Update stat_method_tbl.csv

data/stat_method_tbl.csv

@@ -26,6 +26,7 @@ Categorical Data Analysis,Chi-Square Association/Fishers exact,[R](R/association
 Categorical Data Analysis,Cochran Mantel Haenszel,[R](R/cmh),[SAS](SAS/cmh),,[R vs SAS](Comp/r-sas_cmh)
 Categorical Data Analysis,Confidence Intervals for proportions,[R](R/ci_for_prop),,,
 Repeated Measures,Linear Mixed Model (MMRM),[R](R/mmrm),[SAS](SAS/mmrm),,[R vs SAS](Comp/r-sas_mmrm)
+Repeated Measures,Linear Mixed Model (degrees of freedom),,,,
 Repeated Measures,Generalized Linear Mixed Model (MMRM),,,,
 Repeated Measures,Bayesian MMRM,,,,
 Multiple Imputation - Continuous Data MAR,MCMC,,,,
@@ -52,4 +53,4 @@ Causal inference, Weighting,,,,
 Causal inference, G-computation,,,,
 Other Methods,Survey statistics,[R](R/survey-stats-summary),[SAS](SAS/survey-stats-summary),[Python](python/survey-stats-summary),[R vs SAS vs Python](Comp/r-sas-python_survey-stats-summary)
 Other Methods,Nearest neighbour,,,,
-Other Methods,Machine learning,[R](R/xgboost),,,
+Other Methods,Machine learning,[R](R/xgboost),,,