Loading Lavaan package

[VSan]

Hello,

I am new to R and have just installed R-studio. When I tried to load the lavaan package, below (1) is the message I get, but when I check whether it has loaded, below (2) is the error I get. Any help will be greatly appreciated. Thanks.

(1) The downloaded binary packages are in

/var/folders/dl/q0r8wxzx6m7d1bdtdh0b4ydm0000gp/T//RtmpK5l9NX/downloaded_packages

(2) Error: package or namespace load failed for ‘lavaan’ in get(method, envir = home):

 lazy-load database '/Library/Frameworks/R.framework/Versions/4.0/Resources/library/lavaan/R/lavaan.rdb' is corrupt

In addition: Warning messages:

1: In .registerS3method(fin[i, 1], fin[i, 2], fin[i, 3], fin[i, 4],  :

  restarting interrupted promise evaluation

2: In get(method, envir = home) :

  restarting interrupted promise evaluation

3: In get(method, envir = home) : internal error -3 in R_decompress1

[Hugo Harada]

Do you have R installed in your system?

https://www.r-project.org/  

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[Vinita Sangtani]

Yes, I have.

On Friday, 12 June 2020 18:36:12 UTC-4, Hugo Harada wrote:

Do you have R installed in your system?

https://www.r-project.org/  

Em sex., 12 de jun. de 2020 às 08:48, VSan <VSan...@gmail.com> escreveu:

Hello,

I am new to R and have just installed R-studio. When I tried to load the lavaan package, below (1) is the message I get, but when I check whether it has loaded, below (2) is the error I get. Any help will be greatly appreciated. Thanks.

(1) The downloaded binary packages are in

/var/folders/dl/q0r8wxzx6m7d1bdtdh0b4ydm0000gp/T//RtmpK5l9NX/downloaded_packages

(2) Error: package or namespace load failed for ‘lavaan’ in get(method, envir = home):

 lazy-load database '/Library/Frameworks/R.framework/Versions/4.0/Resources/library/lavaan/R/lavaan.rdb' is corrupt

In addition: Warning messages:

1: In .registerS3method(fin[i, 1], fin[i, 2], fin[i, 3], fin[i, 4],  :

  restarting interrupted promise evaluation

2: In get(method, envir = home) :

  restarting interrupted promise evaluation

3: In get(method, envir = home) : internal error -3 in R_decompress1

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[Yves Rosseel]

On 6/12/20 1:48 PM, VSan wrote:
> '/Library/Frameworks/R.framework/Versions/4.0/Resources/library/lavaan/R/lavaan.rdb'
> is corrupt

Reinstall lavaan. Then restart R/Rstudio.

If you still get the same message, choose a different CRAN server.

Yves.

[Vinita Sangtani]

Many thanks. That seems to make lavaan work. 

I am still unable to make my syntax work. I had saved the syntax from a previous attempt, so I'm not making any error, but the model will not run this time and it is recognizing my model syntax as filename instead of the model. So, the error is: 

Error in file(file, "r") : cannot open the connection

In addition: Warning message:

In file(file, "r") : cannot open file 'Purchase =~ ......(my model here).........: No such file or directory

Basically I'm following this syntax:

library(lavaan)

# specify the model

HS.model <- ' visual  =~ x1 + x2 + x3      

              textual =~ x4 + x5 + x6

              speed   =~ x7 + x8 + x9 '

# fit the model

fit <- cfa(HS.model, data=HolzingerSwineford1939)

# display summary output

summary(fit, fit.measures=TRUE)

[Vinita Sangtani]

Thanks a ton, Yves. The same trick to quit and restart R made it work :)