ldpred | Python based software package that adjusts GWAS
kandi X-RAY | ldpred Summary
kandi X-RAY | ldpred Summary
LDpred is a Python based software package that adjusts GWAS summary statistics for the effects of linkage disequilibrium (LD). The details of the method is described in Vilhjalmsson et al. (AJHG 2015) [
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Top functions reviewed by kandi - BETA
- Perform Coordinate Coordinates
- Verify the coordination data
- Filter the coordinate data
- Writes coordinate data to HDF5 file
- Run LDpred on a given HDFred distance matrix
- Calculate the LDAP probability distribution using a posterior distribution
- Returns the sample size of the LDAPred distribution
- Get constant value
- Calculate the risk score for each phenotype
- Creates a score file containing only the polygenic effects
- Get the phenotypes from a genotype file
- Parse the covariates file
- Parse pcs file
- Convenience wrapper for get_ld_dict
- Get the parameter type from a hdf5 file
- R Return the status of SNPs in the given position
- Shrinks r2 matrix r
- Parse the lpred results file
- Calculate polygenic risk score
- Wrapper function for LDAP - infering
- Parse a phenotypes file
- Parse summary stats from hdf5 file
- Run LDAP fast using LDAP
- Write the parameter data in the coordinated file
- Parse a PTRES file
- Count the number of lines in a file
ldpred Key Features
ldpred Examples and Code Snippets
Community Discussions
Trending Discussions on ldpred
QUESTION
I have a rather long loop in R that I am trying to use in order to align two data frames (dosage
and ldpred
) by the values they have in specific columns. I'll apologise in advance for the wall of text that's going to follow, but it feels like a fairly complex thing (with probably a very simple solution).
The loop is supposed to take the value of string snp
from ldpred
and find the same string in dosage
and then provide the specific row from dosage
. Then it is supposed to use the values of two other columns in ldpred
and compare them with the corresponding columns in dosage
. If the values match then it is supposed to out 1 in a new column. If they match but are in opposite columns, it it supposed to output -1. And that is all fine.
However, the tricky part is that it also is supposed to then switch the values of ldpred
to different values and then repeat the same check as above.
If all of that doesn't return 1 or -1 (I.e. the values just don't match for whatever reason) then it is supposed to return 0.
EDIT upon request containing examples of my data and output:
Dosage:
...ANSWER
Answered 2018-Oct-18 at 15:51I think in hindsight this was the wrong forum to ask such a specific question which essentially was related to debugging.
For posterity: I have determined the answer to my own question was in fact because the data files were of different sizes. So eventually the genotype
variable ended up being a null value and when that was input to the first stage of the if
loop it then was outputting a "missing values" error.
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