In petermeissner/spanmatcher: Matching time span data

Status: experimental, for own education only, possibly subject to change, still quite slow

Author: Peter Meißner

Licence: GPL-2

Description:

Merging time span data used for survival analysis via building new spans out of overlapping spans. For each context change (id1 data changes | id2 data changes) a new span is formed. Spans neither covered within dataset 1 nor 2 are put into separate spans.

Installation and start - development version

devtools::install_github("petermeissner/spanmatcher")
library(spanmatcher)

Usage

Loading the package and making up some data

library(spanmatcher)

df1 = data.frame(
  id1 = letters[1:5],
  from2 = as.Date(c(1,3,4,7,8), origin = "1970-01-01"),
  to2   = as.Date(c(2,4,5,9,10), origin = "1970-01-01")
)

df2 = data.frame(
  id2   = LETTERS[11:13],
  from2 = as.Date(c(2,7,7), origin = "1970-01-01"),
  to2   = as.Date(c(5,9,11), origin = "1970-01-01")
) 

df1

df2

Mergin/joining the data

span_matcher(df1, df2)

Splitting spans

span_matcher(df1,df2, split_after = c(4))
span_matcher(df1,df2, split_before = c(10))

Contribution

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This Code of Conduct is adapted from the Contributor Covenant (http:contributor-covenant.org), version 1.0.0, available at http://contributor-covenant.org/version/1/0/0/

petermeissner/spanmatcher documentation built on May 25, 2019, 1:58 a.m.