Basically, Stata is a software that allows you to store and manage data (large and small data sets), undertake statistical analysis on your data, and create some really nice graphs. Download anydesk mac. This software is commonly used among health researchers, particularly those working with very large data sets, because it is a powerful software that allows you to. I don't know of a way to do this with raw data in Stata, but you can do it with summary statistics and the ztest2i command that is installed with Stataquest. The format is ztest2i 12 370 20 12 47125, level(99) where the parameters are N1, Mean1, Known SD1, N2, Mean2, Known SD2, and desired CI level. Stata gives you.
Single equal: Set equal
The single equal, =, is used as a set equal operator. Old time Pascal programmers will recognize it as, :=.It is used inthe generate, replace and recode commands. Examples:
Beat maker download mac free. The single equal is also used in some of the multivariate commands, such as, mvreg and manova.For example,
Stata Free Trial
Double equal: Test for equality
The double equals, , is used to test for equality. It is sometimes called logical equals becauseit is part of a logical test that returns either a one (true) or a zero (false). Here aresome examples:
The double equals can also be used in an if command in a do-file or ado-file. For example,
Office mac home student 2016 download. You can create some interesting commands that have both a single equal and double equal signs. Forexample,
Stata Download
This command creates a zero/one variable, hises. The expression ses=2 has thevalue of one when ses (logically) equals two and has the value zero otherwise. Youneed to take care when using this type of command when there are missing values. The missing valueswill get set to zero which may or may not be what you want.
I'm working in SAS again, after about eight gleeful years. To be sure, I didn't miss it, but I'd forgotten all the reasons why.
My data is in SAS, with a format catalog formats.sasb7cat. I want a fully-labeled Stata version of that data. What to do?
The following takes a SAS file and format catalog that reside in the same directory, spits out the format catalog to Stata (you'll need to export your data in a separate step), turns the data file into a text file containing all the -label define- and -label values- statements that will reproduce the value labels present in the SAS file.
In SAS:
Now, escaping back to Stata. The following is a supremely lazy way of approaching the problem, but it gets the job done. For one thing, I use -preserve- and -restore- to drop all but the line in which I'm working.
Single equal: Set equal
The single equal, =, is used as a set equal operator. Old time Pascal programmers will recognize it as, :=.It is used inthe generate, replace and recode commands. Examples:
Beat maker download mac free. The single equal is also used in some of the multivariate commands, such as, mvreg and manova.For example,
Stata Free Trial
Double equal: Test for equality
The double equals, , is used to test for equality. It is sometimes called logical equals becauseit is part of a logical test that returns either a one (true) or a zero (false). Here aresome examples:
The double equals can also be used in an if command in a do-file or ado-file. For example,
Office mac home student 2016 download. You can create some interesting commands that have both a single equal and double equal signs. Forexample,
Stata Download
This command creates a zero/one variable, hises. The expression ses=2 has thevalue of one when ses (logically) equals two and has the value zero otherwise. Youneed to take care when using this type of command when there are missing values. The missing valueswill get set to zero which may or may not be what you want.
I'm working in SAS again, after about eight gleeful years. To be sure, I didn't miss it, but I'd forgotten all the reasons why.
My data is in SAS, with a format catalog formats.sasb7cat. I want a fully-labeled Stata version of that data. What to do?
The following takes a SAS file and format catalog that reside in the same directory, spits out the format catalog to Stata (you'll need to export your data in a separate step), turns the data file into a text file containing all the -label define- and -label values- statements that will reproduce the value labels present in the SAS file.
In SAS:
Now, escaping back to Stata. The following is a supremely lazy way of approaching the problem, but it gets the job done. For one thing, I use -preserve- and -restore- to drop all but the line in which I'm working.
Stata Commands
How might this fall apart? Easily. For example, for SAS FORMATs might not be named the same as your variables. I'm sure there's a step that could solve this easily enough, but I'm fortunate to not have had to deal with it.
