Detailed size limits

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Detailed size limits

Maximum size limits	Stata/BE	Stata/SE	Stata/MP
# of observations (1)	2,147,483,619	2,147,483,619	1,099,511,627,775
# of variables	2,048	32,767	120,000
# of RHS variables	798	10,998	65,532
# characters in a command # options for a command	264,408 256	4,227,159 256	4,227,159 256
# of elements in a numlist	2,500	2,500	2,500
# of interacted continuous variables # of interacted factor variables	64 8	64 8	64 8
# of unique time-series operators in a command # seasonal suboperators per time-series operator	100 8	100 8	100 8
# of dyadic operators in an expression # of numeric literals in an expression # of string literals in an expression length of string in string expression (bytes) # of sum functions in an expression # of pairs of nested parentheses	800 300 512 2,000,000,000 5 249	800 300 512 2,000,000,000 5 249	800 300 512 2,000,000,000 5 249
# of characters in a macro (2)	264,392	4,227,143	15,480,200
# of nested do-files	64	64	64
# of lines in a program # of bytes in a program	3,500 135,600	3,500 135,600	3,500 135,600
length of a variable name (characters) length of ado-command name (characters) length of a global macro name (characters) length of a local macro name (characters) length of a str# variable (bytes) length of a strL variable (bytes)	32 32 32 31 2,045 2,000,000,000	32 32 32 31 2,045 2,000,000,000	32 32 32 31 2,045 2,000,000,000
anova # of variables in one anova term # of terms in the repeated() option	8 4	8 4	8 4
char length of one characteristic (bytes)	67,784	67,784	67,784
constraint # of constraints	1,999	1,999	1,999
encode and decode # of unique values	65,536	65,536	65,536
_estimates hold # of stored estimation results	300	300	300
estimates store # of stored estimation results	300	300	300
exlogistic and expoisson maximum memory specification in memory(#)	2gb	2gb	2gb
frames # of frames	100	100	100
grmeanby # of unique values in varlist	_N/2	_N/2	_N/2
graph minimum graph size (inches) maximum graph size (inches)	1 100	1 100	1 100
graph twoway # of variables in a plot # of styles in an option's stylelist	100 20	100 20	100 20
import sas # of variables	2,048	32,766	32,766
import spss # of variables	2,048	32,766	32,766
impute # of variables in varlist	31	31	31
infile record length without dictionary record length with a dictionary	none 524,275	none 524,275	none 524,275
infix record length with a dictionary	524,275	524,275	524,275
label length of dataset label (characters) length of variable label (characters) length of value label string (bytes) length of name of value label (characters) # of codings within one value label	80 80 32,000 32 65,536	80 80 32,000 32 65,536	80 80 32,000 32 65,536
label language # of different languages	100	100	100
macros # of nested macros	20	20	20
manova # of variables in single manova term	8	8	8
matrix (3) dimension of single matrix	800x800	11,000x11,000	65,534x65,534
maximize options iterate() maximum	16,000	16,000	16,000
mprobit # of categories in a depvar	30	30	30
net (also see usersite) # of description lines in .pkg file	100	100	100
nlogit and nlogittree # of levels in model	8	8	8
notes length of one note (bytes) # of notes attached to _dta # of notes attached to each variable	67,784 9,999 9,999	67,784 9,999 9,999	67,784 9,999 9,999
numlist # of elements in the numeric list	2,500	2,500	2,500
_pctile # of percentiles	4,096	4,096	4,096
putdocx and putpdf # of tables added to a document	500	500	500
reg3, sureg, and other system estimators # of equations	800	11,000	65,534
set adosize memory ado-files may consume	1000K	1000K	1000K
set scrollbufsize memory for Results window buffer	2000K	2000K	2000K
slogit # of categories in a depvar	30	30	30
snapshot length of label (characters) # of saved snapshots	80 1,000	80 1,000	80 1,000
stcox # of variables in strata() option	5	5	5
stcurve # of curves plotted on the same graph	20	20	20
tabdisp # of by variables # of margins, i.e., sum of rows, columns, supercolumns, and by groups	4 3,000	4 3,000	4 3,000
tabulate # of rows in one-way table # of rows & cols in two-way table	3,000 300x20	12,000 1,200x80	12,000 1,200x80
tabulate, summarize (see tabsum) # of cells (rows X cols)	375	375	375
teffects # of treatments	20	20	20
xt estimation commands (e.g., xtgee, xtgls, xtpoisson, xtprobit, xtreg with mle option, and xtpcse when neither option hetonly nor option independent is specified) # of time periods within panel # of integration points accepted by intpoints(#)	800 195	11,000 195	65,534 195

Notes

For Stata/MP, the maximum number of observations is 1,099,511,627,775, and for Stata/SE, the maximum number is 2,147,483,619. In practice, both editions are limited by memory.

The maximum length of the contents of a macro is fixed in Stata/BE and settable in Stata/SE and Stata/MP. The currently set maximum length is recorded in c(macrolen); type display c(macrolen). The maximum length can be changed with set maxvar. If you set maxvar to a larger value, the maximum length increases; if you set maxvar to a smaller value, the maximum length decreases. The relationship between them is maximum_length = 129*maxvar + 200.

In Mata, matrices are limited only by the amount of memory on your computer.

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