Question: If df is a DataFrame, what does len ( df ) return? the number of columns in df the number of rows in df the

If df is a DataFrame, what does len(df) return?
the number of columns in df
the number of rows in df
the number of rows and columns in df
the number of cells in df

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Help please! Assiqnment Instructions: Read each step's instructions carefully before you write any code. In this assignment, you'll create the basic parts of a spreadsheet application. Most of the...

Q:

home / study / engineering / computer science / computer science questions and answers / so i know what the adjacency matrix does, but i am stuck on how to implement to check to see ... Question: So...

Q:

lin_0912.h: the matrix class #ifndef MATRIX_H #define MATRIX_H #include #include #include #include #include /** * A generic 2-dimensional array class * @author Jon Beck * @version 8 September 2017 */...

Q:

So I have errors that I need help fixing for c++11. This deals with undirected graph in the format of adjacency matrix. prompt: Write a C++ 11 function named is_connected() to determine whether an...

Q:

This wasn't answered properly the first or second time, so I'm trying again. (This project is written in C) Essentially, use the ten functions at the bottom to convert a ppm to a pgm. Please be sure...

Q:

Project text: Essentially convert a color image to a greyscale one (ppm to pgm). Your job is to convert a color image in ppm format into a grayscale image in pgm format. The pgm format is similar to...

Q:

Digital Orrery - All the files (write-up, Processing main program, and Java class files that you need to modify) are attached. Please place all your files in a single directory, zip it up....

Q:

Digital Orrery - All the files (write-up, Processing main program, and Java class files that you need to modify) are attached. Please place all your files in a single directory, zip it up....

Q:

Hey, need help finishing this project. Neccesary text attatched. Project text: Essentially convert a color image to a greyscale one (ppm to pgm). Your job is to convert a color image in ppm format...

Q:

Assignment 4 In this assignment you will be using the dataset released by The Department of Transportation. This dataset lists flights that occurred in 2015, along with other information such as...

Q:

Trenton worked on four jobs during its first year of operation: nos. 401, 402, 403, and 404. A review of job no. 403's cost record revealed direct material charges of $40,000 and total manufacturing...

Q:

The number N (in thousands) of cellular phone subscribers in Malaysia is shown in the table. (Midyear estimates are given.) (a) Find the average rate of growth (i) From 1995 to 1997 (ii) From 1995 to...

Q:

Studies conducted by a manufacturer of Boston and Vermont asphalt shingles have shown product weight to be a major factor in customers perception of quality. Moreover, the weight represents the...

Q:

5. Develop a scenario comparing two PH programs and involving the use of a CBA.

Q:

8. Weigh the evidence and consider the burden of proof and the levels of proof. Be the arbitrator and support your decision. This matter of arbitration stems from an indictment of Thomas Allen for...

Q:

1. Explain the principle of nexus as it applies to off-duty misconduct. How does it apply in this case? This matter of arbitration stems from an indictment of Thomas Allen for one count of arson...

Q:

3. How much weight should be given to the following: a. Mr. Comos testimony that he did not make the decision to remove Allen b. Ms. Balks testimony that Mr. Allen has restored the burned cabin c....