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ptools  

Tools for Poisson Data
View on CRAN: Click here


Download and install ptools package within the R console
Install from CRAN:
install.packages("ptools")

Install from Github:
library("remotes")
install_github("cran/ptools")

Install by package version:
library("remotes")
install_version("ptools", "2.0.0")



Attach the package and use:
library("ptools")
Maintained by
Andrew Wheeler
[Scholar Profile | Author Map]
First Published: 2022-07-16
Latest Update: 2023-02-07
Description:
Functions used for analyzing count data, mostly crime counts. Includes checking difference in two Poisson counts (e-test), checking the fit for a Poisson distribution, small sample tests for counts in bins, Weighted Displacement Difference test (Wheeler and Ratcliffe, 2018) , to evaluate crime changes over time in treated/control areas. Additionally includes functions for aggregating spatial data and spatial feature engineering.
How to cite:
Andrew Wheeler (2022). ptools: Tools for Poisson Data. R package version 2.0.0, https://cran.r-project.org/web/packages/ptools. Accessed 06 May. 2025.
Previous versions and publish date:
1.0.0 (2022-07-16 11:50), 1.0.1 (2022-07-21 16:40), 1.0.2 (2023-01-06 16:50)
Other packages that cited ptools R package
View ptools citation profile
Other R packages that ptools depends, imports, suggests or enhances
Complete documentation for ptools
Functions, R codes and Examples using the ptools R package
Some associated functions: bisq_xy . buff_sp . check_pois . count_xy . dcount_xy . dist_xy . e_test . hex_area . hex_dim . hex_wd . idw_xy . kern_xy . near_strings1 . near_strings2 . nyc_bor . nyc_cafe . nyc_liq . nyc_shoot . pai . pai_summary . pois_contour . powalt . prep_grid . prep_hexgrid . small_samptest . vor_sp . wdd . wdd_harm . 
Some associated R codes: check_pois.R . data.R . e_test.R . exact_dist.R . hex.R . near_strings.R . pai.R . pois_contour.R . sp_features.R . wdd.R . wdd_harm.R .  Full ptools package functions and examples
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