sudo yum install -y python34-setuptools
sudo easy_install-3.4 pip
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set.seed(567) | |
# Sample of 30 (29 from the Poisson distribution and an outlier of 260) | |
sample1 <- c(rpois(29, lambda = 220), 260) | |
# Sample of 10 (9 from the Poisson distribution and an outlier of 260) | |
sample2 <- c(rpois(9, lambda = 220), 260) |
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# Defining lambda and n | |
lambda <- 220 | |
n <- 30 | |
# Calculating SEM | |
sem <- sqrt(lambda / n) |
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require(ggplot2); require(gridExtra) | |
# Set the colours for the graphs | |
barfill <- "#4271AE" | |
barlines <- "#1F3552" | |
line1 <- "black" | |
line2 <- "#FF3721" | |
# Plotting histogram of sample of daily page views | |
g1 <- ggplot(data=as.data.frame(sample), aes(sample)) + |
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av_peds_2 <- ddply(p.subset, c("date", "collapsed_sensors_2"), summarise, | |
n_peds = sum(Hourly_Counts)) | |
# Extract weekday versus weekend | |
av_peds_2$day <- weekdays(av_peds_2$date, abbreviate = FALSE) | |
av_peds_2$weekend <- ifelse((av_peds_2$day == "Saturday" | av_peds_2$day == "Sunday"), | |
"Weekend", "Weekday") | |
av_peds_2$weekend <- as.factor(av_peds_2$weekend) | |
# Extract time of day |
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library(ggplot2); library(gridExtra) | |
g1 <- ggplot(data=mtcars, aes(x=wt, y=mpg)) + | |
geom_point(alpha = 0.7, colour = "#0971B2") + | |
ylab("Miles per gallon") + | |
ylim(10, 35) + | |
xlab("Weight (`000 lbs)") + | |
ggtitle("Untransformed Weight") + | |
geom_vline(xintercept = 0) + | |
theme_bw() |
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mtcars$am.f <- as.factor(mtcars$am); levels(mtcars$am.f) <- c("Automatic", "Manual") | |
mtcars$cyl.f <- as.factor(mtcars$cyl); levels(mtcars$cyl.f) <- c("4 cyl", "6 cyl", "8 cyl") | |
mtcars$vs.f <- as.factor(mtcars$vs); levels(mtcars$vs.f) <- c("V engine", "Straight engine") | |
mtcars$gear.f <- as.factor(mtcars$gear); levels(mtcars$gear.f) <- c("3 gears", "4 gears", "5 gears") | |
mtcars$carb.f <- as.factor(mtcars$carb) |
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# Create a new repository on the command line | |
touch README.md | |
git init | |
git add README.md | |
git commit -m "first commit" | |
git remote add origin https://github.com/c0ldlimit/vimcolors.git | |
git push -u origin master | |
# Push an existing repository from the command line |
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#!/usr/bin/python | |
# | |
# This script fetches the current open tabs in all Safari windows. | |
# Useful to run remotely on your mac when you are at work and want | |
# to read a page you have open (remotely) at home but don't remember | |
# the url but can log in to your home system on the cmmand line | |
# | |
import sys | |
from pprint import pprint |
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import numpy as np | |
import pandas as pd | |
from sklearn import datasets, linear_model | |
def metrics(m,X,y): | |
yhat = m.predict(X) | |
print(yhat) | |
SS_Residual = sum((y-yhat)**2) | |
SS_Total = sum((y-np.mean(y))**2) | |
r_squared = 1 - (float(SS_Residual))/SS_Total |
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