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This quiz contains multiple-choice problems on pandas, time deltas, Python plotting, data structures and computational tools.
Numeric reduction operation for timedelta64[ns] will return __ objects.
Timeseries
Timeplus
Timedelta
None of the above
Which of the following scalars can be converted to other ‘frequencies’ by typing a specific timedelta type?
Timedelta Series
TimedeltaIndex
Timedelta
All of the above
The combination of TimedeltaIndex with DatetimeIndex allows certain combination operations that are NaT preserving. True or false?
True
False
Using __ on categorical data will produce a similar output to a Series or DataFrame type string.
.desc()
.describe()
.rank()
None of the above
Which of the following methods can be used to rename categorical data?
Categorical.rename_categories()
Categorical.rename()
Categorical.mv_categories()
None of the above
All values of categorical data are either in categories or np.nan. True or false?
True
False
The plot method on Series and DataFrame is just a simple wrapper around
gplt.plot()
plt.plot()
plt.plotgraph()
None of the above
Point out the correct combination with regards to kind keyword for graph plotting.
‘hist’ for histogram
‘box’ for boxplot
‘area’ for area plots
All of the above
You can create a scatter plot matrix using the __ method in pandas.tools.plotting.
sca_matrix
scatter_matrix
DataFrame.plot
All of the above
Point out the wrong combination with regards to kind keyword for graph plotting.
‘scatter’ for scatter plots
‘kde’ for hexagonal bin plots
‘pie’ for pie plots
None of the above
Which of the following plots are used to check if a data set or time series is random?
Lag
Random
Lead
None of the above
Plots may also be adorned with error bars or tables. True or false?
True
False
Which of the following plots are often used in checking the randomness in time series?
Autocausation
Autorank
Autocorrelation
None of the above
Which of the following operations are supported by time frames?
idxmax
ixmax
ixmin
None of the above
Which of the following is used to generate an index with timedelta?
TimeIndex
TimedeltaIndex
LeadIndex
None of the above
