mms: add lecture

2 files changed, 95 insertions, 0 deletions

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