View source: R/make_sps_setup.R
| make_sps_setup | R Documentation |
make_sps_setup() is used to create the setup file used in reading in fixed-width text files. Often the setup file comes with the data file but in some cases (usually with government data) you will need to create the setup file yourself.
make_sps_setup(
file_name,
col_positions,
col_names = NULL,
col_labels = NULL,
value_labels = NULL,
missing_values = NULL
)
file_name |
Name (or path) of the file to be saved (e.g. "setup_file1"). The .sps extension is added if it isn't already there. |
col_positions |
Either a vector of strings indicating the start and end position of each column (e.g. "1-3", "4-5") or a vector of the widths of the columns (e.g. 3, 2). |
col_names |
A vector of names for the columns. If none are provided, will automatically create names based on column number (e.g. V1, V2, V3). |
col_labels |
A vector of labels for the columns. These are often longer and more descriptive
than the col_names. These are the values used as column names if
use_clean_names = TRUE in |
value_labels |
A vector with the value first, then an ' = ' then the label. Each new column should have the column name (or label) followed by ' ='. |
missing_values |
A vector of strings with the column name or label followed by the values to be replaced by NA, e.g. c("var1", "9", "-8", "var2", "-8"). |
NULL, invisibly. Called to write the .sps file.
value_labels <- c("var1 = ",
"1 = label 1",
"2 = label 2",
"3 = label 3",
"4 = label 4",
"5 = label 5",
"var3 = ",
"1A = alpha",
"1B = bravo",
"1C = cat")
missing_values <- c("state name", "9", "-8", "county", "-8")
file_name <- file.path(tempdir(), "example_name")
make_sps_setup(file_name = file_name,
col_positions = c(1, 3, 4, 2),
col_names = c("var1", "var2", "var3", "var4"),
col_labels = c("state name", "county",
"population", "census region code"),
value_labels = value_labels,
missing_values = missing_values)
# The new setup file can be used with parse_setup() and read_ascii_setup()
parse_setup(paste0(file_name, ".sps"))
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