added variable plots returns error when model formula contains inline functions

[aravindhebbali]

> library(caret)
Loading required package: lattice
Loading required package: ggplot2
> data("Sacramento")
> lm_fit1 <- lm(log(price)  ~ . - city, data = Sacramento)
> ols_avplots(lm_fit1)
Error in eval(predvars, data, env) : object 'price' not found
Called from: eval(predvars, data, env)

> sessionInfo()
R version 3.4.0 (2017-04-21)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_India.1252  LC_CTYPE=English_India.1252   
[3] LC_MONETARY=English_India.1252 LC_NUMERIC=C                  
[5] LC_TIME=English_India.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] caret_6.0-76    ggplot2_2.2.1   lattice_0.20-35 olsrr_0.1.0    

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.7          compiler_3.4.0       nloptr_1.0.4        
 [4] plyr_1.8.4           iterators_1.0.8      tools_3.4.0         
 [7] pkgload_0.0.0.9000   pkgbuild_0.0.0.9000  digest_0.6.10       
[10] goftest_1.0-3        lme4_1.1-11          memoise_1.0.0.9001  
[13] tibble_1.2           nlme_3.1-125         gtable_0.2.0        
[16] mgcv_1.8-17          Matrix_1.2-9         foreach_1.4.3       
[19] rstudioapi_0.6       DBI_0.5-1            parallel_3.4.0      
[22] SparseM_1.7          gridExtra_2.0.0      withr_1.0.2         
[25] dplyr_0.5.0          stringr_1.1.0        devtools_1.12.0.9000
[28] MatrixModels_0.4-1   stats4_3.4.0         grid_3.4.0          
[31] nnet_7.3-12          nortest_1.0-4        R6_2.2.1            
[34] minqa_1.2.4          tidyr_0.6.0          purrr_0.2.2         
[37] reshape2_1.4.2       car_2.1-2            magrittr_1.5        
[40] scales_0.4.1         codetools_0.2-15     ModelMetrics_1.1.0  
[43] MASS_7.3-47          splines_3.4.0        assertthat_0.2.0    
[46] pbkrtest_0.4-6       colorspace_1.2-7     quantreg_5.19       
[49] stringi_1.1.2        lazyeval_0.2.0       munsell_0.4.3

[aravindhebbali]

ols_avplots() now works with inline functions.

library(olsrr)
library(caret)
data("Sacramento")
model <- lm(log(mpg) ~ disp + hp + wt, data = mtcars)
olsrr::ols_avplots(model)

Session Info

> sessionInfo()
R version 3.4.0 (2017-04-21)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_India.1252  LC_CTYPE=English_India.1252   
[3] LC_MONETARY=English_India.1252 LC_NUMERIC=C                  
[5] LC_TIME=English_India.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] caret_6.0-76        ggplot2_2.2.1       lattice_0.20-35     olsrr_0.1.1        
[5] testthat_1.0.2.9000

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.7        nloptr_1.0.4       compiler_3.4.0     plyr_1.8.4        
 [5] iterators_1.0.8    tools_3.4.0        goftest_1.0-3      lme4_1.1-11       
 [9] pkgload_0.0.0.9000 tibble_1.2         gtable_0.2.0       nlme_3.1-125      
[13] mgcv_1.8-17        Matrix_1.2-9       foreach_1.4.3      DBI_0.5-1         
[17] parallel_3.4.0     SparseM_1.7        gridExtra_2.0.0    withr_1.0.2       
[21] dplyr_0.5.0        stringr_1.1.0      MatrixModels_0.4-1 stats4_3.4.0      
[25] grid_3.4.0         nnet_7.3-12        nortest_1.0-4      R6_2.2.1          
[29] minqa_1.2.4        tidyr_0.6.0        purrr_0.2.2        reshape2_1.4.2    
[33] car_2.1-2          magrittr_1.5       splines_3.4.0      scales_0.4.1      
[37] codetools_0.2-15   ModelMetrics_1.1.0 MASS_7.3-47        assertthat_0.2.0  
[41] pbkrtest_0.4-6     colorspace_1.2-7   labeling_0.3       quantreg_5.19     
[45] stringi_1.1.2      lazyeval_0.2.0     munsell_0.4.3      crayon_1.3.2