Package: formula.tools 1.7.1
Christopher Brown
formula.tools: Programmatic Utilities for Manipulating Formulas, Expressions, Calls, Assignments and Other R Objects
These utilities facilitate the programmatic manipulations of formulas, expressions, calls, assignments and other R language objects. These objects all share the same structure: a left-hand side, operator and right-hand side. This packages provides methods for accessing and modifying this structures as well as extracting and replacing names and symbols from these objects.
Authors:
formula.tools_1.7.1.tar.gz
formula.tools_1.7.1.zip(r-4.5)formula.tools_1.7.1.zip(r-4.4)formula.tools_1.7.1.zip(r-4.3)
formula.tools_1.7.1.tgz(r-4.4-any)formula.tools_1.7.1.tgz(r-4.3-any)
formula.tools_1.7.1.tar.gz(r-4.5-noble)formula.tools_1.7.1.tar.gz(r-4.4-noble)
formula.tools_1.7.1.tgz(r-4.4-emscripten)formula.tools_1.7.1.tgz(r-4.3-emscripten)
formula.tools.pdf |formula.tools.html✨
formula.tools/json (API)
NEWS
| # Install 'formula.tools' in R: |
| install.packages('formula.tools', repos = c('https://decisionpatterns.r-universe.dev', 'https://cloud.r-project.org')) |
Bug tracker:https://github.com/decisionpatterns/formula.tools/issues
Last updated 7 years agofrom:45b6654e4d. Checks:OK: 7. Indexed: yes.
| Target | Result | Date |
|---|---|---|
| Doc / Vignettes | OK | Sep 11 2024 |
| R-4.5-win | OK | Sep 11 2024 |
| R-4.5-linux | OK | Sep 11 2024 |
| R-4.4-win | OK | Sep 11 2024 |
| R-4.4-mac | OK | Sep 11 2024 |
| R-4.3-win | OK | Sep 11 2024 |
| R-4.3-mac | OK | Sep 11 2024 |
Exports:envget.varsinvertis.one.sidedis.two.sidedlhslhs.varslhs<-opop.typeop<-rhsrhs.varsrhs<-split_termstoggle.sign
Dependencies:operator.tools
Readme and manuals
Help Manual
| Help page | Topics |
|---|---|
| Invert multiple elements of a multiple element object | .invert.plural .invert.single |
| Converts a formula to character | as.character as.character.formula |
| Get the environment | env env.formula |
| Manipulate the component parts of formulas, expressions, calls, name/symbols and list and vectors of such objects. | .replace.lhs.plural .replace.op.plural .replace.rhs.plural .replace.rhs.singular .replace.ths.plural .rhs.singular formula.parts lhs lhs,<--method lhs,call-method lhs,expression-method lhs,formula-method lhs,list-method lhs<- lhs<-,<--method lhs<-,call-method lhs<-,expression-method lhs<-,formula-method lhs<-,list-method op op,<--method op,call-method op,expression-method op,formula-method op,list-method op,name-method op<- op<-,<--method op<-,call-method op<-,expression-method op<-,formula-method op<-,list-method rhs rhs,<--method rhs,call-method rhs,expression-method rhs,formula-method rhs,list-method rhs<- rhs<-,<--method rhs<-,call-method rhs<-,expression-method rhs<-,formula-method rhs<-,list-method `lhs<-`,<--method |
| Get variable (names) from various R objects | .lhs.vars .rhs.vars get.vars get.vars,ANY,ANY-method get.vars,ANY,ANY-methods get.vars,call,ANY-method get.vars,expression,missing-method get.vars,formula,ANY-method get.vars,name,ANY-method get.vars,NULL,ANY-method get.vars,NULL,ANY-methods lhs.vars lhs.vars,call-method lhs.vars,expression-method lhs.vars,formula-method rhs.vars rhs.vars,call-method rhs.vars,expression-method rhs.vars,formula-method |
| invert | invert invert,call-method invert,expression-method |
| Determine if an object is one- or two-sided. Test whether a object (typically formula, call or expression) is one- (e.g. '~x') or two-sided (e.g. 'x~y'). | is.one.sided is.one.sided,<--method is.one.sided,ANY-method is.one.sided,call-method is.one.sided,expression-method is.one.sided,formula-method is.one.sided,list-method is.two.sided is.two.sided,<--method is.two.sided,ANY-method is.two.sided,call-method is.two.sided,expression-method is.two.sided,formula-method is.two.sided,list-method |
| Get the operator type used in an call, formula, expression, etc. | op.type op.type,<--method op.type,ANY-method op.type,call-method op.type,expression-method op.type,formula-method op.type,list-method op.type-methods |
| Split object into terms | split_terms |
| terms | terms terms.call terms.expression |
| toggle the sign of an expression | toggle.sign |
