The following are the explanations of the commands you provided:
- `nldecompose, by(varname)`: This command is used to decompose a nonlinear regression model into its linear and nonlinear components. The `by(varname)` option specifies the variable to use for grouping the data.
- `[threefold omega(#[,#,...]|omega_option)]`: This is an option for `nldecompose` command. It specifies the method to use for computing the weights for the nonlinear component of the model. The `omega_option` can be one of the following: `hccme`, `hc3`, `hc4`, `hc5`, `hc6`, `hc7`, `hc8`, `hc9`, or `hc0`.
- `regoutputbootstrap`: This command is used to compute bootstrap standard errors and confidence intervals for regression models.
- `bs`: This option specifies the number of bootstrap samples to use.
- `bsoptions(bootstrap_options)`: This option specifies additional options for the bootstrap procedure.
- `ll(#|varname) ul(#|varname)`: These options specify the lower and upper limits for the dependent variable. They can be specified either as a number or as a variable name.
参考
(1) 《计算机组成原理》课程笔记(五)——指令的组成与格式
(2) 计算机指令
(3) 计算机组成原理学习笔记:四 指令系统
(4) Linux ps 命令
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