readECLS_K1998 {EdSurvey} | R Documentation |
Connect to ECLS–K 1998 Data
Description
Opens a connection to an ECLS–K 1998 data file and
returns an edsurvey.data.frame
with
information about the file and data.
Usage
readECLS_K1998(
path = getwd(),
filename = "eclsk_98_99_k8_child_v1_0.dat",
layoutFilename = "Layout_k8_child.txt",
forceReread = FALSE,
verbose = TRUE
)
Arguments
path |
a character value to the full directory path(s) to the ECLS–K-extracted fixed-width-format (.dat) set of data files |
filename |
a character value of the name of the fixed-width (.dat)
data file in the specified |
layoutFilename |
a character value of the filename of either the ASCII
(.txt) layout file of the |
forceReread |
a logical value to force rereading of all processed data.
The default value of |
verbose |
a logical value that will determine if you want verbose output while the |
Details
Reads in the unzipped files downloaded from the ECLS–K 1998 longitudinal dataset(s) to an edsurvey.data.frame
. The ECLS–K 1998–99 study consisted of
three distinct separate datasets that cannot be combined: (1) Child Grades K–8 Data, (2) School Base-Year Data, and (3) Teacher Base-Year Data.
The filename
and layoutFilename
arguments default to the corresponding Child K–8 default filenames.
Value
an edsurvey.data.frame
for the ECLS–K 1998 longitudinal dataset
Author(s)
Tom Fink
See Also
readECLS_K2011
, readNAEP
, getData
, downloadECLS_K
Examples
## Not run:
# read-in student file with defaults
eclsk_df <- readECLS_K1998(path="~/ECLS_K/1998") #using defaults
d <- getData(data=eclsk_df, varnames=c("childid", "gender", "race"))
summary(d)
## End(Not run)
## Not run:
# read-in with parameters specified
eclsk_df <- readECLS_K1998(path = "~/ECLS_K/1998",
filename = "eclsk_98_99_k8_child_v1_0.dat",
layoutFilename = "Layout_k8_child.txt",
verbose = TRUE,
forceReread = FALSE)
## End(Not run)