使用期限租赁或永久
许可形式单机和网络版
原产地美国
介质下载
适用平台window,mac,linux
科学软件网提供大量正版科学软件,满足各学科的科研要求。科学软件网专注软件销售服务已达19年,全国大部分高校和企事业单位都是我们的客户。同时,我们还提供本地化服务,助力中国的科研事业。
Multiple datasets in memory in Stata 16
You can now load multiple datasets into memory. You type
. use people
and people.dta is loaded into memory. Next, you type
. frame create counties
. frame counties: use counties
and you have two datasets in memory. people.dta is in the frame named default, and counties.dta is in the frame named counties. Your current frame is still default. Most Stata commands use the data in the current frame. For example, if you typed
. list
then people.dta will be listed. If you typed
. frame counties: list
then counties.dta will be listed. Or you could make counties the current frame by typing
. frame change counties
and list will now list the counties data.
Navigating frames is easy and so is linking them. Imagine that both datasets have a variable named countycode that identifies counties in the same way. Type
. frlink m:1 countycode, frame(counties)
and each person in the default frame is linked to a county in the counties frame. This means you can now use the frget command to copy variables from the counties frame to the current frame. Or you can use the frval() function to directly access the values of variables in the counties frame. For instance, if we have each individual’s income in the default frame and median county income in the counties frame, we can generate a new variable containing relative income by typing
. generate rel_income = income / frval(counties, median_income)
This is the beginning. While this example uses only two frames, you can have up to 100 frames in memory at once, and you can have many links among those frames.
Bayesian linear models
Bayesian generalized linear models
Bayesian zero-inflated models
Bayesian survival (duration) models
Bayesian sample-selection models
Bayesian multilevel models
Customize your tables of
Have excess zeros (or responses in the lowest category)?
科学软件网不仅提供软件产品,更有多项附加服务免费提供,让您售后无忧!
http://www.kxrjsoft.com.cn