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Data Handling Interview Questions and Answers
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Data Handling
+1
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Q: When the content is very less, we can leverage _________ to display information.
asked
Feb 11, 2020
in
Data Handling
by
miceperry
DataHandling-questions-answers
+1
vote
Q: ___________ of two points is the average of the two points in Eucledian Space.
asked
Feb 3, 2020
in
Data Handling
by
MBarbieri
DataHandling-questions-answers
+1
vote
Q: The formula to calculate the weighted moving average of gradients concerning weights is _______________.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
DataHandling-questions-answers
0
votes
Q: Hidden layer must use activation function with a larger derivative.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#hidden-layer
DataHandling-questions-answers
0
votes
Q: What is the output of print(np.array([1,2,3]) * np.array([[1],[2],[3]]) )?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#print-output
DataHandling-questions-answers
+1
vote
Q: What is the output of print(np.dot([1,2,3],[[1],[2],[3]])?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#output-print
DataHandling-questions-answers
+1
vote
Q: Tensorflows GradientDescentOptimizer() function tries to maximize the cost while training the network.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#gradientdescentoptimizer
DataHandling-questions-answers
+1
vote
Q: If a shallow neural network has five hidden neurons with three input features what would be the dimension of bias matrix of hidden layer?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#shallow-neural-network
DataHandling-questions-answers
0
votes
Q: Parameters are initialized as variables in TensorFlow.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#parameter-initialization
DataHandling-questions-answers
0
votes
Q: In shallow neural network, number of rows in weight matrix for hidden layer is equal to number of nodes (neurons) in hidden layer.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#shallow-neural
DataHandling-questions-answers
+1
vote
Q: Input data is passed through placeholders in TensorFlow.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#tensorflow
DataHandling-questions-answers
+1
vote
Q: You are building a binary classifier for classifying output(y=1) vs. output(y=0). Which one of these activation functions would you recommend using for the output layer?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#binary-classifier
DataHandling-questions-answers
0
votes
Q: What is the equation for linear output of a hidden_layer in shallow neural network, if X is of shape (num_features, num_samples) and W is of shape(num_neurons, num_input)?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#linear-output
DataHandling-questions-answers
+1
vote
Q: What is the output of print(np.array([1,2,3]) * np.array([1,2,3]) )?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#output-array
DataHandling-questions-answers
+1
vote
Q: If layer_dims = [3,9,9,1], then the shape of weight vector for third layer is _____________.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#vector-weight
DataHandling-questions-answers
0
votes
Q: sigmoid_cross_entropy() function of tensorflow internally performs sigmoid activation for the final layer output.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
sigmoid-cross-entropy
#tensorflow
DataHandling-questions-answers
0
votes
Q: A vector of size (n,1) is called a row vector.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#vector-size
DataHandling-questions-answers
+1
vote
Q: In dot product the number of rows in first matrix must be equal to number of columns in second.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#dot-product
DataHandling-questions-answers
+1
vote
Q: What does it mean if derivatives of parameters with respect to cost is negative?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#derivatives-parameters
DataHandling-questions-answers
+1
vote
Q: A vector of size (n,1) is called a row vector.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#vector-size
DataHandling-questions-answers
0
votes
Q: Broadcasting in Python throws error when you try to add two vectors of shape(1,5) and (1,6).
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#python-output
DataHandling-questions-answers
+1
vote
Q: Which of the below formula is used to update weights while performing gradient descent?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#gradient-descent
DataHandling-questions-answers
+1
vote
Q: Cost is equal to average of sum of losses.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#average-cost
DataHandling-questions-answers
+1
vote
Q: For a single neuon network, if number of features is 5, then what would be the dimension of bias vector?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#single-neuon-network
DataHandling-questions-answers
+1
vote
Q: For a single neuron network, if number of features is 5 then what would be the dimension of weight vector.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#neuron-network
DataHandling-questions-answers
+1
vote
Q: What is the output range of Sigmoid function?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#sigmoid-function
DataHandling-questions-answers
+1
vote
Q: What is the output of print(np.array([1,2,3]) +1)?
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#output-array
DataHandling-questions-answers
0
votes
Q: data handling
asked
Sep 3, 2019
in
Data Handling
by
Robin
#datahandling
DataHandling-questions-answers
+1
vote
Q: If x and y are two tbls, which of the following joins return all rows from x and y irrespective of matching values?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: dplyr never prints row names since no dplyr method is guaranteed to preserve them.
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
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