What is a string variable in Stata?
String variables, simply speaking, are variables that contain not just numbers, but also other characters (possibly mixed with numbers). Another term that is often used is “alphanumeric” variables, obviously referring the the “alphabet” and therefore to letters.
What is a string variable?
String variables — which are also called alphanumeric variables or character variables — have values that are treated as text. This means that the values of string variables may include numbers, letters, or symbols.
Why is my data yellow in Stata?
White text is what you’ve asked Stata to do. Yellow text is variable names and values. Red text is error messages.
What are string variables C?
A string in C is a sequence of zero or more characters followed by a NULL ‘\0’ character: It is important to preserve the NULL terminating character as it is how C defines and manages variable length strings. All the string handling functions are prototyped in: string. h or stdio.
What is the correct syntax for string variable?
The general syntax for declaring a variable as a String in C is as follows, char string_variable_name [array_size];
How do you assign a string to a variable?
To create a string, put the sequence of characters inside either single quotes, double quotes, or triple quotes and then assign it to a variable. You can look into how variables work in Python in the Python variables tutorial. For example, you can assign a character ‘a’ to a variable single_quote_character .
Why is my variable a string?
Most directly, describe will show string variables as having some storage type (for example, str1, str12) and as having a display format ending in s, such as %9s. See [D] data types to learn more. One common reason for this problem is that the data have been imported from a spreadsheet or something similar.
Why is a variable red in Stata?
It’s a common mistake when importing data to accidentally make Stata think a numeric variable is a string. The values of string variables are red in the data browser (like make in this data set) so if you start seeing red where you shouldn’t you know you’ve got a problem.