QUESTION 1
The two examples of measures to evaluate the performance of a classifier in a matrix are
Sentiments and Recall measures
Precision and Emoticons measures
Precision and Recall measures
Sentiments and Emoticons measures
2 points
QUESTION 2
The four deliverables to satisfy the needs of various stakeholders are:
A presentation for a project vendor, A presentation for an analytical audience, Technical specification documents, and Well-annotated production code
A presentation for a project sponsor, A presentation for an analytical data, Technical specification documents, and Well-annotated production code
A presentation for a project sponsor, A presentation for an analytical audience, Technical specification values, and Well-annotated production code
A presentation for a project sponsor, A presentation for an analytical audience, Technical specification documents, and Well-annotated production code
2 points
QUESTION 3
Emoticons helps to easily detect sentiments of ____________________
Simple tweets in lesser structure
Mulitiple tweets in basic lesser structure
Simple tweets in millions or less
Multiple tweets in millions or more
2 points
QUESTION 4
What is the function of external libraries such as MADlib?
can be used by nonSQL to read and write within a database
can be used by nonSQL to identify redundant values within a database
can be used by SQL to conduct non-statistical analyses within a database
can be used by SQL to conduct statistical analyses within a database
2 points
QUESTION 5
One of the merit of an ARIMA modeling is that?
the analysis are based on static data for the variable of interest.
the analysis are based on non-static data for the variable of interest.
the analysis are based on non-historical time series data for the variable of interest.
the analysis are based on historical time series data for the variable of interest.
2 points
QUESTION 6
HBase as a NoSQL (Not only Structured Query Language) maintains recent changes in the memory to ensure?
the availability of the alphanumerical latest data
the availability of the non-alphanumerical latest data
the real-time availability of the latest data
the real-time availability of the previous data
2 points
QUESTION 7
Why is Time series analysis different from other statistical techniques?
because some non-statistical analyses assume the observations are independent of each other.
because most statistical analyses assume the observations are independent of each other.
because some data models assume the observations are dependent of each other.
because some data models assume the observations are independent of all atrributes.
2 points
QUESTION 8
What is the best option for real-time processing that includes read and writes?
Apache HBase
MapReduce Logic
Pig and Hive
Hadoop Distributed File System
2 points
QUESTION 9
The complexity of SQL queries uses ________________ to compute values such as _________________ with original dataset.
Window functions and media values
Window functions and rolling averages
Table functions and media values
Table functions and dynamic values
2 points
QUESTION 10
Kalman filtering is useful with the following except?
analyze real-time inputs about a system that can exist in certain states.
uses an underlying model of how the various components of the system interact
addresses time series with nonconstant variance or volatility.
processes the various inputs, identify the errors, and predicts the current state.
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