Description Usage Arguments Details Value Author(s) References See Also Examples
This function categorizes the plausible values into specific user defined levels, to estimate the proportion of population totals within this levels.
1 | svyPVlevel(by, svydat, pvs, CATDEF,levlab=NA,right=TRUE, colN=FALSE)
|
by |
A formula statement is expected which splits the data into several subsets. |
svydat |
A survey design ( |
pvs |
A character vector which includes the colnames of the plausible values. These variables must be part of the survey design comitted as |
CATDEF |
A numeric vector which contains the cut points with which the plausible values are categorized. The input follows the same notation as the break argument in the |
levlab |
A character vector which contains the levels labels. Default is NA – which means that the labels will be |
right |
Corresponds to the right argument in the |
colN |
If TRUE the colnames will equal the grouping variable names from the by statement. If FALSE, which is the default, the names will be Group1 up to Group k. |
All variables, including the subsetting ones defined with by
, must be part of the survey design object.
Missing values are deleted listwise.
Note that '.' is not allowed as part of the level string of a by
variable. For example c("1.thing","2.thing") is not allowed and will cause a error message.
The function returns a data.frame with the following columns
Group1..k |
The first k-1 columns show the different levels of the k-1 subsetting groups, provided with |
Number.of.cases |
Shows the unweighted number of cases (NA's excluded) within each group. |
Sum.of.weights |
Shows the sum of weights (NA's excluded) within each group. |
Proportion |
Contains the estimate of the conditional proportion of persons on each level given the categories of the first k-1 groups. |
Proportion.SE |
Contains the SE of the proportion estimate. |
Manuel Reif
Lumley, T. (2010). Complex Surveys. Hoboken, NJ: Wiley.
Saerndal, C.-E. & Swensson, B. & Wretman, J. (1992). Model Assisted Survey Sampling. New York: Springer.
Chaudhuri, A. & Stenger, H. (2005). Survey Sampling. Theory and Methods. Boka Raton, FL: Chapman & Hall/CRC.
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