Fix more 0.6 depwarns

Author: ararslan

src/statsmodels/formula.jl

@@ -208,9 +208,9 @@ evt(a) = Any[a]
 function Terms(f::Formula)
     rhs = condense(distribute(dospecials(f.rhs)))
     tt = unique(getterms(rhs))
-    tt = tt[!(tt .== 1)]             # drop any explicit 1's
+    tt = tt[(!).(tt .== 1)]             # drop any explicit 1's
     noint = (tt .== 0) .| (tt .== -1) # should also handle :(-(expr,1))
-    tt = tt[!noint]
+    tt = tt[(!).(noint)]
     oo = Int[ord(t) for t in tt]     # orders of interaction terms
     if !issorted(oo)                 # sort terms by increasing order
         pp = sortperm(oo)
@@ -232,7 +232,7 @@ end
 
 ## Default NA handler.  Others can be added as keyword arguments
 function na_omit(df::DataFrame)
-    cc = complete_cases(df)
+    cc = completecases(df)
     df[cc,:], cc
 end
 

src/statsmodels/statsmodel.jl

@@ -58,7 +58,7 @@ for (modeltype, dfmodeltype) in ((:StatisticalModel, DataFrameStatisticalModel),
 end
 
 # Delegate functions from StatsBase that use our new types
-typealias DataFrameModels Union{DataFrameStatisticalModel, DataFrameRegressionModel}
+const DataFrameModels = Union{DataFrameStatisticalModel, DataFrameRegressionModel}
 @delegate DataFrameModels.model [StatsBase.coef, StatsBase.confint,
                                  StatsBase.deviance, StatsBase.nulldeviance,
                                  StatsBase.loglikelihood, StatsBase.nullloglikelihood,

test/formula.jl

@@ -383,7 +383,7 @@ module TestFormula
     d[:x1m] = @data [5, 6, NA, 7]
     mf = ModelFrame(@formula(y ~ x1m), d)
     mm = ModelMatrix(mf)
-    @test mm.m[:, 2] == d[complete_cases(d), :x1m]
+    @test mm.m[:, 2] == d[completecases(d), :x1m]
     @test mm.m == ModelMatrix{sparsetype}(mf).m
 
     ## Same variable on left and right side