Transcription of Data Analysis Declare data with Stata Cheat Sheet TIME ...
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Data Analysis Declare data with Stata Cheat Sheet TIME ...
Data AnalysisCheat Sheetwith StataFor more info, see Stata s reference manual ( )Tim Essam Laura Hughes us @StataRGIS and @flaneuseksinspired by RStudio s awesome Cheat Sheets ( )updated May 2021CC BY : we are not affiliated with Stata . But we like rep78 variable to be an indicator price the third category of rep78 to be the base categoryregress price ib(3).rep78specify base indicatorfvsetcommand to change basefvset base frequent rep78set the base to most frequently occurring category for mpg as a continuous variable and specify an interaction between foreign and mpgregress price # variable as continuous#create a squared mpg term to be used in regressionregress price mpg # rep78 as an indicator; omit observations with rep78 == 2regress price io(2).rep78omit a variable or indicator##regress price ## all possible interactions with mpg (mpg and mpg2)specify factorial interactionsDESCRIPTIONCATEGORICAL VARIABLES identify a group to which an observation belongsINDICATOR VARIABLES denote whether something is true or falseTFCONTINUOUS VARIABLES measure somethingDeclare datatsline spotplot time series of sunspotsxtset id yeardeclare national longitudinal data to be a panelgenerate lag_spot = a new variable of annual lags of sunspotstsreport report time-series aspects of a datasetxtdescribereport panel aspects of a datasetxtsum hourssummarize ho
variances include multiple comparison adjustment anova systolic drug webuse systolic, clear analysis of variance and covariance ... returns e-class information when post option is used Type help regress postestimation plots ... restore restore temporary copy to point last preserved create a new variable equal to average of price generate p_mean ...
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