R-help   thread date re: [r] missing data (na) and chi-square tests rerda mon, 08 oct 2012 16:12:12 -0700 dear rui and david thank you very much for taking your time to look at my problem. However, i still cannot seem to figure it out. buy viagra on line cheap I think that you david are corect in your assumption of how my data is structured. cheap viagra fast shipping overnight The data in the two columns that i need to cross-table is either 1 or 0. does viagra affect blood pressure I made a mistanke in the formula that i sent to you. videos scary movie viagra The one i use is: data <- matrix(c(sum(! Buy viagra online usa no prescription Variable[group.... viagra 10 mg tableta ==1]), sum(variable[group.... can i buy viagra over the counter in spain ==1]), sum(! cialis and viagra generic Variable[group.... Original viagra online uk ==0]), sum(variable[group.... is 200 mg of viagra safe ==0])),2,2) this is the output of >dput( head(mydata, 20) ): structure(list(patient. canada viagra online Nr = c(1l, 3l, 4l, 5l, 6l, 7l, 9l, 10l, 11l, 12l, 13l, 14l, 15l, 16l, 19l, 20l, 21l, 22l, 23l, 24l), daac.... = c(0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l), taa = c(0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l), sex = c(0l, 0l, 0l, 0l, 0l, 0l, 0l, 1l, 0l, 0l, 0l, 0l, 1l, 0l, 0l, 1l, 1l, 0l, 0l, 0l), alder = c(1l, 6l, 3l, 3l, 6l, 6l, 2l, 6l, 5l, 2l, 6l, 4l, 6l, 2l, 2l, 5l, 3l, 6l, 6l, 6l), reak. 1 = structure(c(2l, 1l, 2l, 2l, 1l, 2l, 2l, 1l, 1l, 1l, 1l, 1l, 1l, 2l, 2l, 1l, 2l, 1l, 1l, 2l),. cheapest viagra to buy Label = c("0", "1", "na"), class = "factor"), reak. cheap viagra without prescription usa 2 = structure(c(1l, 1l, 1l, 1l, 2l, 1l, 1l, 1l, 1l, 2l, 1l, 1l, 2l, 1l, 1l, 2l, 1l, 2l, 1l, 1l),. Label = c("0", "2", "na"), class = "factor"), reak. does viagra affect blood pressure 3 = structure(c(1l, 2l, 1l, 1l, 1l, 1l, 1l, 2l, 2l, 1l, 2l, 2l, 1l, 1l, 1l, 1l, 1l, 1l, 2l, 1l),. buy female viagra usa Label = c("0", "3", "na"), class = "factor"), reak. cheapest generic viagra 4 = structure(c(1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 1l),. buying viagra on line Label = c("0", "4", "na"), class = "factor"), tryptase = structure(c(1l, 1l, 1l, 3l, 1l, 3l, 1l, 2l, 2l, 1l, 3l, 3l, 1l, 3l, 3l, 3l, 3l, 3l, 2l, 1l),. Label = c("0", "1", "na"), class = "factor"), hypotension = c(0l, 1l, 0l, 0l, 1l, 0l, 1l, 1l, 1l, 1l, 1l, 1l, 1l, 0l, 0l, 0l, 0l, 0l, 1l, 0l), tachycardia = c(0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 1l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 1l, 0l, 0l), br. there safe place buy viagra online Spasm. Viagra daily when to take = c(0l, 1l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 1l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l, 0l), angioedema = c(0l, 0l, 0l, 1l, 0l, 1l, 0l, 0l, 1l, 0l, 0l, 0l, 0l, 0l, 0l, 1l, 0l, 0l, 0l, 0l), urtic. viagra use pilots cheap viagra in canada
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