R: Examples for 's20x::freq1way'

### ** Examples


##Body image data:
data(body.df)
eth.table = with(body.df, table(ethnicity))
freq1way(eth.table)

data:  eth.table    n = 246 

Individual (large sample) 95% CIs 
 (adjusted for 4 multiple comparisons) 
        sample prop conf.lower conf.upper
Asian         0.203      0.139      0.267
Europn        0.407      0.328      0.485
Maori         0.264      0.194      0.334
Pacific       0.126      0.073      0.179

Chi-square test for uniformity 
    X-squared = 41.5772, df = 3, p-value = 4.933e-09

95% CIs for differences in true proportions (rowname-colname) 
 (adjusted for 6 multiple comparisons) 
       Europn          Maori          Pacific       
Asian  (-0.33,-0.076)* (-0.176,0.054) (-0.018,0.173)
Europn                 (0.007,0.278)* (0.167,0.394)*
Maori                                 (0.036,0.241)*

freq1way(eth.table,hypothprob=c(0.2,0.4,0.3,0.1))

data:  eth.table    n = 246 

Individual (large sample) 95% CIs 
 (adjusted for 4 multiple comparisons) 
        sample prop conf.lower conf.upper hypoth prob
Asian         0.203      0.139      0.267         0.2
Europn        0.407      0.328      0.485         0.4
Maori         0.264      0.194      0.334         0.3
Pacific       0.126      0.073      0.179         0.1

Chi-square test for hypothesized probabilities 
    X-squared = 2.7534, df = 3, p-value = 0.4312

Examples for 's20x::freq1way'

Analysis of 1-dimensional frequency tables