Replace the qplot function with ggplot equivalent

[vedhav]

Part of fix for #485

[github-actions]

Code Coverage Summary

Filename                      Stmts    Miss  Cover    Missing
--------------------------  -------  ------  -------  ----------------------------------------------
R/tm_a_pca.R                    829     829  0.00%    72-1025
R/tm_a_regression.R             716     716  0.00%    92-891
R/tm_data_table.R               171     171  0.00%    58-281
R/tm_file_viewer.R              172     172  0.00%    39-241
R/tm_front_page.R               127     116  8.66%    63-205
R/tm_g_association.R            333     333  0.00%    89-480
R/tm_g_bivariate.R              655     495  24.43%   124-705, 753, 759, 763, 874, 891, 909, 929-951
R/tm_g_distribution.R          1028    1028  0.00%    110-1260
R/tm_g_response.R               349     349  0.00%    85-498
R/tm_g_scatterplot.R            719     719  0.00%    160-970
R/tm_g_scatterplotmatrix.R      280     261  6.79%    78-375, 429, 443
R/tm_missing_data.R            1044    1044  0.00%    58-1239
R/tm_outliers.R                 976     976  0.00%    76-1181
R/tm_t_crosstable.R             254     254  0.00%    81-373
R/tm_variable_browser.R         833     828  0.60%    61-1325
R/utils.R                       122     122  0.00%    74-351
R/zzz.R                           1       1  0.00%    2
TOTAL                          8609    8414  2.27%

Diff against main

Filename                   Stmts    Miss  Cover
-----------------------  -------  ------  -------
R/tm_variable_browser.R       -1      -1  +0.00%
TOTAL                         -1      -1  +0.00%

Results for commit: 3c426ba

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results

[github-actions]

Unit Tests Summary

  1 files    5 suites   0s ⏱️
16 tests 16 ✔️ 0 💤 0 ❌
49 runs  49 ✔️ 0 💤 0 ❌

Results for commit 3c426ba.