An Imperative Library for Data Manipulation

addobs | add observations to the data set |

assert_loaded | assert a dataset is loaded in genvar and error otherwise |

builddata | creates a dataset of a given number of observations |

capture | captures an expression, returning TRUE if there was an error... |

clear | clears the dataset in memory |

collapse | collapses a data set by variables using arbitrary aggregation... |

count | Counts how many observations (optionally, satisfying a... |

describe | lists the names of the variables in the dataset |

destring | convert a variable with string type into a numeric value |

do | Executes R code on the dataset |

dropif | drops rows from the dataset |

dropvar | drops variables in varlist format from the dataset |

estimates_print | display estimation results |

estimates_restore | restore 'genvar' estimates |

estimates_save | save 'genvar' estimates |

estimates_store | store 'genvar' estimates |

estimates_use | loads 'genvar' estimates from file |

fillin | Fully rectangularize a dataset |

forval | Execute code in the datasets environment for all values of a... |

forvar | apply a function to each of a list of variables |

gen | generates a new variable that is a transformation of existing... |

getdata | exports data frame from genvar environment to R environment |

gvplot | convenience interface to R's 'plot' command |

headdata | get first few observations |

is_loaded | a command to determine whether data is loaded |

keepif | keeps some rows in the dataset and drops the rest |

keepvar | keeps some variables in the dataset and drops the others |

L | a function to take lags and leads with panel data |

listif | prints the part of the dataset that satisfies certain... |

logit | estimate a logistic regression |

pred | gets fitted values from a genvar regression object |

preserve | preserve a data set before modification |

probit | estimate a probit regression |

reg | regress y on x with robust standard errors, clustered... |

rename | renames variables in the dataset |

restore | restore a dataset from a previous preserve to be currently... |

savedata | saves data to a CSV or RDS file |

shape | reshapes a data set from wide to long or from long to wide... |

subset.varlist | generate a varlist that is a subset of another |

summarize | summarize a variable list, giving basic descriptive... |

taildata | get last few observations |

tostring | convert a variable of another type into a string variable |

use | uses a dataset, marking it as the active dataset |

varlist | creates a formula object from a varlist, mostly for internal... |

xtset | prepares a panel dataset for lag operations |

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