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helpcenter.filter-cart
NDA Help Center
Filter Cart
Viewable at the top right of NDA pages, the Filter Cart is a temporary holder for filters and data they
select. Filters are added to the Workspace first, before being submitted to The Filter Cart. Data selected
by filters in the Filter Cart can be added to a Data Package or an NDA Study from the Data Packaging Page,
by clicking the 'Create Data Package / Add Data to Study' button.
The filter cart supports combining multiple filters together, and depending on filter type will use "AND"
or "OR" when combining filters.
Multiple selections from the same filter type will result in those selections being applied with an ‘OR’
condition. For example, if you add an NDA Collection Filter with selections for both collections 2112 and
2563 to an empty Workspace, the subjects from NDA Collection 2112 ‘OR’ NDA Collection 2563 will be added
to your Workspace even if a subject is in both NDA Collections. You can then add other NDA Collections to
your Workspace which further extends the ‘OR’ condition.
If a different filter type is added to your Workspace, or a filter has already been submitted to the
Filter Cart, the operation then performs a logical ‘AND’ operation. This means that given the subjects
returned from the first filter, only those subjects that matched the first filter are returned by the
second filter (i.e., subjects that satisfied both filters).
When combining other filters with the GUID filter, please note the GUID filter should be added last.
Otherwise, preselected data may be lost. For example, a predefined filter from Featured Datasets
may select a subset of data available for a subject. When combined with a GUID filter for the same subject,
the filter cart will contain all data available from that subject, data structure, and dataset; this may be
more data than was selected in the predefined filter for that subject. Again, you should add the GUID
Filter as the last filter to your cart. This ensures 'AND' logic between filters and will limit results to
the subjects, data structures, and datasets already included in your filter cart.
Note that only the subjects specific to your filter will be added to your Filter Cart and only on data
shared with the research community. Other data for those same subjects may exist (i.e., within another NDA
Collection, associated with a data structure that was not requested in the query, etc.). So, users should
select ‘Find all Subjects Data’ to identify all data for those specific subjects.
Additional Tips:
You may query the data without an account, but to gain access you will need to create an NDA user
account and apply for access. Most data access requires that you or your lab are sponsored by an NIH
recognized institution with Federal Wide Assurance (FWA). Without access, you will not be able to
obtain individual-level data.
Once you have selected data of interest you can:
Create a data package - This allows you to specify format for access/download
Assign to Study Cohort - Associate the data to an NDA Study allowing for a DOI to be generated and the
data to be linked directly to a finding, publication, or data release.
Find All Subject Data - Depending on filter types being used, not all data associated with a subject
will be selected. Data may be restricted by data structure, NDA Collection, or outcome variables
(e.g., NDA Study). ‘Find All Data’ expands the filter criteria by replacing all filters in your
Filter Cart with a single Query by GUID filter for all subjects selected by those filters.
Please Note:
When running a query, it may take a moment to populate the Filter Cart. Queries happen in the
background so you can define other queries during this time.
When you add your first filter, all data associated with your query will be added to the Filter Cart
(e.g., a Concept, an NDA Collection, a Data Structure/Element, etc.). As you add additional filters,
they will also display in the Filter Cart. Only the name of filter will be shown in the Filter Cart,
not the underlying structures.
Information about the contents of the Filter Cart can be seen by clicking "Edit”.
Once your results appear in the Filter Cart, you can create a data package or assign subjects to a
study by selecting the 'Package/Assign to Study' option. You can also 'Edit' or 'Clear' filters.
Frequently Asked Questions
What is a Filter Cart?
Viewable at the top right of NDA pages, the Filter Cart is a temporary holder of data identified by the user,
through querying or browsing, as being of some potential interest. The Filter Cart is where you send the data
from your Workspace after it has been filtered.
What do I do after filters are added to the Filter Cart?
After filters are added to the Filter Cart, users have options to ‘Create a Package’ for download, ‘Associate
to Study Cohort’, or ‘Find All Subject Data’. Selecting ‘Find All Subject Data’ identifies and pulls all data
for the subjects into the Filter Cart. Choosing ‘Create a Package’ allows users to package and name their query
information for download. Choosing ‘Associate to Study Cohort’ gives users the opportunity to choose the Study
Cohort they wish to associate this data.
Are there limitations on the amount of data a user can download?
NDA limits the rate at which individual users can transfer data out of Amazon Web Services (AWS) S3 Object
storage to non-AWS internet addresses. All users have a download limit of 20 Terabytes. This limit applies
to the volume of data an individual user can transfer within a 30-day window. Only downloads to non-AWS
internet addresses will be counted against the limit.
How does Filter Cart Boolean logic work?
The Filter Cart currently employs basic AND/OR Boolean logic. A single filter may contain multiple
selections for that filter type, e.g., a single NDA Study filter might contain NDA Study 1 and NDA Study
2. A subject that is in EITHER 1 OR 2 will be returned. Adding multiple filters to the cart, regardless
of type, will AND the result of each filter. If NDA Study 1 and NDA Study 2 are added as individual
filters, data for a subject will only be selected if the subject is included in BOTH 1 AND 2.
When combining other filters with the GUID filter, please note the GUID filter should be added last.
Otherwise, preselected data may be lost. For example, a predefined filter from Featured Datasets
may select a subset of data available for a subject. When combined with a GUID filter for the same subject,
the filter cart will contain all data available from that subject, data structure, and dataset; this may be
more data than was selected in the predefined filter for that subject. Again, you should add the GUID Filter
as the last filter to your cart. This ensures 'AND' logic between filters and will limit results to the
subjects, data structures, and datasets already included in your filter cart.
Glossary
Workspace
The Workspace within the General Query Tool is a holding area where you can review your pending filters prior
to adding them to Filter Cart. Therefore, the first step in accessing data is to select one or more items and
move it into the Workspace.
Filter Cart
Viewable at the top right of NDA pages, the Filter Cart is a temporary holder of data identified by the user
through querying or browsing as being of some potential interest. The Filter Cart adds data using an AND
condition. The opportunity to further refine data to determine what will be downloaded or sent to a miNDAR is
available on the Data Packaging Page, the next step after the Filter Cart. Subsequent access to data is
restricted by User Permission or Privilege; however Filter Cart use is not.
The NDA Query Tool provides a powerful interface to identify and access data. It enables users to select
one or many types of queries, typically following a keyword search. Then, users add these selections to
their Workspace.
The Workspace is the intermediate place for selecting and reviewing filters before submitting them to the
Filter Cart. Once queries have been added to the Workspace and verified, the next step is to submit them
to the Filter Cart.
Multiple selections from the same filter type will result in those selections being applied with an ‘OR’
condition. For example, if you add a Data from Labs Filter with selections for NDA Collections 2112 and
2563 to an empty Workspace, the subjects from NDA Collection 2112 ‘OR’ NDA Collection 2563 will be added
to your Workspace even if a subject is in both NDA Collections. You can then add other Data from Labs
filter to your Workspace which further extends the ‘OR’ condition.
When combining other filters with the GUID filter, please note the GUID filter should be added last.
Otherwise, preselected data may be lost. For example, a predefined filter from Featured Datasets
may select a subset of data available for a subject. When combined with a GUID filter for the same subject,
the filter cart will contain all data available from that subject, data structure, and dataset; this may be
more data than was selected in the predefined filter for that subject. Again, you should add the GUID
Filter as the last filter to your cart. This ensures 'AND' logic between filters and will limit results to
the subjects, data structures, and datasets already included in your filter cart.
If a different filter type is added to your Workspace, or a filter has already been submitted to the Filter
Cart, the operation then performs a logical ‘AND’ operation. This means that given the subjects returned
from the first filter, only those subjects that matched the first filter are returned by the second filter
(i.e., subjects that satisfied both filters). Note that only the subjects specific to your filter will be
added to your Filter Cart and only on data shared with the research community. Other data for those same
subjects may exist (i.e., within another NDA Collection, associated with a data structure that was not
requested in the query, etc.).
Additional Tips:
You may add filters without an account, but to create a data package or add data to a study you will
need to create an NDA user account and apply for access. Most data access requires that you or your lab
are sponsored by an NIH recognized institution with Federal Wide Assurance (FWA). Without access, you
will not be able to obtain individual-level data.
Once you have selected data of interest you can click the 'Create data package / Add data to Study
button' on the Filter Cart, this will take you the Data Packaging Page where you can:
Create a data package - This allows you to specify format for access/download
Add data to a Study - Add the selected data to an NDA Study allowing for a DOI to be generated
and the data to be linked directly to a finding, publication, or data release.
Find All Subject Data - Depending on filter types being used, not all data associated with a
subject will be selected. Data may be restricted by data structure, NDA Collection, or outcome
variables (e.g., NDA Study). ‘Find All Data’ expands the filter criteria by replacing all
filters in your Filter Cart with a single Query by GUID filter for all subjects selected by
those filters.
Frequently Asked Questions
What is a Filter Cart?
Viewable at the top right of NDA pages, the Filter Cart is a temporary holder of data identified by the user,
through querying or browsing, as being of some potential interest. The Filter Cart is where you send the data
from your Workspace after it has been filtered.
How are selections from different tabs represented in the Workspace?
Selections that have been added from different tabs are shown in the Workspace by the filter name they were
created under. For example, when users add data to the Workspace from the ‘Data Dictionary’ tab, queries
show up under a heading Filter: Data Dictionary. When users add to the Workspace from ‘Data from Labs’,
queries display as Filter: Data from Labs. This allows you to review all the queries by differentiated tabs
prior to putting the data from your Workspace into your Filter Cart.
What do I do after filters are added to the Filter Cart?
After filters are added to the Filter Cart, users have options to ‘Create a Package’ for download,
‘Associate to Study Cohort’, or ‘Find All Subject Data’. Selecting ‘Find All Subject Data’ identifies and
pulls all data for the subjects into the Filter Cart. Choosing ‘Create a Package’ allows users to package
and name their query information for download. Choosing ‘Associate to Study Cohort’ gives users the
opportunity to choose the Study Cohort they wish to associate this data.
How do I see all data associated with the subjects in my Filter Cart?
Only pertinent data to the type of filter added is seen in the Filter Cart. For example, if a data structure
is selected and added to the Workspace and then the Filter Cart, only those data within that specific structure
are seen. To see all data for a set of subjects across structures, NDA Collections, or other containers, use
the ‘Query by GUID’ option for the subjects of interest, or select ‘Find All Subjects’ from within the Filter
Cart. After adding another type of filter, all subjects currently in the cart are captured and return all data
associated with them. NOTE: ‘Query by GUID’ and ‘Find all Subject Data’ require that you are authenticated and
have access to at least one of the NDA data repositories or NDA Collections.
How does Filter Cart Boolean logic work?
The Filter Cart currently employs basic AND/OR Boolean logic. A single filter may contain multiple
selections for that filter type, e.g., a single NDA Study filter might contain NDA Study 1 and NDA Study
2. A subject that is in EITHER 1 OR 2 will be returned. Adding multiple filters to the cart, regardless
of type, will AND the result of each filter. If NDA Study 1 and NDA Study 2 are added as individual
filters, data for a subject will only be selected if the subject is included in BOTH 1 AND 2.
When combining other filters with the GUID filter, please note the GUID filter should be added last.
Otherwise, preselected data may be lost. For example, a predefined filter from Featured Datasets
may select a subset of data available for a subject. When combined with a GUID filter for the same subject,
the filter cart will contain all data available from that subject, data structure, and dataset; this may be
more data than was selected in the predefined filter for that subject. Again, you should add the GUID Filter
as the last filter to your cart. This ensures 'AND' logic between filters and will limit results to the
subjects, data structures, and datasets already included in your filter cart.
How do I create a data package?
Once one or more query tools add data to the Filter Cart for download, data can be viewed and edited in the
cart panel located in the upper right-hand corner of the page. Clicking ‘Create Data Package/Add to Study’ takes
you to the Data Packaging Page. On the Data Packaging Page, data returned by the query is viewable. The panel
to the left displays the source NDA Collections of all the data, and the panel to the right displays a list of
all the Data Structures included. Users can check or uncheck NDA Collections and Data Structures to remove or
include in each newly created package. Individual subjects must be in both a checked NDA Collection and a
checked Data Structure to be included.
Glossary
Add to Filter Cart
Once queries are added to the Workspace and verified, the next step is to submit them to the Filter Cart.
Clear Selections
The Clear Selections button allows you to remove selections that you made prior to adding them to your
Workspace. It does not clear your Workspace, Filter Cart, or search results.
Data from Labs is an inventory of all NDA Collections. Each NDA Collection contains data from one grant or
project. The Data from Labs tool is a data browser where you can search and filter NDA Collections and then
select to add one or multiple NDA Collections to your Workspace. Identify NDA Collections of interest by
filtering for Submission Status, Funding Source, Organization, Permission Group and NIH Research
Initiative. Each NDA Collection tile contains charts with numbers of shared subjects by sex, age, and data
type. Data type is broken down by imaging (such as neurosignal recordings), omics, and clinical data.
All selections in the Data from Labs tab will run an 'OR' condition in the NDA database. Subjects with
data in any of the selections will be included in the Filter Cart.
Frequently Asked Questions
What is an NDA Collection?
An NDA Collection is a virtual container of data that is stored in the NIMH Data Archive (NDA). NDA
Collections are the primary method of organizing data in NDA and are created and organized based on funding
source/grant, project, and laboratory. They provide useful tools to manage submission projects and allow
investigators to define a wide array of other elements that provide context for their data, including all
general information regarding the data and source project, experimental parameters used to collect any
event-based data, methods, and other supporting documentation.
NDA Collections also allow investigators to link underlying data to an NDA Study, defining populations and
subpopulations specific to the aims of the research project. NDA Collections are grouped in one or more
research clusters, or data repositories, for granting data access.
How does the Text Search work in Data from Labs?
The Text Search function allows easy search and filter capabilities by typing text into the Text Search
box. To return desired search results, type the word(s) that describes a Title, Description, Investigator,
Organization, etc., and hit the enter key to immediately see results below. To search by a specific NDA
Collection number, type the search into the Text Search box with the following format: id:xxxx where xxxx
is the NDA Collection number, e.g., id:2026. From there, you can select the relevant boxes next to the
desired results and click ‘Add to Workspace’.
How do Filters work in Data from Labs?
Filtering data is a useful way to display only the results you want to extract from a large dataset. By
selecting one or more NDA Collections and adding them to your Filter Cart, you can access the data more
precisely and prepare for download. In the Data from Labs tab, conditions are set in the search boxes,
using the drop-down menus to narrow down the results.
Glossary
Submission Status
Submitting Data: refers to the specific NDA Collection that is still in the process of actively
submitting data to NDA.
Submissions Completed: refers to each NDA Collection that has completed all expectations of data
submission.
Funding Source
Funding Source is a company, agency, foundation or institute, that provides money for the purpose of conducting
research. Most research data shared within NDA is federally funded. NIH funding includes intramural, extramural
and contracts. Also, NDA accepts data from privately funded organizations, such as the Stanley Medical
Foundation and other federal agencies, like Department of Defense.
Collection
NDA Collections are virtual containers for data located on the NDA website and are the primary method of
organizing data in NDA. They are created by NDA and organized on the basis of source grant, project, and
laboratory. NDA Collections provide tools useful in managing submission projects and allow investigators to
define a wide array of other elements that provide context for their data, including all general information
regarding the data and source project, experimental parameters used to collect any event-based data contained
in the Collection, methods, and other supporting documentation.
Sort By
Data on this page can be sorted by NDA Collection Creation Date, Collection ID (Identification Number), or
Submission Status in either Ascending or Descending rank.
Organization
The research institution affiliated with the grant or principal investigator of the project.
Principal Investigator
The individual(s) designated by the applicant organization that has the responsibility and proper level of
authority to direct the project or program supported by the award. The applicant organization may designate
multiple individuals as program directors/principal investigators (PD/PIs) who share the authority and
responsibility for leading and directing the project, intellectually and logistically.
Data Source
Data Source defines the affiliation of the data. It represents the data repository (sometimes referred to as a
permission group) and the affiliation with a selected consortia.
NIH Research Initiative
NDA Collections may be organized by scientific similarity into NIH Research Initiatives, to facilitate query
tool user experience. NIH Research Initiatives map to one or multiple Funding Opportunity Announcements.
Permission Group
Access to shared record-level data in NDA is provisioned at the level of a Permission Group. NDA Permission
Groups consist of one or multiple NDA Collections that contain data with the same subject consents.
Data Use Limitations
Data Use Limitations (DULs) describe the appropriate secondary use of a dataset and are based on the original
informed consent of a research participant. NDA only accepts consent-based data use limitations defined by
the NIH Office of Science Policy.
