Displaying 7 results from an estimated 7 matches for "sample_date".
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sample_data
2006 Nov 07
4
Unknown column 'id' in 'field list
...field. I created the model''s table with the following migration, making
sure the primary key was set.
class CreateActiveUserMetrics < ActiveRecord::Migration
def self.up
create_table :active_user_metrics,
{:id => false,
:primary_key => :sample_date} do |t|
t.column :sample_date, :date
t.column :less_than_thirty_days, :integer
t.column :less_than_ninety_days, :integer
t.column :all_days, :integer
end
end
def self.down
drop_table :active_user_metrics
end
end
The test I wrote is as follows.
class ActiveUs...
2011 Aug 30
3
Descriptive Stats from Data Frame
...ok', so
I'm asking here.
I have a data frame with water chemistry data and I want to start
exploring these data. There are three factors (site, date, chemical)
associated with each measurement. The data frame looks like this:
> summary(chemdata)
site_id.sample_date.param.quant
BC-0.5|1996-04-19|Arsenic|0.01 : 1
BC-0.5|1996-04-19|Calcium|76.56 : 1
BC-0.5|1996-04-19|Chloride|12 : 1
BC-0.5|1996-04-19|Magnesium|43.23 : 1
BC-0.5|1996-04-19|Sulfate|175 : 1
BC-0.5|1996-04-19|To...
2008 Oct 14
2
Getting frustrated with RMySQL
...he time the script is
written - I ultimately want to put my script into a scheduled task, so the
analysis can be repeated on updated data either daily or weekly).
Using "INSERT INTO myTable (a) VALUES (1)" is simple enough, but what if I
want to insert a sample number (using, e.g. WEEK(sample_date) as a sample
identifier) along with the rate parameter estimated using fitdistr to fit an
exponential distribution to a dataset, along with its sd? If I were using
Perl or Java, I'd set up the query similar to "INSERT INTO myTable (a,b,c)
VALUES (?,?,?)", and then use function calls...
2020 Sep 22
0
vkd3d release 1.2
The Wine team is proud to announce that release 1.2 of vkd3d, the Direct3D to
Vulkan translation library, is now available.
This release contains improvements that are listed in the release notes below.
The main highlights are:
- Availability of libvkd3d-shader as a public library.
- Support for tessellation shaders.
- Version 1.1 root signatures.
- Stream output support.
The source is
2016 Jun 24
0
Wine release 1.9.13
The Wine development release 1.9.13 is now available.
What's new in this release (see below for details):
- New version of the Gecko engine based on Firefox 47.
- More Shader Model 5 support in Direct3D.
- Unicode data updated to Unicode 9.0.0.
- Improvements to GDI paths and metafiles.
- More progress towards the Direct3D command stream.
- Joystick support improvements on Mac OS
2016 Feb 05
0
Wine release 1.9.3
The Wine development release 1.9.3 is now available.
What's new in this release (see below for details):
- New version of the Gecko engine based on Firefox 44.
- JSON support in JavaScript.
- Improved line breaking in DirectWrite.
- Some more write support in WebServices.
- Still more Shader Model 4 instructions.
- Various bug fixes.
The source is available from the following
2010 Oct 15
0
Wine release 1.3.5
The Wine development release 1.3.5 is now available.
What's new in this release (see below for details):
- Support for animated cursors.
- Printing directly through CUPS instead of lpr.
- Installer fixes for Office 2010.
- Many MSXML3 improvements.
- Improved Shader Model 4 support.
- Proper icons in built-in Internet Explorer.
- Translation updates.
- Various bug fixes.
The