In Pandas the function used to check for null values in a DataFrame is ..... -Technology

In Pandas the function used to check for null values in a DataFrame is ..... -Technology
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In Pandas the function used to check for null values in a DataFrame isisnull()
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...method in Pandas can be used to change the index of rows and columns of a Series or Dataframe : -Technology

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Consider the following dataframe, and answer the questions given below: -Technology

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Last Answer : (i) print(df.mean(axis = 1, skipna = True)) print(df.mean(axis = 0, skipna = True))(ii) print(df.sum(axis = 1, skipna = True))(iii) print(df.median())

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Last Answer : In a DataFrame, Axis= 1 represents thecolumn elements.

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Last Answer : i. classframe[‘Activity’]=[‘Swimming’,’Dancing ’,’Cricket’, ‘Singing’]ii. classframe.loc[‘St5’]=[1,’Mridula’, ‘X’, ‘F’, 9.8, ‘Science’]

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Description : Consider the following python code and write the output for statement S1 import pandas as pd -Technology

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Last Answer : Pivoting means to use unique values from specifiedindex/columns to form apex of the resulting dataframe.Pivot() and pivot_table() methods

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Last Answer : import pandas as pdm1=pd.Series([45,65,24,89],index=['term1','term2','t erm3','term4'])

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Description : A primary key value can be NULL. -Technology

Last Answer : False The primary key of table is used to uniquely identify each and every row in the table. So, its all keys and columns must be defined as NOT NULL.

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Last Answer : Correct option (d) None value

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Last Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL.

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Last Answer : Foreign keys can’t have null values

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Last Answer : True Memo data type allows upto 65536 characters.

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Description : Name the values that can be assigned to align attribute of tag. -Technology

Last Answer : The values that can be assigned to align attribute of tag are as follows:1. top2. bottom3. left4. right5. middle

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Last Answer : (a) The frame attribute contains 9 types of values.

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Description : Name any two values specified in frame attribute. -Technology

Last Answer : The values that can be specified for frame attribute are void and above.

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Description : How many values can be specified in rules attribute of tag? -Technology

Last Answer : There are total five values that can be specified for rules attribute.

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Description : Name the values that can be used in valign attribute. -Technology

Last Answer : The values that can be used in valign attribute are top, middle and bottom.

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Description : There are total………… values for rules attribute in tag. -Technology

Last Answer : There are total 5values for rules attribute in tag.

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Last Answer : XML attribute values should always be enclosed indouble quotes.

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Last Answer : In XML,attributescannot contain multiple values.

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Description : The values of the attributes are enclosed in double question marks. -Technology

Last Answer : False The values of the attributes are enclosed in double quotation marks.

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Last Answer : Formula for adding values of cells A1 to A5 would be =SUM(A1 : A5).

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Description : A chart is created on the basis of values in ……………… (a) mail merge -Technology

Last Answer : (c) A chart is a pictorial representation of data that created on the basis of values in a spreadsheet.

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Last Answer : The Source tool is used in spreadsheet that creates a growth series, wherein subsequent values follow an increasing or a decreasing geometric pattern.

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Description : Explain the various values associated with “scrolling” attribute of FRAME tag. -Technology

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Last Answer : (i) plt.bar(x,y)(ii) plt.show()

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Description : Write a numPy program to create a numPy array with all values as True printed 10 times. -Technology

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Description : What values will be displayed in JOptionPane when the following code is executed? -Technology

Last Answer : No value will be displayed in JOptionPane because it will give exception in thread ‘main’ due to null.

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Description : What will be the values of i and z after the following code is executed : -Technology

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Description : Using Python Matplotlib ...... can be used to count how many values fall into each interval a. line plot b. bar graph -Technology

Last Answer : (c)histogram

Cconsider two objects x and y. x is a list whereas y is a Series. Both have values 20, 40,90, 110. What will be the output of the following -Technology

Description : Cconsider two objects x and y. x is a list whereas y is a Series. Both have values 20, 40,90, 110. What will be the output of the following -Technology

Last Answer : (a). will give the output as:[20,40,90,110,20,40,90,110](b). will give the output as:Justification: In the first statement x represents a list so when a list is multiplied by a number, ... series. When a series is multiplied by a value, then each element of the series is multiplied by that number.