search for: smartguy3k

Displaying 7 results from an estimated 7 matches for "smartguy3k".

2011 Aug 29
2
Problem in writing a R data frame to Excel format using RODBC package
Hi Experts, I was trying to write a data frame which has a header row, from R to Excel disk file using RODBC ( RODBC_1.3-1) package. I met with an issue:- If in sqlSave(), I set a parameter "colnames=FALSE" then I get first row as header in excel file. If 'colnames=TRUE' then it gives me first 2 rows as header in excel file. Actually, according to my
2011 Nov 23
2
SPSS F-test on change in R square between hierarchical models
...tively, if someone knows how I can calculate the test statistic (SPSS calls it F-change?) and dfs that would be helpful as well. The output and the test I am looking for is available here -> http://dl.dropbox.com/u/1501309/spss_rsquared.pdf Chris On Wed, Nov 23, 2011 at 6:20 AM, Smart Guy <smartguy3k@gmail.com> wrote: > Hi All, > I was adding a new row of data to my data frame using rbind(). I > was surprised to see that after adding new row, I lost my data frame level > attibute as well as col level attribute. Please help me to insert a new > row at frist or middl...
2011 Oct 31
1
Get missinfg values with dataframe using read.spss
Hi All, Here is my problem. I need to get data frame (and not a list) while reading spss file using read.spss. For which I can put one parameter of read.spss as to.data.frame=TRUE. Now in doing so, I dont get missing values. Is there a way to get missings values along with data frame? Thanks in advance. -- SG [[alternative HTML version deleted]]
2011 Nov 23
1
Losing custom attributes
Hi All, I was adding a new row of data to my data frame using rbind(). I was surprised to see that after adding new row, I lost my data frame level attibute as well as col level attribute. Please help me to insert a new row at frist or middle position so that my custom attribute is not lost. Here is what I did. age<-c(15,20,18) weight<-c(40,42,30) ### creating my data frame
2011 Oct 04
3
The use of period in function names and variable names
Hi, I am looking for some guidance on whether I can use the period(.) in function names and variable names. For example: my.function.name <- function(my.data.variable, my.radius, my.another.var, my.value = 10) { } Will this pose any problems regarding older and current version of R. -- SmartG [[alternative HTML version deleted]]
2011 Oct 29
1
Add col in data.frame
Hello Gurus, I am still new to R. Here is my issue. I was trying to add column to data frame that was populated by read.spss(). When I used cbind to add a new variable(column). library(foreign) mydf<-read.spss(file="C:/myspss.sav",use.value.labels=FALSE, to.data.frame=TRUE,use.missings=FALSE) attr(mydf,"variable.labels") ## it gives you all the labels
2011 Oct 11
4
need help on read.spss
Hi, I have one doubt about one of the parameter of 'read.spss()' from 'foreign' package. Here is the syntax :- read.spss ( file, use.value.labels = TRUE, to.data.frame = FALSE, max.value.labels = Inf, trim.factor.names = FALSE, trim_values = TRUE, reencode = NA, use.missings = to.data.frame ) In above syntax when I pass *'to.data.frame=