S
scheduled task
A scheduled task includes a trigger, task details, and an assigned action.
Related terms
action, campaign, stage, trigger, workflow
Scratchpad
A BIRT Analytics work area that supports temporary caching of multiple segments. Scratchpad also supports creating new fields based on segments or selections.
Related terms
Data Explorer, Data Tree, segment, selection
seasonal periodicity
A value indicating the number of periods in a cycle. Input a value for seasonal periodicity to initiate a forecast that predicts a seasonal pattern in a data set.
Related terms
Forecasting, Holt-Winters
seasonality
In a data set, a periodic trend that corresponds to monthly, quarterly, or semi-annual periods such as seasons.
Related terms
Forecasting, Holt-Winters
security role
A set of functionalities that an administrator uses to configure permissions in the BIRT Analytics system.
Related terms
BIRT Analytics Administration, functionalities, query, security filter
security filter
A type of query that an administrator uses to limit access to data in the BIRT Analytics system.
Related terms
BIRT Analytics, BIRT Analytics Administration, group, NetScaler Web Logging (NSWL) query
segment
A segment is a group of records sharing at least one common characteristic.
Related terms
record, selection
selection
A selection is a user-specified request that returns a segment from a database.
Related terms
record, segment
skewness
A value that reflects the distribution of values in a data set. Skewness values can be positive, zero, or negative. A positive value reflects a data set in which more values lie to the left of the mean value. A negative value reflects a data set in which more values lie to the right of the mean. A zero value indicates values distributed evenly around the mean, typically implying a symmetric distribution.
Related terms
kurtosis, mean
Sphere
A data visualization gadget that uses a colored sphere shape to display numeric values and boundaries in a range.
Related terms
Canvas, Cylinder, Dial, Funnel, gadget, Label, Meter
SQL (Structured Query Language)
A language used to access and process data in a relational database.
Related term
database
stage
A tool that supports defining users as task owners and assigning to each task owner the permissions required to perform tasks. Define a stage to identify part of a campaign.
Related terms
action, campaign, scheduled task, trigger, workflow
standard deviation
The value equal to the positive square root of variance calculated for a data set.
Related term
variance
standard normal distribution
The normal distribution in which the mean is zero and the standard deviation is one.
Related term
normal distribution
Standardize column
A tool for preprocessing data values having a distribution different from a standard normal distribution. Multiple options support value sets distributed closely, clustered, spread, or having many repeated values.
Related term
standard normal distribution
sum
The cumulated sum of all the values in a field.
Related term
sum‑of‑squares
sum‑of‑squares
The sum of all of the squared values in a set.
Related term
sum
support
An expression that calculates a ratio measuring how many transactions contain all items in an association rule. The support expression has the following syntax:
Support (A,B) = Transactions (A,B)/Total transactions
Related term
association rules