STATA 11 for Windows SAMPLE SESSION - Food Security Group ...

Stata 11 Sample Session Section 1 - Basic functions: Files, Descriptives, Data Transformations
the variables. To obtain the same results from the
Command window you can type
Data storage types
describe
The output shows the file name, the number of
observations, the number of variables, the size and then
information about each of the variables, the storage
type, the display format the value label and variable
label.
Contains data from ……\c-q1a.dta
obs: 1,524
vars: 11
size: 73,152 (93.0% of memory free)
-----------------------------------------------------------------
storage display value
variable name type format label variable label
-----------------------------------------------------------------
district float %9.0g district district
vil float %9.0g vil village
hh float %9.0g household
mem float %9.0g member number
ca1 float %9.0g ca1 does this person work?
ca2 float %9.0g ca2 relation to head
ca3 float %9.0g age
ca4 float %9.0g ca4 sex
ca5 float %9.0g ca5 level of schooling
ca6 float %9.0g ca6 marital status
univ float %9.0g univ where entered
-----------------------------------------------------------------
Sorted by:
An explanation of each of the columns follows:
Storage type: Stata has 6 storage types:
Float - real numbers, 8.5 digits of precision, width of
8 with 5 decimals, default unless another type
is specified
Double - real numbers, 16.5 digits of precision, width
of 16 with 5 decimals
byte - integer between -127 and 100
int - integer between -32,767 and 32,740
long - integer between -2,147,483,647 and
2,147,483,620
strX - string. The X is replaced by the maximum
number of characters allowed for the variable,
For Intercooled Stata maximum size a string
variable can be is 244, e.g. str244.
Since Stata stores the data from the file in memory, when you
define a variable, you want to define it with appropriate storage
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