From 7b044ffe0f6e3c811850387a721704963012c90f Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Fri, 10 Dec 2021 16:30:50 +0100
Subject: mms: add lecture

---
 Year_3/MMS/UStemps.txt        | 57 +++++++++++++++++++++++++++++++++++++++++++
 Year_3/MMS/lecture_20211202.m | 38 +++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 Year_3/MMS/UStemps.txt
 create mode 100644 Year_3/MMS/lecture_20211202.m

diff --git a/Year_3/MMS/UStemps.txt b/Year_3/MMS/UStemps.txt
new file mode 100644
index 0000000..1ae1ec1
--- /dev/null
+++ b/Year_3/MMS/UStemps.txt
@@ -0,0 +1,57 @@
+City	JanTemp	Lat	Long
+Mobile, AL	44	31.2	88.5
+Montgomery, AL	38	32.9	86.8
+Phoenix, AZ	35	33.6	112.5
+Little Rock, AR	31	35.4	92.8
+Los Angeles, CA	47	34.3	118.7
+San Francisco, CA	42	38.4	123.0
+Denver, CO	15	40.7	105.3
+New Haven, CT	22	41.7	73.4
+Wilmington, DE	26	40.5	76.3
+Washington, DC	30	39.7	77.5
+Jacksonville, FL	45	31.0	82.3
+Key West, FL	65	25.0	82.0
+Miami, FL	58	26.3	80.7
+Atlanta, GA	37	33.9	85.0
+Boise, ID	22	43.7	117.1
+Chicago, IL	19	42.3	88.0
+Indianapolis, IN	21	39.8	86.9
+Des Moines, IA	11	41.8	93.6
+Wichita, KS	22	38.1	97.6
+Louisville, KY	27	39.0	86.5
+New Orleans, LA	45	30.8	90.2
+Portland, ME	12	44.2	70.5
+Baltimore, MD	25	39.7	77.3
+Boston, MA	23	42.7	71.4
+Detroit, MI	21	43.1	83.9
+Minneapolis, MN	2	45.9	93.9
+St. Louis, MO	24	39.3	90.5
+Helena, MT	8	47.1	112.4
+Omaha, NE	13	41.9	96.1
+Concord, NH	11	43.5	71.9
+Atlantic City, NJ	27	39.8	75.3
+Albuquerque, NM	24	35.1	106.7
+Albany, NY	14	42.6	73.7
+New York, NY	27	40.8	74.6
+Charlotte, NC	34	35.9	81.5
+Raleigh, NC	31	36.4	78.9
+Bismarck, ND	0	47.1	101.0
+Cincinnati, OH	26	39.2	85.0
+Cleveland, OH	21	42.3	82.5
+Oklahoma City, OK	28	35.9	97.5
+Portland, OR	33	45.6	123.2
+Harrisburg, PA	24	40.9	77.8
+Philadelphia, PA	24	40.9	75.5
+Charleston, SC	38	33.3	80.8
+Nashville, TN	31	36.7	87.6
+Amarillo, TX	24	35.6	101.9
+Galveston, TX	49	29.4	95.5
+Houston, TX	44	30.1	95.9
+Salt Lake City, UT	18	41.1	112.3
+Burlington, VT	7	45.0	73.9
+Norfolk, VA	32	37.0	76.6
+Seattle, WA	33	48.1	122.5
+Spokane, WA	19	48.1	117.9
+Madison, WI	9	43.4	90.2
+Milwaukee, WI	13	43.3	88.1
+Cheyenne, WY	14	41.2	104.9
\ No newline at end of file
diff --git a/Year_3/MMS/lecture_20211202.m b/Year_3/MMS/lecture_20211202.m
new file mode 100644
index 0000000..0e56243
--- /dev/null
+++ b/Year_3/MMS/lecture_20211202.m
@@ -0,0 +1,38 @@
+f = @(x) x.^2;
+x = 0:0.1:2;
+y = f(x);
+integral(f, 0, 1);
+
+g = @(x) exp(-2 * x.^2);
+integral(g, 1, inf);
+
+% ---
+
+load fish;
+price70 = table2array(fish(:, 2));
+xbar = mean(price70);
+s = std(price70);
+
+% Normal function
+f = @(x) (1/s/sqrt(2*pi))*exp(-(x-xbar).^2/(s^2)/2);
+
+integral(f, xbar, inf); % 0.5000
+
+x = (xbar- 100):1.0:(xbar+100);
+y = f(x);
+
+% Integrated normal function
+yy = normpdf(x, xbar, s);
+
+% Plots are the same
+% plot(x, yy, 'o', x, yy, '+')
+
+ustemps = readtable("UStemps.txt");
+jantemps = table2array(ustemps(:, 2));
+
+% normrnd(0, 1);
+
+tbar = mean(jantemps);
+ds = std(jantemps);
+
+norminv(0.5, tbar, ds); % with 0.5 you have the mean
\ No newline at end of file
-- 
cgit v1.2.3-18-g5258