【处理分析】以下哪种操作可以实现对身高降序排序?( ) A: data.sort_values(by='身高',ascending=False) B: data.sort_values(by='身高',ascending=True) C: data.sort_values(by=身高,ascending=False) D: data.sort_values(by=['身高'],ascending=[True])
【处理分析】以下哪种操作可以实现对身高降序排序?( ) A: data.sort_values(by='身高',ascending=False) B: data.sort_values(by='身高',ascending=True) C: data.sort_values(by=身高,ascending=False) D: data.sort_values(by=['身高'],ascending=[True])
The original data values cannot be determined once they are grouped into a frequency distribution table.
The original data values cannot be determined once they are grouped into a frequency distribution table.
A(n) ______ is a specific set of data values along with a set of operations on those values.
A(n) ______ is a specific set of data values along with a set of operations on those values.
Which is used to store and process a set of values, all of the same data type, that forms a logical group? A: data structure B: array C: primitive data type D: atomic data type
Which is used to store and process a set of values, all of the same data type, that forms a logical group? A: data structure B: array C: primitive data type D: atomic data type
完成上述3题选择所需的操作，其中不包括 A: Data ⟶ Sort Cases B: Data ⟶ Restructure C: Transform ⟶ Compute Variable D: Data ⟶ Merge Files E: Data ⟶ Select Cases
完成上述3题选择所需的操作，其中不包括 A: Data ⟶ Sort Cases B: Data ⟶ Restructure C: Transform ⟶ Compute Variable D: Data ⟶ Merge Files E: Data ⟶ Select Cases
A relative frequency distribution describes the proportion of data values that fall within each category.
A relative frequency distribution describes the proportion of data values that fall within each category.
True or False: The original data values cannot be determined once they are grouped into a frequency distribution table.
True or False: The original data values cannot be determined once they are grouped into a frequency distribution table.
中国大学MOOC: Which of the following visual aids is the best to present numerical data and standardized values for reference?
中国大学MOOC: Which of the following visual aids is the best to present numerical data and standardized values for reference?
A set of values that have the same data type is referred to as（ ）. A: Relationship B: Properties C: Component D: Domain
A set of values that have the same data type is referred to as（ ）. A: Relationship B: Properties C: Component D: Domain
values = ['2019Q4']frame = pd.DataFrame(data, pd.PeriodIndex(values, freq='M'))print(frame)输出的时间索引值是： A: 2019-10 B: 2019-12-31 C: 2019-12 D: 2019-10-1
values = ['2019Q4']frame = pd.DataFrame(data, pd.PeriodIndex(values, freq='M'))print(frame)输出的时间索引值是： A: 2019-10 B: 2019-12-31 C: 2019-12 D: 2019-10-1