I know how to store the estimates but I don't know how to store their standard errors... Isn't that more expensive than an elevated system? Natural cubic splines with exactly one interior knot require the same number of parameters as an ordinary cubic polynomial, but are much better behaved at the extremes. 4.6 Other Options The In my example, the residual standard error would be equal to $\sqrt{76.57}$, or approximately 8.75.

Have you any idea how I can just output se? Using names() or str() can help here. All of these objects may be extracted using the $ operator. share|improve this answer answered Oct 26 '11 at 15:54 Dirk Eddelbuettel 6,44211436 Very true, accessors should be used preferably.

Error t value Pr(>|t|) (Intercept) 5.000e+00 2.458e-16 2.035e+16 <2e-16 *** xdata 1.000e+00 3.961e-17 2.525e+16 <2e-16 *** --- Signif. Join them; it only takes a minute: Sign up R: standard error output from lm object up vote 17 down vote favorite 4 We got a lm object from and want Why would a password requirement prohibit a number in the last character? Thanks!

See if this question provides the answers you need. [Interpretation of R's lm() output][1] [1]: stats.stackexchange.com/questions/5135/… –doug.numbers Apr 30 '13 at 22:18 add a comment| up vote 8 down vote Say more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed names(out) str(out) The simplest way to get the coefficients would probably be: out$coefficients[ , 2] #extract 2nd column from the coefficients object in out share|improve this answer edited May 22 '14 In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms

This stores the results of the fit for later examination. Is it possible to have a planet unsuitable for agriculture? Error t value Pr(>|t|) (Intercept) 5.00931 0.03087 162.25 <2e-16 *** x 2.98162 0.05359 55.64 <2e-16 *** --- Signif. R will prompt you to click on the graph window or press Enter before showing each plot, but we can do better.

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Value typically a number, the estimated standard deviation of the errors (“residual standard deviation”) for Gaussian models, and—less interpretably—the square root of the residual deviance per degree of freedom in more How do computers remember where they store things? Value the residual standard error as a scalar [Package lme4 version 0.999999-0 Index] / Courses GLMs Multilevel Survival Demography Tutorials Stata R / GLMs Multilevel Survival Demography Stata R Germán

setting 0.2706 0.1079 2.507 0.022629 * effort 0.9677 0.2250 4.301 0.000484 *** --- Signif. share|improve this answer answered Jun 19 '12 at 12:40 smillig 1,80832031 add a comment| up vote 8 down vote #some data x<-c(1,2,3,4) y<-c(2.1,3.9,6.3,7.8) #fitting a linear model fit<-lm(y~x) #look at the If you like natural cubic splines, you can obtain a well-conditioned basis using the function ns, which has exactly the same arguments as bs except for degree, which is always three. Error t value Pr(>|t|) > (Intercept) 0.005086 0.007834 0.649 0.552 > carb 0.876286 0.013535 64.744 3.41e-07 *** > --- > Signif.

R would output this information as "8.75 on 4 degrees of freedom". You don't have to create a variable representing the log of setting and then use it, R will create it 'on the fly', so you can type > lm( change ~ How to deal with players rejecting the question premise Game of Life, a shorter story "Rollbacked" or "rolled back" the edit? Related 0How to calculate p value from ANOVA function for LMM results?1Multiple objective allocation function1How to do contrasts with weighted observations in R's linear model function lm()2How do I obtain the

How do investigators always know the logged flight time of the pilots? If you are curious to see exactly what a linear model fit produces, try the function > names(lmfit) [1] "coefficients" "residuals" "effects" "rank" [5] "fitted.values" "assign" "qr" "df.residual" [9] "xlevels" "call" Solve and naming variables Sum of neighbours Is the NHS wrong about passwords? These include data to specify a dataset, in case it is not attached subset to restrict the analysis to a subset of the data weights to do weighted least squares and

Not the answer you're looking for? The restrictions mean that you save four degrees of freedom. Players stopping other player actions This riddle could be extremely useful Are there any rules or guidelines about designing a flag? Browse other questions tagged r linear-model or ask your own question.

The reference cell is always the first category which, depending on how the factor was created, is usually the first in alphabetical order. How do computers remember where they store things? regression standard-error regression-coefficients share|improve this question asked May 2 '12 at 6:28 Michael 5702919 marked as duplicate by chl♦ May 2 '12 at 10:54 This question has been asked before and Let us group family planning effort into three categories: > effortg = cut(effort, breaks = c(-1, 4, 14, 100), + label=c("weak","moderate","strong")) The function cut creates a factor or categorical variable.

There are many other ways to customize your graphs by setting high-level parameters, type ?par to learn more. The fact that R has powerful matrix manipulation routines means that one can do many of these calculations from first principles. Appease Your Google Overlords: Draw the "G" Logo How do I help minimize interruptions during group meetings as a student? EvenSt-ring C ode - g ol!f If Dumbledore is the most powerful wizard (allegedly), why would he work at a glorified boarding school?

output edited ... For example > fitted(lmfit) 1 2 3 4 5 6 7 8 -2.004026 5.572452 25.114699 21.867637 28.600325 24.146986 17.496913 10.296380 ... Determine if a coin system is Canonical Exploded Suffixes Is intelligence the "natural" product of evolution? Error t value Pr(>|t|) (Intercept) -14.4511 7.0938 -2.037 0.057516 .

output edited ... I can't seem to figure it out. potentially further arguments passed to and from methods. After smoothing I need > "Residual > > Standard Error" in my script.

In this case it will also print them, because we did not asign them to anything. (The longer form fitted.values is an alias.) To extract the coefficients use the coef function In this section I will use the data read in Section 3, so make sure the fpe data frame is attached to your current session. 4.1 Fitting a Model To fit Is intelligence the "natural" product of evolution? more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

You will probably want to use two of them to place additional knots at the extremes, but you can still save the other two. Why are so many metros underground? Error"] (Intercept) groupTrt 0.220218 0.311435 R> and the key is the coef() accessor for the summary object.