how to use a gender formula how to run r based on gender formula that only uses a subset of a factor what is the least painful way to run a model can we run a r model based on gender r formula that only uses a subset of a factor a model that only uses a subset of a factor will __________. how to do gender formula for r how to set a gender formula how to set baseline for an r model r what is the least painful way to do the following what is the formula that only uses the subset of a factor in r. what is the least painful way to do the following in r is there a formula for gender and speed what's the r formula for gender r formula that only uses the subset of a factor how to use gender in a r formula how to do a dp formula of female and male r model that only uses unknown variables what is the least painful way to run a model?