Spaces:
Runtime error
Runtime error
Elizabethcaar
commited on
Commit
•
53d259a
1
Parent(s):
d651670
Create act2
Browse files
act2
ADDED
@@ -0,0 +1,54 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import streamlit as st
|
2 |
+
import numpy as np
|
3 |
+
import pandas as pd
|
4 |
+
import matplotlib.pyplot as plt
|
5 |
+
|
6 |
+
|
7 |
+
# Streamlit app layout
|
8 |
+
|
9 |
+
st.title("Paying insurance with my savings account 💼")
|
10 |
+
|
11 |
+
# Create the inputs (A, r, n)
|
12 |
+
|
13 |
+
A = st.number_input("How much do you want monthly?")
|
14 |
+
|
15 |
+
r = st.number_input("What is the interest rate?")
|
16 |
+
|
17 |
+
n = int(st.number_input("For how many months?", step = 1))
|
18 |
+
|
19 |
+
|
20 |
+
# Create the outputs
|
21 |
+
|
22 |
+
Pn_d = (A * 12 / r) * (1 - (1 / (1 + r/12)**n))
|
23 |
+
|
24 |
+
# Pn_c = (A / (np.exp(r/12) - 1)) * (1 - np.exp(- r * n / 12))
|
25 |
+
|
26 |
+
|
27 |
+
# Print the outputs
|
28 |
+
|
29 |
+
st.write(f"The value of P is {Pn_d:,.2f} with discrete model")
|
30 |
+
|
31 |
+
# st.write(f"The value of P is {Pn_c:,.2f} with continuous model")
|
32 |
+
|
33 |
+
|
34 |
+
# Draw the plot
|
35 |
+
|
36 |
+
cf_list = [-Pn_d] + [A] * n
|
37 |
+
cf_dict = pd.DataFrame({"cashflows": cf_list}).astype(float)
|
38 |
+
cf_df = st.dataframe(cf_dict.T)
|
39 |
+
|
40 |
+
# Prepare data for the plot
|
41 |
+
colors = ["green" if cf > 0 else "red" for cf in cf_dict.cashflows]
|
42 |
+
plt.scatter(range(n + 1), cf_dict.cashflows, c=colors)
|
43 |
+
plt.title("Cashflow Diagram")
|
44 |
+
plt.xlabel("Period")
|
45 |
+
plt.ylabel("Cashflow")
|
46 |
+
for i, cf in enumerate(cf_dict.cashflows):
|
47 |
+
plt.annotate(
|
48 |
+
f"{cf:,.2f}",
|
49 |
+
(i, cf),
|
50 |
+
textcoords="offset points",
|
51 |
+
xytext=(0, n),
|
52 |
+
ha="center",
|
53 |
+
)
|
54 |
+
st.pyplot(plt)
|