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french_rev: read the five datasets from data-lectures #826

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mmcky merged 1 commit into from
Aug 6, 2026
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french_rev: read the five datasets from data-lectures #826

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18 changes: 11 additions & 7 deletions lectures/french_rev.md
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Original file line number Diff line number Diff line change
Expand Up @@ -57,18 +57,20 @@ We use matplotlib to replicate several of the graphs with which {cite}`sargent_
## Data Sources

This lecture uses data from three spreadsheets assembled by {cite}`sargent_velde1995`:
* [datasets/fig_3.xlsx](https://github.com/QuantEcon/lecture-python-intro/blob/main/lectures/datasets/fig_3.xlsx)
* [datasets/dette.xlsx](https://github.com/QuantEcon/lecture-python-intro/blob/main/lectures/datasets/dette.xlsx)
* [datasets/assignat.xlsx](https://github.com/QuantEcon/lecture-python-intro/blob/main/lectures/datasets/assignat.xlsx)
* [fig_3.xlsx](https://github.com/QuantEcon/data-lectures/blob/main/lectures/fig_3.xlsx)
* [dette.xlsx](https://github.com/QuantEcon/data-lectures/blob/main/lectures/dette.xlsx)
* [assignat.xlsx](https://github.com/QuantEcon/data-lectures/blob/main/lectures/assignat.xlsx)

```{code-cell} ipython3
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from io import BytesIO
import requests
plt.rcParams.update({'font.size': 12})

base_url = 'https://github.com/QuantEcon/lecture-python-intro/raw/'\
+ 'main/lectures/datasets/'
base_url = 'https://github.com/QuantEcon/data-lectures/raw/'\
+ 'main/lectures/'

fig_3_url = f'{base_url}fig_3.xlsx'
dette_url = f'{base_url}dette.xlsx'
Expand Down Expand Up @@ -706,8 +708,10 @@ def fit(x, y):

```{code-cell} ipython3
# Load data
caron = np.load('datasets/caron.npy')
nom_balances = np.load('datasets/nom_balances.npy')
caron_response = requests.get(f'{base_url}caron.npy')
nom_balances_response = requests.get(f'{base_url}nom_balances.npy')
caron = np.load(BytesIO(caron_response.content))
nom_balances = np.load(BytesIO(nom_balances_response.content))
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infl = np.concatenate(([np.nan],
-np.log(caron[1:63, 1] / caron[0:62, 1])))
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