How do you use lambda in python?

100

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What is the difference between kmeans clustering and hierarchical clustering?

117

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What is the difference between supervised and unsupervised methods?

121

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What is a z test, chi square test, f test and t test?

118

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What packages are used for data mining in python and r?

101

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What are roles in cqlsh?

55

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what is gossip protocol?

53

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What are snapshots and how do you create one in cassandra?

40

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What is the use of coordinator node in read?

56

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Explain the different logging levels in cassandra.

51

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What are clusters in cassandra?

42

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What is network topology strategy?

48

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How is a keyspace created in cassandra? & What are the parameters used?

62

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What is graph db?

54

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How is a keyspace created in cassandra?

65

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