From 7b21727285e50b0b050c4ddd70d07542229c5366 Mon Sep 17 00:00:00 2001 From: pants Date: Mon, 21 Sep 2026 14:17:03 -0700 Subject: init --- python/atms-310/midterms/midterm2.py | 63 ++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100755 python/atms-310/midterms/midterm2.py (limited to 'python/atms-310/midterms/midterm2.py') diff --git a/python/atms-310/midterms/midterm2.py b/python/atms-310/midterms/midterm2.py new file mode 100755 index 0000000..fd3405a --- /dev/null +++ b/python/atms-310/midterms/midterm2.py @@ -0,0 +1,63 @@ +import pandas as pd +import numpy as np +import scipy.stats as s + +# 1a. +fileobj = open("./mt2_datafile.txt", "r") + +# 1b. +datai = fileobj.readlines() +datam = datai[0] +dataf = datam.split(',') +print(dataf) + +# 1c. +dataa = np.array(dataf) +dataa = np.reshape(dataf,(3,7)) +print(dataa) + +# 1d. +for n in range(len(dataf)): + dataf[n] = int(dataf[n]) +print(dataf) + +print(np.mean(dataf)) +print(np.median(dataf)) +print(np.std(dataf)) +print(s.iqr(dataf)) + +# mean and median are close, no outliers +# stddev is quite small, suggesting consistent data +# iqr is larger than stddev, so the middle is more spread out than the rest (??? perhaps ???) + +# 2a. +students = {"name": ["garrus vakarian", "matilda bradbury", "cordelia vorkosigan", "kira nerys", "Jean-Luc Picard"],\ + "credits": [37,43,36,23,50], "GPA": [3.2,4.0,3.7,3.6,3.4], "Hometown": ["Palaven", "Whitestone","Vashnoi",\ + "Dahkur", "La Barre"]} + +# 2b. +# fyi: sdt stands for "superior data type" +sdt = pd.DataFrame(students) +print(sdt) +# beautiful. incredible. just amazing. + +# 2c. +sdt.set_index("name",inplace=True) + +# 2d. +print("kira's GPA:" + str(sdt.loc["kira nerys","GPA"])) + +# 2e. +sdt.loc["matilda bradbury","credits"] = 44 +print(sdt) + +# 2f. +print(sdt.credits.describe()) +print(sdt.GPA.describe()) + +# 2g. + +height = [10,23,-1,43,100] + +sdt["height (in meters)"] = height +print(sdt) -- cgit v1.2.3