Top "Extract" questions

Questions related to retrieving specific information from a (typically minimally structured) data source, such as a web site, media file, source code collection or compressed archive (in which case the desired information is one or more original, uncompressed files).

PostgreSQL Extract() DOW : why not Date datatype in addition to timestamp?

According to the PostgreSQL version 8.1 date-time function docs: dow The day of the week (0 - 6; Sunday is 0) (for timestamp values …

postgresql date extract dayofweek ordinal
How do I extract ecdf values out of ecdfplot()

If I use the ecdfplot() function of the latticeExtra package how do I get the actual values calculated i.e. …

r extract extraction lattice ecdf
How to extract leaf nodes from Oracle XMLTYPE

I want to extract only the leaf nodes from an XMLTYPE object in Oracle 10g SELECT t.getStringVal() AS text …

oracle xpath extract xmltype
Extracting EXE Icons in Ubuntu Linux

I'm looking for a way to extract Icons from EXE files on Linux. How can I accomplish this on Linux …

linux icons exe extract
Extract/extractValue for tags with a namespace

I am trying to extract the value of a tag with a name space in Oracle 10g. My query is …

xml oracle plsql extract extract-value
Algorithms for named entity recognition

I would like to use named entity recognition (NER) to find adequate tags for texts in a database. I know …

php python extract analysis named-entity-recognition
How do I extract raster values from polygon data then join into spatial data frame?

I would like to merge polygon data and raster data into one dataframe for purposes of then using randomForests package …

r extract raster spatial-data-frame
How to extract a number into digits using R?

Suppose I have a number: 4321 and I want to extract it into digits: 4, 3, 2, 1 How do I do this?

r numbers extract digits
how to basically extract file with sevenzipsharp

I will extract files to usb from iso file with sevenzipsharp. For this, I download sevenzipsharp from vs nuget package …

c# extract sevenzipsharp
Extract variable names from list or vector in R

Assuming: aa = c('A','B','C') bb = c('D','E','F') list1 = list(aa,bb) vect1 = c(aa,bb) Is …

r list vector extract variable-names