search for: x_6

Displaying 4 results from an estimated 4 matches for "x_6".

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2012 Sep 05
2
Improvement of Regression Model
...n learning phase of R. I have developed Regression Model over six predictor variables. while development, i found my all data are not very linear. So, may because of this the prediction of my model is not exact. Here is the summary of model : Call: lm(formula = y ~ x_1 + x_2 + x_3 + x_4 + x_5 + x_6) Residuals: Min 1Q Median 3Q Max -125.302 -26.210 0.702 26.261 111.511 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 48.62944 0.27999 173.684 < 2e-16 *** x_1 -0.67831 0.08053 -8.423 < 2e-16 *** x_2 0.07...
2004 May 21
2
Help with Plotting Function
Dear List: I cannot seem to find a way to plot my data correctly. I have a small data frame with 6 total variables (x_1 ... x_6). I am trying to plot x_1 against x_2 and x_3. I have tried plot(x_2, x_1) #obviously works fine plot(x_3, x_1, add=TRUE) # Does not work. I keep getting error messages. I would also like to add ablines to this plot. I have experimented with a number of other plotting functions and I cannot...
2007 Nov 19
2
All nonnegative integer solution
Dear all, Is there any method in R to find all possible nonnegative integer solutions to the linear equation with unit coefficients as follow: X1+X2+...+Xk=N Thank you, Amin Zollanvari
2012 Mar 17
1
qtbase installation problems on MacOS
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