Labelling plots

Plots may be labelled as follows. A data-carrier can be associated with a labelling data carrier when the PLOT:  or LOPLOT:  command is issued. The labelling data carrier is just like any other data carrier, except that its values are integers in the range 0 to 55 inclusive. (Any values outside this range will produce the missing symbol, which can be redefined by using the missingsymb  control.) These integers match the characters shown in Table 17.1.

 

0 14 N 28 42 n

1 A 15 O 29 a 43 o

2 B 16 P 30 b 44 p

3 C 17 Q 31 c 45 q

4 D 18 R 32 d 46 r

5 E 19 S 33 e 47 s

6 F 20 T 34 f 48 t

7 G 21 U 35 g 49 u

8 H 22 V 36 h 50 v

9 I 23 W 37 i 51 w

10 J 24 X 38 j 52 x

11 K 25 Y 39 k 53 y

12 L 26 Z 40 l 54 z

13 M 27 + 41 m 55 #

The effect will be that, for example, a plot of X versus Y where Y is associated with a labelling data carrier Z, will plot the symbol associated with for the point . Thus, if , the symbol 'K' will be plotted.

Notice that the possible set of labelling symbols is composed of two matching sets of 28 symbols, each consisting of a blank, the letters of the alphabet in upper or lower case, and a standard plotting character.