variability inconsistent with the specified value is subsequently ignored, and does not appear in descriptions.
See also Keywords.
SET FIX ON fixes the attributes that have currently been USEd, so that they are not cleared by the RESTART command. SET FIX OFF cancels the SET FIX ON command: fixed characters are cleared and the identification is restarted.
Specifies the directory path which will be searched for the character and taxon images. The default is the current directory. Example: SET IMAGEPATH .;IMAGES;B:\\ will cause the program to search for images in the current directory, its subdirectory IMAGES, and the root directory of the B drive. Components of the imagepath may be URL"s, e.g. http://biodiversity.uno.edu/delta/angio/images.
Specifies the directory path which will be searched for files specified in the INFORMATION dialog. The default is the current directory. Example: SET INFOPATH .;INFO;B:\\ will cause the program to search for files in the current directory, its subdirectory INFO, and the root directory of the B drive. Components of the infopath may be URL"s, e.g. http://biodiversity.uno.edu/delta/angio/info.
where option1, option2, ... are chosen from Overlap, Subset, Exact, Unknowns, and Inapplicables.
Specifies which character values are to be regarded as equal - that is, "match" - in the commands USE, DIFFERENCES, or SIMILARITIES.
SET MATCH O specifies that two sets of values match if they overlap, that is, if they have any values in common (e.g. 1/2 matches 2/3; 2-5 matches 4-10). (S and O cannot be used together.)
SET MATCH S specifies that two sets of values match if one set (usually the values of the specimen) is a subset of the other. (E.g. 1/2 matches 1/2/4 but not 2/3; 2-5 matches 1-6 but not 4-10).
SET MATCH E specifies that two sets of values match only if they are identical.
SET MATCH U specifies that "unknown" matches any value.
SET MATCH I specifies that "inapplicable" matches any value.
The default setting is O U I, which is usually the most appropriate for identification. For information retrieval, the most appropriate setting is usually O.
The U and I settings do not affect text characters, for which unknown and inapplicable attributes are never treated as matches.
N.B. Regardless of the current "Match" settings, the "Differences between the specimen and the remaining taxa" button always uses settings equivalent to "Match exact", and the "Differences between taxa" button always uses settings equivalent to "Match Unknowns Inapplicables". To obtain differences in terms of the current "Match" settings, use the "Differences" option in the "Queries" menu.
where r is a real number in the range 1 to 5. Sets the base of the logarithmic character-reliability scale, which is used in determining the "best" characters during an identification. The default value is 1.1. A value of 1 causes character reliabilities to have no effect on character merit. See Section 5.4 of the DELTA User"s Guide for more details.
See also DISPLAY CHARACTERORDER BEST, SET RELIABILITIES, SET VARYWT.
where c1, c2 ... are character numbers, ranges or keywords, and v1, v2, ... are reliability values in the range 0 to 10. The values and their preceding commas are optional.
Specifies character reliabilities, which are used in determining the "best" characters for separating taxa.
If character numbers, ranges, or keywords are entered without following commas and values, the program prompts for a value, which is applied to all the specified characters.
The default reliabilities are those that were specified when the Intkey data files were generated. See Sections 3.6 and 5.4 of the DELTA User"s Guide for more details.
See also DISPLAY CHARACTERORDER BEST, SET RBASE, Keywords.
Specifies the number of characters which a DIAGNOSE command must find before it stops searching for acceptable characters. Characters are processed in order of decreasing reliability. If n is 0, which is the default, all the characters are examined.
Sets the maximum number of differences between a taxon and the specimen which still allows the taxon to remain under consideration in an identification. The default value is 0.
If AUTOTOLERANCE is ON (see SET AUTOTOLERANCE), then TOLERANCE is altered automatically by the program to the smallest value such that the number of taxa remaining is non-zero. Regardless of the AUTOTOLERANCE setting, TOLERANCE is reset to 0 by the RESTART command.
where r is a real number in the range 0 to 1. Sets the value of a parameter which determines the treatment of intra-taxon variability in selecting the "best" characters during an identification. The default value is 1. If VARYWT is 1, there is no special penalty for intra-taxon variability; if it is 0, characters with intra-taxon variability are ranked lowest. See Section 5.4 of the DELTA User"s Guide for more details.
See also DISPLAY CHARACTERORDER BEST, SET RBASE.