`Pandas` DataFrames - Answer Key

Authors

Noor Sohail

Will Gammerdinger

Published

March 15, 2026

Exercise 1

Print the last 6 lines of the metadata data frame using tail() function.

metadata.tail()

	genotype	celltype	replicate
sample8	Wt	typeB	2
sample9	Wt	typeB	3
sample10	KO	typeB	1
sample11	KO	typeB	2
sample12	KO	typeB	3

A followup question to question #1
…

Exercise 2

A question to evaluate Learning Objective 2
A followup question to question #1
…

Exercise 3

A question to evaluate Learning Objective 3
A followup question to question #1
…

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CC-BY-4.0

---
title: "`Pandas` DataFrames - Answer Key"
author:
  - Noor Sohail
  - Will Gammerdinger
date: "2026-03-15"
license: "CC-BY-4.0"
editor_options: 
  markdown: 
    wrap: 72
---

```{r}
#| label: load_libraries_data
#| echo: false
# Load libraries and data

# Interfacing with R quarto and python futzing
library(reticulate)
use_condaenv("/opt/anaconda3/envs/intro_python", required = TRUE)
```

```{python}
#| label: load_libraries_data_py
#| echo: false
# Load libraries and data
import pandas as pd
metadata = pd.read_csv("data/mouse_exp_design.csv")
```

# Exercise 1

1. Print the last 6 lines of the metadata data frame using `tail()` function.

```{python}
#| label: exercise_1
metadata.tail()
```


2. A followup question to question #1

3. ...

# Exercise 2

1. A question to evaluate Learning Objective 2

2. A followup question to question #1

3. ...

# Exercise 3

1. A question to evaluate Learning Objective 3

2. A followup question to question #1

3. ...