The Cultivar variable is not recognized as categorical for the ANOVA. Any suggestions/recommendations on correcting this issue and anything else you might notice? Thanks! data rice_yield;     input Soil $ Cultivar $ Yield;     datalines; Soil_I Cultivar_1 100 Soil_I Cultivar_2 73 Soil_I Cultivar_3 89 Soil_I Cultivar_4 37 Soil_I Cultivar_5 120 Soil_II Cultivar_1 105 Soil_II Cultivar_2 59 Soil_II Cultivar_3 91 Soil_II Cultivar_4 41 Soil_II Cultivar_5 115 Soil_III Cultivar_1 93 Soil_III Cultivar_2 65 Soil_III Cultivar_3 79 Soil_III Cultivar_4 43 Soil_III Cultivar_5 105 ; run; /* Perform two-way ANOVA with interaction */ proc anova data=rice_yield;     class Soil Cultivar;  /* Declare categorical variables */     model Yield = Soil|Cultivar;  /* Include interaction term */     means Soil Cultivar / tukey;  /* Post-hoc comparisons */ run; ... View more